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1
Duerig, Oliver. "Fisher-Effekt." St. Gallen, 2006. http://www.biblio.unisg.ch/org/biblio/edoc.nsf/wwwDisplayIdentifier/03604451001/$FILE/03604451001.pdf.
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Mika, Sebastian. "Kernel Fisher discriminats." [S.l.] : [s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=967125413.
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Moore, Ashley N. "Fisher of Men." ScholarWorks@UNO, 2011. http://scholarworks.uno.edu/td/1408.
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Fisher of Men tells the story of an ancient and secretive group of supernatural balance keepers. When God goes missing, it is up to them to locate him before the armies of Heaven and Hell lay siege to the earth, but they have their own problems. When knowledge of a secret weapon surfaces, they are tasked to find it and destroy it before it falls into the hands of either side. The secret weapon is Charitie Newman, a young woman from rural Indiana who moved to New Orleans with her sister. Charitie has special abilities that have no limits, and after her sister is brutally murdered, she agrees to join forces with the group in order to find God--and her sister's murderer.
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Pomerenk, Julia Anne. "Hemingway's Fisher Kings." The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu1412941982.
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Chan, Milanda. "Searching for Irving Fisher, unit-roots, trend breaks, and the Fisher hypothesis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ64904.pdf.
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Marliere, Christine. "Le synrome de fisher." Amiens, 1989. http://www.theses.fr/1989AMIEM058.
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Lee, Yew-Haur Jr. "Fisher Information Test of Normality." Diss., Virginia Tech, 1998. http://hdl.handle.net/10919/30725.
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An extremal property of normal distributions is that they have the smallest Fisher Information for location among all distributions with the same variance. A new test of normality proposed by Terrell (1995) utilizes the above property by finding that density of maximum likelihood constrained on having the expected Fisher Information under normality based on the sample variance. The test statistic is then constructed as a ratio of the resulting likelihood against that of normality.
Since the asymptotic distribution of this test statistic is not available, the critical values for n = 3 to 200 have been obtained by simulation and smoothed using polynomials. An extensive power study shows that the test has superior power against distributions that are symmetric and leptokurtic (long-tailed). Another advantage of the test over existing ones is the direct depiction of any deviation from normality in the form of a density estimate. This is evident when the test is applied to several real data sets.
Testing of normality in residuals is also investigated. Various approaches in dealing with residuals being possibly heteroscedastic and correlated suffer from a loss of power. The approach with the fewest undesirable features is to use the Ordinary Least Squares (OLS) residuals in place of independent observations. From simulations, it is shown that one has to be careful about the levels of the normality tests and also in generalizing the results.Ph. D.
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ROUSSEL, ERIC-ALAIN. "Le syndrome de fisher et cole ou hemiparesie a predominance crurale et ataxie homolaterale (fisher et cole, 1965) ou hemiparesie et ataxie ipsilaterale (fisher, 1978)." Amiens, 1988. http://www.theses.fr/1988AMIEM079.
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Allen, Diane F. "MFK Fisher : food and feminist identity /." Fogler Library, University of Maine, 2004. http://www.library.umaine.edu/theses/pdf/AllenDF2004.pdf.
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Porto, Julianna Pinele Santos 1990. "Geometria da informação : métrica de Fisher." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/307256.
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Orientador: João Eloir StrapassonDissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Matemática Estatística e Computação Científica
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Resumo: A Geometria da Informação é uma área da matemática que utiliza ferramentas geométricas no estudo de modelos estatísticos. Em 1945, Rao introduziu uma métrica Riemanniana no espaço das distribuições de probabilidade usando a matriz de informação, dada por Ronald Fisher em 1921. Com a métrica associada a essa matriz, define-se uma distância entre duas distribuições de probabilidade (distância de Rao), geodésicas, curvaturas e outras propriedades do espaço. Desde então muitos autores veem estudando esse assunto, que está naturalmente ligado a diversas aplicações como, por exemplo, inferência estatística, processos estocásticos, teoria da informação e distorção de imagens. Neste trabalho damos uma breve introdução à geometria diferencial e Riemanniana e fazemos uma coletânea de alguns resultados obtidos na área de Geometria da Informação. Mostramos a distância de Rao entre algumas distribuições de probabilidade e damos uma atenção especial ao estudo da distância no espaço formado por distribuições Normais Multivariadas. Neste espaço, como ainda não é conhecida uma fórmula fechada para a distância e nem para a curva geodésica, damos ênfase ao cálculo de limitantes para a distância de Rao. Conseguimos melhorar, em alguns casos, o limitante superior dado por Calvo e Oller em 1990
Abstract: Information Geometry is an area of mathematics that uses geometric tools in the study of statistical models. In 1945, Rao introduced a Riemannian metric on the space of the probability distributions using the information matrix provided by Ronald Fisher in 1921. With the metric associated with this matrix, we define a distance between two probability distributions (Rao's distance), geodesics, curvatures and other properties. Since then, many authors have been studying this subject, which is associated with various applications, such as: statistical inference, stochastic processes, information theory, and image distortion. In this work we provide a brief introduction to Differential and Riemannian Geometry and a survey of some results obtained in Information Geometry. We show Rao's distance between some probability distributions, with special atention to the study of such distance in the space of multivariate normal distributions. In this space, since closed forms for the distance and for the geodesic curve are not known yet, we focus on the calculus of bounds for Rao's distance. In some cases, we improve the upper bound provided by Calvo and Oller in 1990
Mestrado
Matematica Aplicada
Mestra em Matemática Aplicada
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Wannenburg, Nicola. "A psychobiographical study of Antwone Fisher." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1012939.
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Psychobiographical researchers methodically formulate life histories and interpret them by means of psychological theories. The research typically focuses on exemplary and completed lives. The cases that are studied are usually of individuals who are of particular interest to society as a result of excelling in their particular fields, be they to society’s benefit or detriment. Antwone Fisher was chosen for this study using purposive sampling as he meets the psychobiographical requirement of being an extraordinary individual. Fisher grew up in the Foster Care System and faced many abusive experiences as child. Despite difficult beginnings, Fisher developed into a stable and creative adult who excels as a poet, screenwriter and film director. The primary aim of this study is to describe and interpret the life of Antwone Fisher through Erikson’s theory of psychosocial development. The data was processed and analysed using Miles and Hubermans’ general view of qualitative analyses as well as Alexander’s method of asking the data questions. This study contributes to the development of psychobiographical research in South Africa as well as to personality and developmental theory.
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Dell'Anna, Federico. "Quantum Fisher Information for bilinear-biquadratic model." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/20522/.
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In this thesis we show how the Quantum Fisher Information is effective to detect the multipartite structure of entanglement in the topological phases for a certain spin-1 system: the bilinear-biquadratic model. We provide the analytical form of QFI by using string operators. In particular we are interested in the shape of the density of QFI (f) because it provides directly a measure of entanglement for the ground state of a system. Indeed, performing numerical calculations moving from the Haldane phase to the dimer one, we really find a different behavior of f also in the phase transition point. Furthermore we confirm that valence-bound picture is the exact representation for the ground state of AKLT point where the entanglement is maximum while it can be considered a good approximation for the dimer phase.
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Pötzelberger, Klaus, and Klaus Felsenstein. "On the Fisher Information of Discretized Data." Department of Statistics and Mathematics, WU Vienna University of Economics and Business, 1991. http://epub.wu.ac.at/1700/1/document.pdf.
