Dissertations / Theses on the topic 'Théorie de la valuation'
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Bernier, Nicolas. "John Dewey et la théorie de la valuation : quelle pertinence pour l’éthique appliquée aujourd’hui?" Mémoire, Université de Sherbrooke, 2016. http://hdl.handle.net/11143/8797.
Full textMessirdi, Wahiba. "Idéaux 1-fibrés d'un anneau Nœthérien." Toulouse 3, 2013. http://thesesups.ups-tlse.fr/2010/.
Full textThe main objective of this thesis is to introduce the concept of the nth-root of an ideal and to study its integral closure using the criterion of the 1-fibered ideals (i. E, ideals with only one Rees valuation) of Hubl and Swanson. It also presents a new criterion for testing whether a 1-fibered monomial ideal is normal or not. Specifically, we show that if I is a monomial ideal of R = k[x1, x2,. . . , xd], then I is normal 1-fibered if and only if for any positive integer n and for all x, y in R such that xy is in I2n, x or y belongs to In. Finally, we introduce the condition Cn and the notion of Cn -maximal ideals. Then we will give several results concerning this condition and we show that every ideal that satisfies the condition Cn is contained in a Cn -maximal ideal
Abid, Zohir. "Contribution à l'analyse structurale des systèmes complexes au moyen des notions de recouvrement et de semi-valuation." Lyon 1, 1986. http://www.theses.fr/1986LYO19020.
Full textElbée, Christian d'. "Expansions et néostabilité en théorie des modèles." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSE1076/document.
Full textThis thesis is concerned with the expansions of some algebraic structures and their fit in Shelah’s classification landscape. The first part deals with the expansion of a theory by a random –or generic– predicate for a substructure model of a reduct of the theory. We describe a setup allowing such an expansion to exist, which is suitable for several algebraic structures. In particular, we obtain the existence of additive generic subgroups of some theories of fields and multiplicative generic subgroups of algebraically closed fields in all characteristic. We also study the preservation of certain neostability notions, for instance, the NSOP 1 property is preserved but the simplicity is not in general. Thus, this construction produces new examples of NSOP 1 not simple theories, and we study in depth a particular example: the expansion of an algebraically closed field of positive characteristic by a generic additive subgroup. The second part studies expansions of the groups of integers by p-adic valuations. We prove quantifier elimination in a natural language and compute the dp-rank of these expansions: it equals the number of distinct p-adic valuations considered. Thus, the expansion of the integers by one p-adic valuation is a new dp-minimal expansion of the group of integers. Finally, we prove that the latter expansion does not admit intermediate structures: any definable set in the expansion is either definable in the group structure or is able to "reconstruct" the valuation using only the group operation
Castagliola, Carole. "Héritage et valuation dans les réseaux sémantiques pour les bases de données objets." Compiègne, 1991. http://www.theses.fr/1991COMPD363.
Full textXie, Junyi. "Algebraic dynamics of rational self-maps on surfaces." Palaiseau, Ecole polytechnique, 2014. http://pastel.archives-ouvertes.fr/docs/01/02/54/12/PDF/phd20140412.pdf.
Full textThis thesis contains three parts. The first one is devoted to the study of the set of periodic points for birational surface maps. We prove that any birational transformation of a smooth projective surface whose degree growth is exponential admits a Zariski-dense set of periodic orbits. In the second part, we prove the dynamical Mordell-Lang conjecture for all polynomial birational transformations of the affine plane defined over a field of characteristic zero. Our approach gives a new proof of this conjecture for polynomial automorphisms of the affine plane. The last part is concerned with a problem in affine geometry that was inspired by the generalization to any polynomial map of the dynamical Mordell-Lang conjecture. Given any finite set S of valuations that are defined on the polynomial ring k[x,y] over an algebraically closed field k, trivial on k, we give a necessary and sufficient condition so that the field of fractions of the intersection of the valuation rings of S with k[x,y] has transcendence degree 2 over k
Saugez, Helene. "L'affectation des biens à l'utilité publique : Contribution à la théorie générale du domaine public." Thesis, Orléans, 2012. http://www.theses.fr/2012ORLE0001/document.