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In this paper we study the loss of Fisher information in approximating a continous distribution by a multinominal distribution coming from a partition of the sample space into a finite number of intervals. We describe and characterize the Fisher information as a function of the partition chosen especially for location parameters. For a small number of intervals the consequences of the choice is demonstrated by instructive examples. For increasing number of individuals we give the asymptotically optimal partition. (author's abstract)Series: Forschungsberichte / Institut für Statistik
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Young, Paul. "The Tully-Fisher relation in nearby clusters." Thesis, Durham University, 1996. http://etheses.dur.ac.uk/5097/.
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In this thesis are presented the Tully-Fisher (TF) relations for a sample of 99 galaxies within the four nearby dusters; Coma, Abell 2199. Abell 2634 and Abell 194. Each cluster was compromised of two samples. The first sample was drawn from either Zwicky or UGC catalogues based on a combination of magnitude, type and ellipticity. These provided spiral duster member candidates over the entire duster region to a magnitude limit of 16 in the b-band. The second sample was selected from published photographic plate scans of the central areas of each duster. This sample had a fainter magnitude limit of 18 b-band mags but covered a much smaller area (approx. 2ºx2º). The galaxies were observed over two observing runs in May and August of 1993 on the JKT and INT Isaac Newton Group Telescopes simultaneously. I-band CCD images and optical long-slit spectra were taken of 65% of the sdected objects. Isophotal ellipse fitting of the images was used to produce surface brightness profiles. From these, isophotal magnitudes and diameters woe extracted. From, consideration of the surface brightness, ellipticity and position angle a "disk region" of each profile was selected and used to calculate extrapolated total magnitudes. Gaussian fitting of Ha emission lines of the long-split spectra produced optical rotation curves for each galaxy. Maximum rotation velocities were calculated from these curves. Corrections found in the literature were applied to the total magnitude and rotation velocity of each galaxy. These compensated for internal dust extinction and the inclination of the disk to the line-of sight. Numerical simulations of the fitting procedures demonstrated that an inverse regression of log-rotation velocity on magnitude provided a fit tothe relationship free from selection bias. Residuals around this fit woe used to choose forms of the corrections that produced the minimum scatter. A fullerror budget was compiled and an error weighted fit to the data yielded relationships with a mean scatter of 0.35 mags rms. A combination of all sources of measurement error, considering inter-correlation, produced a value of 027 mags rms, as an estimate of the contribution to the scatter. It was shown that uncertain cluster membership was not a significant source of scatter. In addition, the "expanding duster" model correction suggested in the literature did not significantly reduce the scatter. The most important source of scatter in the relationship was found to be the symmetry and extent of rotation curves used. A significant correlation was shown to exist between rotation curve extent in terms of disk scale lengths and the TF fit residuals. When only the highest quality data were used, the typical scatter was reduced to 020 mags rms. Consideration of the remaining measurement errors produced an upper limit of 0.12 mags rms for the intrinsic scatter within the TF relation. Monte-Carlo modelling indicated that the observed difference in TF slope between the Coma and Abell 2634 samples was significant, The possibility that this difference is the result of systematic errors in the dataset was ruled out It is concluded that the change in gradients is due to real variations in the underlying slope influenced by differences in duster environment.
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Parr, Bouberima Wafia. "Modèles de mélange de von Mises-Fisher." Phd thesis, Université René Descartes - Paris V, 2013. http://tel.archives-ouvertes.fr/tel-00987196.
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Dans la vie actuelle, les données directionnelles sont présentes dans la majorité des domaines, sous plusieurs formes, différents aspects et de grandes tailles/dimensions, d'où le besoin de méthodes d'étude efficaces des problématiques posées dans ce domaine. Pour aborder le problème de la classification automatique, l'approche probabiliste est devenue une approche classique, reposant sur l'idée simple : étant donné que les g classes sont différentes entre elles, on suppose que chacune suit une loi de probabilité connue, dont les paramètres sont en général différents d'une classe à une autre; on parle alors de modèle de mélange de lois de probabilités. Sous cette hypothèse, les données initiales sont considérées comme un échantillon d'une variable aléatoire d-dimensionnelle dont la densité est un mélange de g distributions de probabilités spécifiques à chaque classe. Dans cette thèse nous nous sommes intéressés à la classification automatique de données directionnelles, en utilisant des méthodes de classification les mieux adaptées sous deux approches: géométrique et probabiliste. Dans la première, en explorant et comparant des algorithmes de type kmeans; dans la seconde, en s'attaquant directement à l'estimation des paramètres à partir desquels se déduit une partition à travers la maximisation de la log-vraisemblance, représentée par l'algorithme EM. Pour cette dernière approche, nous avons repris le modèle de mélange de distributions de von Mises-Fisher, nous avons proposé des variantes de l'algorithme EMvMF, soit CEMvMF, le SEMvMF et le SAEMvMF, dans le même contexte, nous avons traité le problème de recherche du nombre de composants et le choix du modèle de mélange, ceci en utilisant quelques critères d'information : Bic, Aic, Aic3, Aic4, Aicc, Aicu, Caic, Clc, Icl-Bic, Ll, Icl, Awe. Nous terminons notre étude par une comparaison du modèle vMF avec un modèle exponentiel plus simple ; à l'origine ce modèle part du principe que l'ensemble des données est distribué sur une hypersphère de rayon ρ prédéfini, supérieur ou égal à un. Nous proposons une amélioration du modèle exponentiel qui sera basé sur une étape estimation du rayon ρ au cours de l'algorithme NEM. Ceci nous a permis dans la plupart de nos applications de trouver de meilleurs résultats; en proposant de nouvelles variantes de l'algorithme NEM qui sont le NEMρ , NCEMρ et le NSEMρ. L'expérimentation des algorithmes proposés dans ce travail a été faite sur une variété de données textuelles, de données génétiques et de données simulées suivant le modèle de von Mises-Fisher (vMF). Ces applications nous ont permis une meilleure compréhension des différentes approches étudiées le long de cette thèse.
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Parr, Bouberima Wafia. "Modèles de mélange de von Mises-Fisher." Electronic Thesis or Diss., Paris 5, 2013. http://www.theses.fr/2013PA05S028.
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Dans la vie actuelle, les données directionnelles sont présentes dans la majorité des domaines, sous plusieurs formes, différents aspects et de grandes tailles/dimensions, d'où le besoin de méthodes d'étude efficaces des problématiques posées dans ce domaine. Pour aborder le problème de la classification automatique, l'approche probabiliste est devenue une approche classique, reposant sur l'idée simple : étant donné que les g classes sont différentes entre elles, on suppose que chacune suit une loi de probabilité connue, dont les paramètres sont en général différents d'une classe à une autre; on parle alors de modèle de mélange de lois de probabilités. Sous cette hypothèse, les données initiales sont considérées comme un échantillon d'une variable aléatoire d-dimensionnelle dont la densité est un mélange de g distributions de probabilités spécifiques à chaque classe. Dans cette thèse nous nous sommes intéressés à la classification automatique de données directionnelles, en utilisant des méthodes de classification les mieux adaptées sous deux approches: géométrique et probabiliste. Dans la première, en explorant et comparant des algorithmes de type kmeans; dans la seconde, en s'attaquant directement à l'estimation des paramètres à partir desquels se déduit une partition à travers la maximisation de la log-vraisemblance, représentée par l'algorithme EM. Pour cette dernière approche, nous avons repris le modèle de mélange de distributions de von Mises-Fisher, nous avons proposé des variantes de l'algorithme EMvMF, soit CEMvMF, le SEMvMF et le SAEMvMF, dans le même contexte, nous avons traité le problème de recherche du nombre de composants et le choix du modèle de mélange, ceci en utilisant quelques critères d'information : Bic, Aic, Aic3, Aic4, Aicc, Aicu, Caic, Clc, Icl-Bic, Ll, Icl, Awe. Nous terminons notre étude par une comparaison du modèle vMF avec un modèle exponentiel plus simple ; à l'origine ce modèle part du principe que l'ensemble des données est distribué sur une hypersphère de rayon ρ prédéfini, supérieur ou égal à un. Nous proposons une amélioration du modèle exponentiel qui sera basé sur une étape estimation du rayon ρ au cours de l'algorithme NEM. Ceci nous a permis dans la plupart de nos applications de trouver de meilleurs résultats; en proposant de nouvelles variantes de l'algorithme NEM qui sont le NEMρ , NCEMρ et le NSEMρ. L'expérimentation des algorithmes proposés dans ce travail a été faite sur une variété de données textuelles, de données génétiques et de données simulées suivant le modèle de von Mises-Fisher (vMF). Ces applications nous ont permis une meilleure compréhension des différentes approches étudiées le long de cette thèseIn contemporary life directional data are present in most areas, in several forms, aspects and large sizes / dimensions; hence the need for effective methods of studying the existing problems in these fields. To solve the problem of clustering, the probabilistic approach has become a classic approach, based on the simple idea: since the g classes are different from each other, it is assumed that each class follows a distribution of probability, whose parameters are generally different from one class to another. We are concerned here with mixture modelling. Under this assumption, the initial data are considered as a sample of a d-dimensional random variable whose density is a mixture of g distributions of probability where each one is specific to a class. In this thesis we are interested in the clustering of directional data that has been treated using known classification methods which are the most appropriate for this case. In which both approaches the geometric and the probabilistic one have been considered. In the first, some kmeans like algorithms have been explored and considered. In the second, by directly handling the estimation of parameters from which is deduced the partition maximizing the log-likelihood, this approach is represented by the EM algorithm. For the latter approach, model mixtures of distributions of von Mises-Fisher have been used, proposing variants of the EM algorithm: EMvMF, the CEMvMF, the SEMvMF and the SAEMvMF. In the same context, the problem of finding the number of the components in the mixture and the choice of the model, using some information criteria {Bic, Aic, Aic3, Aic4, AICC, AICU, CAIC, Clc, Icl-Bic, LI, Icl, Awe} have been discussed. The study concludes with a comparison of the used vMF model with a simpler exponential model. In the latter, it is assumed that all data are distributed on a hypersphere of a predetermined radius greater than one, instead of a unit hypersphere in the case of the vMF model. An improvement of this method based on the estimation step of the radius in the algorithm NEMρ has been proposed: this allowed us in most of our applications to find the best partitions; we have developed also the NCEMρ and NSEMρ algorithms. The algorithms proposed in this work were performed on a variety of textual data, genetic data and simulated data according to the vMF model; these applications gave us a better understanding of the different studied approaches throughout this thesis
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Bojcevski, David. "Metallurgical characterisation of George Fisher mesotextures and microtextures /." [St. Lucia, Qld.], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18152.pdf.
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Rex, Richard Andrew William. "Christianae fidei corroboratio : the theology of John Fisher." Thesis, University of Cambridge, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303216.
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Stathakopoulos, Michael. "Fat animals and fisher zeros on random graphs." Thesis, Heriot-Watt University, 2001. http://hdl.handle.net/10399/500.
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Al-Saffar, Avan. "Using Fisher information approach in nonlinear dynamical systems." Thesis, University of Sheffield, 2018. http://etheses.whiterose.ac.uk/20738/.
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The aim of this thesis is to investigate nonlinear dynamical systems that exist in various fields such as engineering and science. Nonlinear dynamical systems permit the understanding and development of models of simple and complex phenomena. Specifically, this thesis includes an investigation of the following systems; the logistic model, the Gompertz model, predator-prey model, and three species model. In addition, we perform a comparison between the two most popular growth models; logistic and Gompertz models from the viewpoint of variability. The main focus is on the use of Fisher information as a measure of variability/sustainability which depends on the gradient of Probability Density Function (PDF). In this work, we present two case studies for each dynamical system. The first case study describes the analysis of these systems in their deterministic conditions whereas the second one presents the investigation of these systems in their indeterministic conditions (perturbed conditions), where the model parameters involve perturbations, elucidating the effects of these perturbations on the behaviour of the system. The variation in the model parameter values is considered in order to observe the behaviour of the different dynamical systems and detect dynamical changes in the behaviour of each species. Since Fisher information is considered as a measure of an intrinsic accuracy of the dynamical systems, therefore, we obtain Fisher information for different values of parameters in order to select the optimal parameter value where a peak of Fisher information is observed, which indicates to less variability in the behaviour of the system. Thus, the existence of Fisher information peak which linked to the narrowest PDF is investigated in the frame of time trace analysis. In summary, the main contribution of this work to the field is to assess the significance of Fisher information index for nonlinear dynamical systems including perturbations in the model parameters. Applying this measure to more complicated systems and comparing the results to other widely used measures would be of interest for future work.
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Diaz, Consul Celeste Maria. "Auxilios a interpretação na analise discriminante de Fisher." [s.n.], 2000. http://repositorio.unicamp.br/jspui/handle/REPOSIP/306412.
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Orientador: Regina C. C. P. MoranDissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Matematica, Estatistica e Computação Cientifica
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Resumo: Cada vez mais a análise multivariada é empregada para resolver problemas nas ciências biológicas, a indústria, estudos demográficos, etc. A análise discriminante de Fisher é uma das técnicas mais usadas quando se trata de dados com estrutura de grupo. A interpretação dos coeficientes nas funções lineares discriminantes de Fisher apresenta especificidades adicionais em relação, por exemplo, à técnica de componentes principais, A razão para estas é a presença das fontes de variação entre grupos e dentro dos grupos, levando a mais de uma métrica e portanto mais de uma padronização. Neste trabalho os coeficientes da função linear discriminante de Fisher são estudados através de diferentes configurações para estruturas de grupo. Desta forma, através de estruturas conhecidas, foi possível focalizar as relações das estruturas com os coeficientes; conseqüentemente mais clareza para a partir dos coeficientes inferir possíveis estruturas de grupo. Também construímos, como auxílio à interpretação, os círculos de correlação para a análise discriminante de Fisher. Estes permitem inferir a direção e magnitude das contribuições das variáveis na separação dos grupos, bem como recuperar as direções e magnitudes relativamente ã estrutura de variabilidade dentro dos grupos. Foi desenvolvido o uso de pontos suplementares na análise discriminante de Fisher, recurso que se tem mostrado muito importante quando se quer estudar indivíduos que não participem dos critérios de agrupamento iniciais dos dados. Finalmente, uma aplicação ilustra todo o desenvolvimento metodológico deste trabalho e um roteiro para auxiliar na interpretação foi produzido
Abstract: Multivariable analysis is increasingly being used to solve problems in biological science, in industry, demographic studies, etc. The Fisher's discriminant analysis is one of the more frequently used techniques for analysis of data with group structure. The interpretation of the coefficients in the Fisher's discriminant linear functions present additional specifications in relation, for example, to the technique of principal components. The reason for these is the presence of sources of variation between and inside the groups. Resulting in more than one metric and therefore more than one standardization. In this work the coefficients of Fisher's discriminant linear function are studied through the different configurations for the structures of the group. In this way, through known structures, it was possible to focus on the relations of the structures with the coefficients; consequently making it easier to infer possible structures of the group from the coefficients. As an aid to this interpretation the correlation circles for Fisher's discriminant analysis were constructed. These allow us to infer the direction and the magnitude of the contributions of variables in group separation, as well as to recover the directions and magnitudes relatively to the variability structure inside the groups. The use of supplementary points in the Fisher's discriminant analysis was developed, a resource that has been shown to be very important when we want to study individuals that do not participate of the initial grouping criteria of the data. Finally, an application illustrates all the methodological development of this work and a guide to help with the interpretation was produced
Mestrado
Mestre em Estatística
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Васильєв, Костянтин Костянтинович, Константин Константинович Васильев, and Kostiantyn Kostiantynovych Vasyliev. "Биографический словарь выдающихся врачей I. Fisher - P. Voswinckel." Thesis, Издательство СумГУ, 2005. http://essuir.sumdu.edu.ua/handle/123456789/24686.