Full textThe public law of the properties is in full transformation. The movements affect mainly the definition of the publicproperty and that of the public domain. In the heart of these notions is the affectation of the properties in the publicutility. Indeed, this last one is directly bound to the public domain. The first remedy in the crisis was the adoption ofthe legislative reform of 2006 ending in the general Code of the property of the public persons.The affectation is relatively emphasis within this Code. The reform remains, however, superficial. Indeed, a logicdifferent from that of the property should have prevailed to resolve the major stakes in this crisis. Whiledemonstrating the notion of affectation, autonomous with regard to that of the public property, has to remain afundamental element of recognition of the public domain, this last one that must be reduced to the main part. But, itespecially has to lead, once freed from the organic criterion, in a better valuation of the public properties.Today, properties allocated to the public utility belong to private persons. They are not certainly a part any more ofthe public domain but remain nevertheless subdued with care of a protective legal regime, comparable to the rules ofthe public domaniality.At the end, the protection of the affectation envisages except the public property, while reconciling the satisfactionof the general interest with the economic imperatives
Duval, Guillaume. "Actions des groupes de Galois différentiels sur les espaces de valuations." Toulouse 3, 2005. http://www.theses.fr/2005TOU30287.
Full textThis thesis is about differential Galois theory and valuation theory. We are interested in valuations which are invariant under the action of some differential Galois group. This is a way to answer the following general question: If two functions are algebraically equivalent, do they have any common analytical behaviour ? Can we describe these behaviour ? Here, the algebraic equivalence means that the two functions satisfy the same differential equations, (i. E they are conjugated under the action of some differential Galois group. On the other side, the analytical behaviour, can be apprehended by the theory of valuations
Guignot, Francois. "Théorie des modèles des groupes abéliens valués." Thesis, Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCC163/document.
Full textThe purpose of this thesis is to study model theory of abelian valued groups. At theend of the first chapter, a basic example is given, showing that, in sharp contrast to orderedabelian groups, abelian valued groups may not be dependent (NIP). The topic of IndependenceProperty is focused on throughout the manuscript. The language used is two-sortedand contains symbols for : the group operation, the inverse and the identity element (sortof the group), the order on the chain and the infinity (sort of the value chain) and finallythe valuation itself. The first part (chapters 2, 3 and 4) deals with the case of the additivegroup Z of integers endowed with a p-adic valuation (with p a prime number) and withthe common theory to these structures. In each case, an axiomatization and a quantifierelimination in a language a bit larger are obtained, the lack of the Independence Propertyis proven and a short study of definable types is propounded. The second part begins withthe only general chapter of the work, where the pp-elimination of quantifiers for modules isadapted to the framework of valued abelian groups. The chapter 6 aims at studying valuedgroups with finite chains, with Z as the underlying group : their common theory and itscompletions, for which a quantifier elimination result is also given, are axiomatized. Finally,the chapter 7, based upon the results of chapters 5 and 6, gives a quantifier eliminationfor any valued group having Z as the underlying group and deduces from this the fact thatthese valued groups are NIP
Roussey, Sylvain. "Isotropie, corps de fonctions et équivalences birationnelles des formes quadratiques." Besançon, 2005. http://www.theses.fr/2005BESA2029.
Full textde, Felipe Paramio Ana Belén. "Topologie des espaces de valuations et géométrie des singularités." Sorbonne Paris Cité, 2015. http://www.theses.fr/2015USPCC136.
Full textWe study the fiber of the Riemann-Zariski space above a closed point x of an algebraic variety X defined over an algebraically closed field. We characterize its homeomorphism type for regular points and normal surface singularities. This is done by studying the relation between this space and the normalized non-Archimedean link of x in X. We prove that their behavior is the same
Mahboub, Wael. "Une construction explicite de polynômes-clés pour des valuations de rang fini." Toulouse 3, 2013. http://thesesups.ups-tlse.fr/2219/.
Full textLet K be a field and Nu a valuation of K. Let L be an extension of K, and Mu a valuation which extends Nu The first purpose of this paper is to construct recursively sequences of key polynomials associated to the valuation Mu, in the case where the valuation Nu is of finite arbitrary rank r. This gives a generalization of the construction of key polynomials of M. Spivakovsky, M. A Olalla Acosta and F. J. Herrera Govantes. Then we compare the notion of key polynomials thus constructed with the notion of key polynomials given by S. Maclane and M. Vaquié. We give explicit comparison theorems between the two notions. Finally we give a collection of examples of key polynomials and limit key polynomials. Among those, we give an example of a limit key polynomial for a valuation of rank 1 in positive characteristic which is centered in a Noetherian local ring
Montenegro, Guzmán Samaria. "Théorie des modèles des corps pseudo-réels clos et pseudo-p-adiquement clos." Sorbonne Paris Cité, 2015. http://www.theses.fr/2015USPCC269.