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Arvidsson, Mattias. "An empirical examination of the Fisher hypothesis in Sweden." Thesis, Örebro universitet, Handelshögskolan vid Örebro Universitet, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-25883.
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Pascaline, Géraldine. "Convergence de Fisher et H-différentiabilité des applications multivoques." Thesis, Antilles-Guyane, 2011. http://www.theses.fr/2011AGUY0490/document.
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Dans cette thèse nous présentons dans un premier temps une nouvelle notion de différentiabilité généralisée pour les applications multivoques, faisant intervenir des applications positivement homogènes: la H-différentiabilité. Nous étudions la stabilité de cette notion en utilisant la convergence de Fischer, d'abord dédiée aux ensembles mais que nous avons adaptée aux applications multivoques. Nous nous intéressons ensuite à l'étude de la dépendance continue des ensembles de points fixes d'une application multivoque contractante par rapport aux données. Finalement nous analysons la convergence d'une méthode d'approximations successives de type forward-backward splitting, des zéros de la somme de deux opérateurs multivoques non monotones, jouissants notamment de propriétés de pseudo H-différentiabilitéIn this thesis we present at first a new concept of generalized differentiation for setvalued mappings, involving positively homogeneous applications: the H-differentiability. We study the stability of this notion by using Fischer convergence,firstly dedicated to sets but which we have adapted to set-valued mappings. We establish the continuous dependence of fixed points sets of set-valued contraction and finally we study the convergence of a forward-backward splitting method for approximating the zeros of the sum of two non-monotone set-valued mappings, notably using properties of pseudo H-differentiability
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Williams, Ruth. "Changing constructions of identity : fisher households and industry restructuring." Thesis, University of Newcastle Upon Tyne, 2008. http://hdl.handle.net/10443/2040.
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Fishing as an occupation provides more than a way of earning a living. Its traditions, structures and dynamics influence all aspects of the lives of individuals and households, and provide the basis for individual and collective identities. This research focuses on northeast Scotland, where communities have developed along this stretch of coast because of their relationship with the fishing industry. However, the industry is undergoing extensive restructuring, driven by fisheries management and policy responses to ecological problems in key stocks. This restructuring is bringing about major changes for the industry, and although the policies driving reform recognise there are socio-cultural implications, understandings of these impacts are underdeveloped. This research draws on theories of identity to conceptualise the socio-cultural foundations of the fishing industry. In-depth interviews with fishermen, former fishermen and their wives provide a rich source of data to explore the construction and performance of identity. This research demonstrates how three domains of fishing, the sea, household and community, are central spaces for fishing identity. In these spaces traditional symbols of fishing are used to create and maintain a shared understanding of the industry and collective identity. The changes brought about by the restructuring of the industry present challenges to these traditional constructions of identity and are undermining key symbols, such as maintaining a close-knit crew. The past is used as a resource to understand these present challenges, and in many cases positive fishing identities are being maintained. However there is a sense that fishing no longer occupies its central position within northeast Scotland; instead it has become a community within a community.
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Smith, Stephanie Deborah Ladd. "A contextual study of singing in the Fisher family." Thesis, University of Edinburgh, 1988. http://hdl.handle.net/1842/8230.
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This ethnographic study of a Scottish singing family, the Fishers of Glasgow, is based largely on fieldwork conducted over a period of three years. The Fishers were chosen because of their early involvement in, and their enormous influence on, the Scottish folk revival, which dates from the 1950s. Three members of the Fisher Family, Archie, Ray, and Cilia, sing professionally, and perform both traditional folksongs and contemporary material. This study focuses on them, although commentary about and from other family members is also included. In Chapter 2, I present a biography of the family, which is a patchwork of oral accounts by family members. Their biography leads us back to the islands of Vatersay and Barra, and the island traditions have obviously shaped the family ethos, even though they are an urban family. Chapter 3 is in part an oral history of the folk revival in Scotland, and the emergence of Archie and Ray Fisher as performers in the revival, as well as an analysis of important musical personalities and currents which had an impact on the revival, and particularly on Archie and Ray Fisher. Chapter 4 examines the professional careers of Archie, Ray, and Cilia, as well as the involvement of sisters Joyce, Cindy, and Audrey in the revival. The repertoire of the Fishers is examined in Chapter 5, with reference to the patterns of repertoire in the Scottish folk revival, and traditional sources. The way in which Archie, Ray, and Cilia categorize their songs is considered. Their categories, such as "heavy songs" and "light songs" tend to reflect the emotive impact of a song in performance, rather than structure. The problem of song "ownership" and repertoire within a family is also dealt with here. Chapter 6 focuses on the "aesthetic systems" of Archie, Ray, and Cilia, considering the following components: attraction to and selection of songs for learning; relative importance of tune and text; preferred song content; degree of emotional identification with songs; suitability of voice for a particular song; singing style; vocal range; the choice to accompany or not; the desired impact of the singer on the audience; the performing venue; and self-imposed expectations. The Fishers' aesthetic systems are also compared with those of other singers, both traditional and revival. In Chapter 7, I discuss the functions of songs in the Fishers' public performances, and analyse transcribed performance extracts of Archie, Ray, and Cilia (performing with her husband Artie). The spoken portion of the performances is seen as a significant and integral part of the performance as a communicative event. Analysis focuses on the structure of the performance, how the performance reflects the individual aesthetic system, and what levels of meaning may be derived from the performance. In Chapter 8, I conclude with a brief summary, and assess the place of the Fishers in the Scottish folk revival. Other data on the Fisher family, such as repertoire lists, a discography, and transcribed performance extracts may be found in the Appendices.
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Herbert, Geoffrey M. "Stability analysis of the Fisher and Landau-Ginzburg equations." Thesis, University of Warwick, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.307124.
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Marques, dos Santos Miguel LuiÌs Simões. "Models of the Fisher process based on reproductive value." Thesis, University of Bristol, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.411112.
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SILVA, MATHEUS DE BARROS SANTA LUCCI E. "DEMOGRAPHICS AND THE FISHER EFFECT IN THE NINETEENTH CENTURY." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2017. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=31805@1.
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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIROCOORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR
PROGRAMA DE EXCELENCIA ACADEMICA
Há pouca resposta das taxas nominais de juros ao movimentos da inflação na segunda metade do Século XIX, enquanto a equação de Fisher prevê uma relação de um para um da taxa nominal de juros à inflação. A maior parte das respostas a essa observação dependem, de algum jeito, de argumentos sobre a irracionalidade dos agentes econômicos (Fisher (1906), Friedman e Schwartz (1982), Summers (1983) e Barsky e De Long (1991), por exemplo), ou argumentam que os dados desse período são falhos (Perez e Siegler (2003)). Nessa dissertação, eu argumento que a taxa de juros nominal não aumentou o quanto deveria não por irracionalidade dos agentes, mas sim porque a taxa natural de juros abaixou como resposta a uma transição demográfica nesse período, atribuída às melhoras na infraestrutura de saúde pública e a avanços na ciência médica. Eu construo um modelo de gerações imbricadas estilizado com base em Gertler (1999) que captura algumas das principais características da economia americana desse período. Então, calibro-o e conduzo experimentos demográficos para mostrar que o principal argumento de Barsky e De Long (1991) contra o efeito Fisher não prossegue caso se cancelem os efeitos da transição demográfica.
There is little response of nominal interest rates to inflationary movements in the second half of the Nineteenth Century, while the Fisher equation would predict a one-to-one relation between these economic variables. Most of the previous answers to this observation rely on some sort of irrationality argument (Fisher (1906), Friedman and Schwartz (1982), Summers (1983) and Barsky and De Long (1991) are some examples) or state that there are problems in the data used (Perez and Siegler (2003)). In this thesis, I argue that this is not due to agent irrationality, but to the lowering of the equilibrium interest rate level as a response to a demographic transition attributed to advances in medical science and enhancements in sanitation infrastructure. I build an stylized overlapping generations model based on Gertler (1999) that captures the main features of the American Economy during this period, then calibrate it and conduct experiments to show that Barsky and De Long s (1991) strike on the Fisher Effect does not hold when the demographic channel is turned off.
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Ruiz, H. "Fisher networks : a principled approach to retrieval-based classification." Thesis, Liverpool John Moores University, 2013. http://researchonline.ljmu.ac.uk/4371/.
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Espinosa, Descalzo Elizabeth Norma. "Determinación de agua en colodión-Método de Karl Fisher." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 1993. https://hdl.handle.net/20.500.12672/2114.
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En el presente trabajo se propone un método analítico para la determinación de agua en "colodión de acetato"; que es una disolución de acetato de celulosa secundario en acetona, llamado asi en la industria hilandera por BU consistencia y apariencia similar al colodión de nitrocelulosa.
El colodión de acetato constituye un caso problemático del método Klarl Fieher: Las catona a reaccionan con metanol en medio ácido para dar acetalee yagua.
La solución Karl Fisher recomendada es del tipo estabilizada (libre de metanol), determinándose el punto final en forma amperométr!ca por la técnica del punto muerto.Tesis
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Baker, John C. III. "Application of the Fisher Dimer Model to DNA Condensation." VCU Scholars Compass, 2017. http://scholarscompass.vcu.edu/etd/4791.
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This paper considers the statistical mechanics occupation of the edge of a single helix of DNA by simple polymers. Using Fisher's exact closed form solution for dimers on a two-dimensional lattice, a one-dimensional lattice is created mathematically that is occupied by dimers, monomers, and holes. The free energy, entropy, average occupation, and total charge on the lattice are found through the usual statistical methods. The results demonstrate the charge inversion required for a DNA helix to undergo DNA condensation.
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Ljung-Baruth, Annika. "A steady flameless light : the phenomenology of realness in Dorothy Canfield Fisher's "The Brimming cup", "Her Son's wife" and "Rough-Hewn /." Doctoral thesis, Stockholm : Almqvist & Wiksell International, 2002. http://catalogue.bnf.fr/ark:/12148/cb39265638r.
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Abernethy, Kirsten. "Fishing for what? : understanding fisher decision-making in southwest England." Thesis, University of East Anglia, 2010. https://ueaeprints.uea.ac.uk/34629/.
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Davies, Ceri Rees. "The Taylor principle and the Fisher relation in general equilibrium." Thesis, Cardiff University, 2013. http://orca.cf.ac.uk/57432/.
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This thesis presents a structural framework which accounts for two key empirical phenomena in monetary economics: the ‘Taylor principle’ and the ‘Fisher relation’. The former suggests that there exists a greater-than-proportional relationship between the nominal interest rate and inflation in the short-run and the latter implies that a one-for-one relationship holds at lower frequencies. Although these relationships do feature in the ubiquitous, ‘cashless’ New Keynesian framework, it has been suggested that monetary variables are required in order to render this model ‘complete’ (e.g. Nelson, 2008a). Chapter-I demonstrates that an ‘implicit’ interest rate rule can be derived as a general equilibrium condition of models in which the central bank adheres to a money growth rule. Chapter-II compares the equilibrium condition of a standard cash-in-advance model to the interest rate rule of Taylor (1993) for a post-war sample of U.S. data. However, we demonstrate that in order to replicate the Taylor principle, the underlying model must be generalised to allow the velocity of money to vary. We use the model of Benk et al. (2008, 2010) to do so and show analytically that the resulting ‘implicit rule’ features the requisite greater-than-proportional relationship. Chapter-III applies standard econometric techniques to simulated data obtained from the Benk et al. model and the estimates obtained offer support for this theoretical prediction. Chapter-IV establishes that the Fisher relation emerges when low frequency trends in the simulated data are retained and under a related ‘long-run’ implicit rule. Chapter-IV also considers the post-war sample of U.S. data analysed in Chapter-II. While disparate empirical literatures have obtained evidence for both the Taylor principle and the Fisher relation, we show that these results can be obtained from a unified theoretical framework. Several restricted empirical specifications further suggest that standard interest rate rules which omit monetary variables might provide biased coefficient estimates.
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Sabbaghi, Arman. "Dilemmas in Design: From Neyman and Fisher to 3D Printing." Thesis, Harvard University, 2014. http://dissertations.umi.com/gsas.harvard:11367.
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Salcin, Esen, and Esen Salcin. "Fisher Information in X-ray/Gamma-ray Imaging Instrumentation Design." Diss., The University of Arizona, 2015. http://hdl.handle.net/10150/556861.
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Signal formation in a photon-counting x-ray/gamma-ray imaging detector is a complex process resulting in detector signals governed by multiple random effects. Recovering maximum possible information about event attributes of interest requires a systematic collection of calibration data and analysis provided by estimation theory. In this context, a likelihood model provides a description of the connection between the observed signals and the event attributes. A quantitative measure of how well the measured signals can be used to produce an estimate of the parameters is given by Fisher Information analysis. In this work, we demonstrate several applications of the Fisher Information Matrix (FIM) as a powerful and practical tool for investigating and optimizing potential next-generation x-ray/gamma-ray detector designs, with an emphasis on medical-imaging applications. Using FIM as a design tool means to explore the physical detector design choices that have a relationship with the FIM through the likelihood function, how are they interrelated, and determining whether it is possible to modify any of these choices to yield or retain higher values for Fisher Information. We begin by testing these ideas by investigating a new type of a semiconductor detector, a Cadmium Telluride (CdTe) detector with double-sided-strip geometry developed by our collaborators at the Japan Aerospace Exploration Agency (JAXA). The statistical properties of the detector signals as a function of interaction positions in 3D (x, y, z) are presented with mathematical expressions as well as experimental data from measurements using synchrotron radiation at the Advanced Photon Source at Argonne National Laboratory. We show the computation of FIM for evaluating positioning performance and discuss how various detector parameters, that are identified to affect FIM, can be used in detector optimization. Next, we show the application of FIM analysis in a detector system based on multi-anode photomultiplier tubes coupled to a monolithic scintillator in the design of smart electronic read-out strategies. We conclude by arguing that a detector system is expected to perform the best when the hardware is optimized jointly with the estimation algorithm (simply referred to as the "software" in this context) that will be used with it. The results of this work lead to the idea of a detector development approach where the detector hardware platform is developed concurrently with the software and firmware in order to achieve optimal performance.
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Ortega, San Martín Luis. "“Inorganic Chemistry”, by G. L. Miessler, P.J. Fisher, D. Tarr." Revista de Química, 2014. http://repositorio.pucp.edu.pe/index/handle/123456789/99095.
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Repaso de algunos de los aspectos más destacados e interesantes de la quinta edición del libro de texto de Química Inorgánica escrito por G. L. Miessler, P.J. Fisher y D. Tarr. Editorial Pearson, New Jersey, 2014. 682 páginas. ISBN: 978-0321811059Short review of the most important and interesting sections of the 5th edition of the inorganic chemistry textbook written by G. L. Miessler, P.J. Fisher and D. Tarr. Published by Pearson, New Jersey, 2014. 682 pages. ISBN: 978-0321811059
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Tra-Lou, Tesan Monique. "Mythe et fiction : Rudolph FISHER, Nella LARSEN et Toni MORRISON." Paris 7, 2002. http://www.theses.fr/2002PA070031.
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Cette étude porte sur les modalités de l'écriture dans six romans de trois auteurs africains-américains : "The Walls of Jericho " et "The Conjure Man Dies" de Rudolph Fisher ; "Quicksand" et "Passing" de Nella Larsen ; "Beloved" et "Paradise" de Toni Morrison. L'analyse s'attache, grâce au mythe comme stratégie de signification narrative, à révéler les aspects multiples de récits qui font simultanément appel aux techniques de la prose, de la poésie, des arts plastiques et arts du spectacle. Des personnages à la structure du texte, le mythe sert ainsi l'objet d'une quête qui vise à rendre la lecture plus agréable à l'oeil et à l'oreille. Cette voie demande à être une pensée et en même temps le but d'un mouvement : la création. Une création où la mélancolie qui est la vraie sensation du temps est garante de joie ou de colère susceptibles d'entraîner l'écriture de la prose vers la poésie, le théâtre, la sculpture, la peinture et la musique. Cette tendance du texte conjoint formes et pratiques religieuses africaines adaptées à l'univers de la diaspora noire des Amériques. On assiste ainsi à un brouillage des repères traditionnels du roman où les niveaux de temporalité incitent, grâce au mythe, à proposer une théorie du temps linéaire et à la fois cyclique : retour à l'origine ou dilatation du présent dont les fragments sont arrachés à l'époque "Harlem Renaissance ou Black Arts"This study focuses on the styles of three African-American authors through six novels: Rudolph Fisher's "The Walls of Jericho" and "The Conjure Man Dies", Nella Larsen's "Quicksand" and "Passing", Toni Morrison's "Beloved" and "Paradise". Using the myth functioning, the analysis seeks to highlight the many layers of narratives which blend poetry and visual and performance arts techniques with the prose. The characters and the plots thus create the conditions for a quest of a more vivid performing story. This tend to be both a way of thinking and a creative movement. Bitterness and happiness which are the basic emotions in life remain a way to drive the discurse from prose to the stage, on painting, carving, music and poetry fields. African religious practices are thus adjusted to the American black diasporic world. .
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Tvaranaviciute, Iveta. "Fisher Inference and Local Average Treatment Effect: A Simulation study." Thesis, Uppsala universitet, Statistiska institutionen, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-412989.
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This thesis studies inference to the complier treatment effect denoted LATE. The standard approach is to base the inference on the two-stage least squares (2SLS) estimator and asymptotic Neyman inference, i.e., the t-test. The paper suggests a Fisher Randomization Test based on the t-test statistic as an alternative to the Neyman inference. Based on the setup with a randomized experiment with noncompliance, for which one can identify the LATE, I compare the two approaches in a Monte Carlo (MC) simulations. The results from the MC simulation is that the Fisher randomization test is not a valid alternative to the Neyman’s test as it has too low power.
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Williams, Wendy L. "A near infrared Tully-Fisher survey behind the Galactic plane." Master's thesis, University of Cape Town, 2011. http://hdl.handle.net/11427/13513.
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This thesis presents a first look at the directly measured peculiar velocity low field within the Southern Zone of Avoidance. Large peculiar velocity surveys are hampered by the low detection rates and poor data quality of galaxies in the Zone of Avoidance (ZoA) where the obscuring effects of dust and stars in the Milky Way prevent the detection of galaxies across 10 - 20% of the sky. Moreover, dynamically significant structures lie hidden behind the Galactic plane. Dedicated surveys have been conducted to unveil the mass distribution within the ZoA. The ZoA peculiar velocity survey presented here makes use of deep systematic Hi survey data, new high resolution Hi observations and new deep near infrared (NIR) observations to provide high fidelity measurements for use with the NIR Tully-Fisher relation. Hi observations reveal galaxies where both optical and NIR surveys fail. The HIZOA deep Hi survey conducted at the 64m Parkes telescope revealed ~ 1 000 galaxies in the southern ZoA (Henning et al. 2005, Donley et al. 2005, Shafi 2008) . Accurate Hi linewidths are required for the measurement of Tully-Fisher distances. The fidelity of the Hi linewidths depends both on the velocity resolution and signal-to-noise ratio of the spectrum. New Hi data were therefore acquired at Parkes for 82 galaxies, providing a mean factor ~ 3:4 improvement in the fractional uncertainties in the 50% linewidth. A deep NIR follow-up survey of HIZOA galaxies within 6000 kms -1 was conducted using the 1:4m IRSF telescope using the SIRIUS camera for simultaneous imaging in the near infrared J, H and Ks bands. These deep, high resolution NIR observations are able to penetrate the dust and deblend foreground stars making it possible to detect the NIR counterparts for the Hi-detected galaxies. The survey images have an exposure time of 10 min resulting in a limiting magnitude approximately 2m deeper than the 2MASS survey and the SIRIUS camera has a 00:045 pix -1 pixel scale and 7:07 _ 7:07 field of view. The three-colour images were searched by eye for possible NIR-Hi counterparts resulting in a galaxy catalogue containing 567 galaxies in 422 fields. Of these fields the NIR counterparts were confirmed for 356 Hi galaxies. Algorithms for the subtraction of foreground stars were developed and used to obtain accurate surface photometry of each source. The NIR galaxy colours were used to investigate the nature of extinction in the ZoA. The results show that on average across the southern ZoA, the true extinction is 82% of the DIRBE/IRAS values provided by Schlegel et al. (1998). There is no significant variation in A preliminary peculiar velocity flowfield within the southern ZoA is derived by combining the Hi and NIR data. A strong flow towards the Great Attractor (GA) is observed. This flow field also shows possible indications of backside infall onto the GA, showing that the GA does indeed play an important role in the motion of the Local Group. The success of this study demonstrates the feasibility of further TF peculiar velocity studies in the ZoA, notably the extension of this survey to greater distances and an improved calibration of the TF relation for use in the ZoA.
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Gonzalez, Mejia Alejandra M. "Fisher Information - Sustainability Analysis of Several US Metropolitan Statistical Areas." University of Cincinnati / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1318610140.
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Abeywardana, Sachinthaka. "Variational Inference in Generalised Hyperbolic and von Mises-Fisher Distributions." Thesis, The University of Sydney, 2015. http://hdl.handle.net/2123/16504.
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Most real world data are skewed, contain more than the set of real numbers, and have higher probabilities of extreme events occurring compared to a normal distribution. In this thesis we explore two non-Gaussian distributions, the Generalised Hyperbolic Distribution (GHD) and, the von-Mises Fisher (vMF) Distribution. These distributions are studied in the context of 1) Regression in heavy tailed data, 2) Quantifying variance of functions with reference to finding relevant quantiles and, 3) Clustering data that lie on the surface of the sphere. Firstly, we extend Gaussian Processes (GPs) and use the Genralised Hyperbolic Processes as a prior on functions instead. This prior is more flexible than GPs and is especially able to model data that has high kurtosis. The method is based on placing a Generalised Inverse Gaussian prior over the signal variance, which yields a scalar mixture of GPs. We show how to perform inference efficiently for the predictive mean and variance, and use a variational EM method for learning. Secondly, the skewed extension of the GHD is studied with respect to quantile regression. An underlying GP prior on the quantile function is used to make the inference non-parametric, while the skewed GHD is used as the data likelihood. The skewed GHD has a single parameter alpha which states the required quantile. Similar variational methods as the first contribution is used to perform inference. Finally, vMF distributions are introduced in order to cluster spherical data. In the two previous contributions continuous scalar mixtures of Gaussians were used to make the inference process simpler. However, for clustering, a discrete number of vMF distributions are typically used. We propose a Dirichlet Process (DP) to infer the number of clusters in the spherical data setup. The framework is extended to incorporate a nested and a temporal clustering architecture. Throughout this thesis in many cases the posterior cannot be calculated in closed form. Variational Bayesian approximations are derived in this situation for efficient inference. In certain cases further lower bounding of the optimisation function is required in order to perform Variational Bayes. These bounds themselves are novel.
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Carey, Luci. "The maritime labour convention 2006: The seafarer and the fisher." Thesis, Carey, Luci (2015) The maritime labour convention 2006: The seafarer and the fisher. Honours thesis, Murdoch University, 2015. https://researchrepository.murdoch.edu.au/id/eprint/29502/.
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The perils of working at sea have been recognised for hundreds of years. Seafarers and fishers spend their working lives at risk of serious injury or death. The Seafarers International Research Centre found that workplace fatalities are 11 times more likely for seafarers than workers ashore. Aside from the physical dangers, the isolated workplace leaves seafarers and fishers vulnerable to severe exploitation and abuse. Without seafarers sailing the ships that carry 90% of ‘everything’, the world’s economy would grind to a halt. Yet, to most of us, they remain invisible.
This paper considers the particular issues confronting seafarers and fishers through the prism of the Maritime Labour Convention 2006 (MLC) and the Work in Fishing Convention 2007 (WIFC). The Conventions share many similarities and are intended to complement each other in order to improve the living and working conditions of those who work at sea. The MLC has been enthusiastically welcomed and adopted by 67 countries representing 80% of the world’s gross tonnage of ships, yet the WIFC has been almost completely ignored.
The paper finds that the MLC is useful and making a real difference. It argues that the legal protection of fishers globally is, in contrast, virtually non-existent. The fishing industry is plagued by criminality and thousands of fishers are trapped in forced labour but the international community remains silent. As the MLC is an effective and useful convention it ought to be extended to include fishers within its scope. However that will do little to alleviate the conditions of those enslaved fishers who can only hope for a concerted global response to combat slavery at sea.
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Vila, Adrien. "Cycles et instabilité chez I. Fisher : l'équilibre à l'épreuve de la monnaie." Thesis, Paris Sciences et Lettres (ComUE), 2018. http://www.theses.fr/2018PSLEH035/document.
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L’objet de la présente thèse porte sur le rôle de la monnaie, en particulier bancaire, dans la détermination du niveau général d’activité chez le fondateur de la théorie quantitative contemporaine, Irving Fisher (1867–1947). Nous y montrons comment évolue sa conception des fluctuations et de l’instabilité en confrontant sa théorie des cycles de crédit (1911) à la déflation par la dette (1932, 1933). Notre objectif est de retracer la manière dont l’essor de la monnaie bancaire à partir de la fin du 19ème siècle, puis des marchés financiers dans l’entre-deux-guerres, sont intégrés dans la pensée de Fisher et, à travers lui, dans la conception libérale de la neutralité monétaire. Nous dégageons ainsi les structures logiques de ses deux analyses, en faisant valoir qu’elles s’appuient sur des mécanismes qualitativement différents, l’un bancaire, l’autre financier, mettant en jeu des variables et des processus de nature distincte. Cependant, une fois cette hétérogénéité mise en avant, il est possible de rapprocher les deux théories de Fisher en soulignant une invariance plus profonde portant sur le caractère déstabilisant de la monnaie. C’est pourquoi les deux grands projets de réformes qu’il défend au cours de sa vie, le dollar-compensé (1911, 1920) puis le 100% Monnaie (1935), sont construits en vue de répondre au même objectif : stabiliser la valeur de la monnaie. Le chapitre 1, introductif, présente les ressorts de la déflation par la dette afin d’en discuter l’articulation à la théorie des cycles de crédit au chapitre 2. Dans celui-ci, nous faisons apparaître que cette analyse de Fisher constitue un cas particulier d’un modèle plus général dans lequel, contrairement à ce qu’il pense alors, la stabilité de l’équilibre n’est pas garantie. Au chapitre 3, nous abordons les solutions qu’il propose pour lutter contre les désordres monétaires. Plus spécifiquement, nous précisons les liens entre sa perception de l’instabilité et les réformes qu’il suggère pour neutraliser l’influence de la monnaie sur les grandeurs économiques réelles. Dans le chapitre 4, nous poursuivons notre étude de la vision de l’instabilité de Fisher en examinant les fondements logiques et historiques de la notion « d’effet Fisher » au sens que lui donne James Tobin (1980). Enfin, le chapitre 5 traite de la réception et de la postérité des idées de Fisher en matière d’analyse de l’instabilité financière. Nous y montrons que la déflation par la dette n’est ni ignorée, ni totalement rejetée par les économistes dans les années 1930 et 1940, puis qu’elle occupe une place importante à partir des années 1970 dans la constitution des programmes de recherche néo-keynésien et post-keynésienThe purpose of this thesis is to examine the role of money, especially of bank deposits,in Irving Fisher’s (1867–1947) analysis of the general level of activity determination, which constitutes nowadays the foundation of the contemporary quantitative theory.We show how his explanation of monetary instability evolves by comparing his credit cycle theory (1911) with the debt-deflation (1932, 1933). Our aim is to highlight the influence of the development of bank currency (from the end of the 19th century) and financial markets (during the interwar period) on Fisher’s economic thought, and through him, on the liberal conception of monetary neutrality. In this way, we draw the logical structures of its two analyses, by pointing out that they are based on qualitatively different mechanisms, one banking, and the other one financial, involving variables and processes of different nature. However, once this heterogeneousness advanced, it is possible to reconcile the two theories of Fisher by underlining a deeper invariance concerning the destabilizing character of money. That is why his two big reforms projects, the compensated-dollar (1911, 1920), and then the 100% Money (1935), are intended to answer at the same purpose: stabilize the value of money.Chapter 1 introduces the dynamic of the debt-deflation to discuss his relation with thecredit cycle theory in the chapter 2. In the latter, we assert that this analysis of Fisher is only a particular case of a more general model in which, contrary to what he thinks at the time, the stability of the equilibrium is not guaranteed. In the chapter 3, we discuss the solutions he proposed to solve the monetary disorders. More precisely, we specify the links between his perception of instability and the reforms he suggests to neutralize the influence of money on the real economic variables. In the chapter 4, we pursue our study of Fisher’s conception of instability by examining the logical and historical foundations of the notion of “Fisher effect” in the meaning given by James Tobin (1980). Finally, the chapter 5 deals with the reception and the posterity of Fisher’s ideas regarding financial instability. We show that the debt-deflation is neither ignored, nor totally rejected by the economists in the 1930s and 1940s, then that it occupies an important place from 1970s in the constitution of the neo-Keynesian and post-Keynesian research program
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Caldas, Bruno Breyer. "Teste de validação da hipótese de Fisher : uma análise por VECM para 40 países." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2011. http://hdl.handle.net/10183/29973.
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Neste estudo foram analisados 40 países para o período mais longo disponível no IFS, através do teste de cointegração de Johansen (1995) e Vetores de Correção de Erro (VEC) para explorar as evidências sobre a capacidade de hedge dos ativos acionários com relação à inflação. Além disso, incluiu-se um teste de cointegração com quebra estrutural a fim de testar a relação entre as séries que não cointegraram através do teste principal de Johansen (1995). Cabe ressaltar que, ao contrário dos artigos que analisam as variáveis em diferença, ao considerarmos as variáveis em nível, um equilibrio de longo prazo entre estas foi encontrado, e mesmo que o retorno ao equilíbrio seja lento, ele existe e, após um periodo suficientemente longo, ambas as variáveis retornarão ao equilíbrio de longo prazo. Além disso, o equilíbrio de longo prazo encontrado para a maioria dos países decorreu do teste sem a inclusão de quebra estrutural. Assim, a relação de longo prazo entre as variáveis permanece estável para 29 países, indicando que choques reais ou monetários, mesmo permanentes, não são capazes de afetar a dinâmica entre estas variáveis.This study analyses 40 countries for the longest sample available at IFS, through the cointegration test of Johansen (1995) and Vector Error Correction Models (VECM), in order to explore the evidences concerning the stock assets capability of hedging inflation. Besides, this paper includes a cointegration test with structural break in order to test the long run relationship between the series of countries that did not cointegrate using the Johansen (1995) test. We can’t stress enough that, contrary to the other studies that use variables in difference, when we consider them in level a long run relationship arrises, and even though the return to equilibrium is slow, it exists and after a sufficiently long period, both variables will reach a long run equilibrium. Beyond that, a long run relationship was found for most countries before considering the existance of a structural break. Hence, the long run relationship remains stable for 29 countries, indicating that any real or monetary shocks, even those permanent, did not affect the long run dinamic between stock prices and goods prices.
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Wenger, Alan J. "The Solo Compositions for Trumpet of Fisher Aubrey Tull: An Analysis of Structural, Technical, and Stylistic Elements for Performance Preparation, with Three Recitals of Selected Works by Bozza, Fasch, Haydn, Tomasi, and Others." Thesis, view full-text document. Access restricted to the University of North Texas campus, 2002. http://www.library.unt.edu/theses/open/20022/wenger%5Falan%5Fj/index.htm.
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Thesis (D.M.A.)--University of North Texas, 2002.Accompanied by 4 recitals, recorded Nov. 25, 1996, Mar. 1, 1999, Nov. 1, 1999 and Apr. 8, 2002. Includes discography (p. 142-143) and bibliographical references (p. 144-150).
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Tran, Tat Dat. "Information Geometry and the Wright-Fisher model of Mathematical Population Genetics." Doctoral thesis, Universitätsbibliothek Leipzig, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-90508.
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My thesis addresses a systematic approach to stochastic models in population genetics; in particular, the Wright-Fisher models affected only by the random genetic drift. I used various mathematical methods such as Probability, PDE, and Geometry to answer an important question: \"How do genetic change factors (random genetic drift, selection, mutation, migration, random environment, etc.) affect the behavior of gene frequencies or genotype frequencies in generations?”.
In a Hardy-Weinberg model, the Mendelian population model of a very large number of individuals without genetic change factors, the answer is simple by the Hardy-Weinberg principle: gene frequencies remain unchanged from generation to generation, and genotype frequencies from the second generation onward remain also unchanged from generation to generation.
With directional genetic change factors (selection, mutation, migration), we will have a deterministic dynamics of gene frequencies, which has been studied rather in detail. With non-directional genetic change factors (random genetic drift, random environment), we will have a stochastic dynamics of gene frequencies, which has been studied with much more interests. A combination of these factors has also been considered.
We consider a monoecious diploid population of fixed size N with n + 1 possible alleles at a given locus A, and assume that the evolution of population was only affected by the random genetic drift. The question is that what the behavior of the distribution of relative frequencies of alleles in time and its stochastic quantities are.
When N is large enough, we can approximate this discrete Markov chain to a continuous Markov with the same characteristics. In 1931, Kolmogorov first introduced a nice relation between a continuous Markov process and diffusion equations. These equations called the (backward/forward) Kolmogorov equations which have been first applied in population genetics in 1945 by Wright.
Note that these equations are singular parabolic equations (diffusion coefficients vanish on boundary). To solve them, we use generalized hypergeometric functions. To know more about what will happen after the first exit time, or more general, the behavior of whole process, in joint work with J. Hofrichter, we define the global solution by moment conditions; calculate the component solutions by boundary flux method and combinatorics method.
One interesting property is that some statistical quantities of interest are solutions of a singular elliptic second order linear equation with discontinuous (or incomplete) boundary values. A lot of papers, textbooks have used this property to find those quantities. However, the uniqueness of these problems has not been proved. Littler, in his PhD thesis in 1975, took up the uniqueness problem but his proof, in my view, is not rigorous. In joint work with J. Hofrichter, we showed two different ways to prove the uniqueness rigorously. The first way is the approximation method. The second way is the blow-up method which is conducted by J. Hofrichter.
By applying the Information Geometry, which was first introduced by Amari in 1985, we see that the local state space is an Einstein space, and also a dually flat manifold with the Fisher metric; the differential operator of the Kolmogorov equation is the affine Laplacian which can be represented in various coordinates and on various spaces. Dynamics on the whole state space explains some biological phenomena.
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Ersan, Eda. "International Fisher Effect: A Reexamination Within Co-integration And Dsue Frameworks." Thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12610157/index.pdf.
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International Fisher Effect (IFE) is a theory in international finance which asserts that the spot exchange rate between countries should move in opposite direction with the interest rate differential between these countries. The aim of this thesis is to analyze whether differences in nominal interest rates between countries and the movement of spot exchange rates between their currencies tend to move together over the long run. The presence of IFE is tested among the G-5 countries and Turkey for the period from 1985:1 to 2007:12. The long run relationship is estimated with the Johansen co-integration method and supportive evidence is found for all country pairs. Individually modeled equations are further tested with the Dynamic SUR method. Those DSUR equations that include the Turkish currency provide supportive evidence for IFE that higher interest rates in favor of Turkey would cause depreciation of the Turkish Lira. The magnitude of the effect is found to be lower than expected which indicates that there might be other factors in economy, such as inflation rates, that affect the exchange rate movements.
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Barden, Marco. "The Evolution of the Tully-Fisher Relation at Redshift z~1." Diss., lmu, 2004. http://nbn-resolving.de/urn:nbn:de:bvb:19-29114.
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