Full textThis is a thesis in model theory applied to algebra. In this thesis we study the theory of bounded pseudo real closed fields (PRC fields) and pseudo p-adically closed fields (PpC fields) from a model theoretic point of view. The classes of bounded PRC and PpC fields are generalizations of those of pseudo-algebraically closed fields (PAC fields), real closed fields, and p-adically closed fields. The main result of the thesis is a positive answer to the conjecture by Chernikov, Kaplan and Simon: If M is a PRC-field, then Th(M) is NTP2 if and only if M is bounded. In the case of PpC fields, we prove that if M is a bounded PpC field, then Th(M) is NTP2. We also generalize this result to obtain that, if M is a bounded PRC or PpC field with exactly n orders or p-adic valuations respectively, then Th(M) is strong of burden n. This also allows us to explicitly compute the burden of types, and to describe forking. Other results of independent interest are some amalgamation results, and the elimination of imaginaries for bounded PRC fields. Keywords: Model theory, ordered fields, p-adic valuation, real closed fields, p-adically closed fields, PRC, PpC, NIP, NTP2, elimination of imaginaries
Beddani, Charef. "Théorème de REES et comparaison des valuations divisorielles." Toulouse 3, 2007. http://thesesups.ups-tlse.fr/146/.
Full textThe divisorial valuations are fundamental objects to the study of the resolution of singularities. They were studied by Zariski, Abhyankar, Rees, Swanson and much of others. Recently, some new approaches of the problem of resolution of singularities was proposed. Particularly Spivakovsky and Teissier give an approach based on the study of the divisorielles valuations. This thesis was intended to the study of the divisorial valuations and their comparison. We gave a new geometrical proof of the Rees's theorem and the Izumi's theorem, with some minimal assumption. The main contribution of this thesis is the definition of the property (Z_k). We showed that any ideal that checks this property has at most k-1 Rees valuations. This means geometrically that if R is a ring of Nagata, and f is the normalized blowing up of I, then the exceptionnel divisor has at most k-1 irreducible components. Using this result, we gave an affirmative answer to some questions of Swanson concerning the integral closure of idéals. At the end of this work, we proposed some questions by explaining the relation between the notion of the connexity in codimension 1 and the comparability of divisorial valuations centered in an analytically irreducible ring
Ioanidis, Efthimios. "Sur les valuations invariantes de Sp(4,C)/SL(2,C)." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb375993916.
Full textDieudonné, Marion. "Emergence et développement de la théorie financière de l'entreprise avant 1929 : la contribution de Thorstein Veblen." Thesis, Paris Sciences et Lettres (ComUE), 2017. http://www.theses.fr/2017PSLED053/document.
Full textMy PhD dissertation focuses on the theory of the corporate finance that emerged between 1880 and 1929, as well as the contribution of Veblen.First, we highlight Veblen’s analytical and macroeconomic contributions to the business enterprise. He highlights a trinity credit-equity-goodwill by which we assert that he is a "pre-modern" theorist of corporate finance. His vision of goodwill allows him to draw up a theory of investment that is rooted in the affiliation of the Q-Theory. It thus offers a pioneering look at the management of an enterprise, with its analysis of the behavior of the insider and the outsider.Secondly, through an archival work and an investigation into the first corporate finance manuals, we present a reading of the emergence of this academic discipline, resulting from the practice of large companies. A first vocabulary and the first theories emerge. In addition, there is a wider debate about education in the United States and the institutionalization of business education in higher education, in which Veblen takes part
Jarrah, Adil. "Développement de méthodes statistiques et probabilistes en corrosion par piqûres pour l’estimation de la profondeur maximale : application à l’aluminium A5." Paris, ENSAM, 2009. http://www.theses.fr/2009ENAM0024.
Full textPitting corrosion is one of the most prevalent forms of corrosion. It affects all materials and takes place in a very important economic context. Pits can manifest locally over the structure and leads to its deterioration particularly in the presence of mechanical solicitations. The stochastic aspect of the phenomenon led to the development of statistical methods in order to characterize it. This characterization is often done through the estimation of maximum pit depth in the aim to assess the risk of perforation. For this aim, the method of Gumbel is often used. The objective of this work is to check the conditions of application of this method notably the independence and compare it with the approaches based on law of generalized extreme values and the peak over threshold. The condition of independence is verified using spatial process. An adaptation of the spectral analysis in the context of pitting corrosion is also proposed. The comparison between the approaches is based on numerical simulations which the parameters come from the experimentation
Astier, Raphaël. "L'uniformisation locale des surfaces d'Artin-Schreier en caractéristique positive." Versailles-St Quentin en Yvelines, 2002. http://www.theses.fr/2002VERS015V.
Full textThis thesis deals with uniformization, in characteristic p>0, of a rational valuation, in special cases where this valuation is centered on a singularity locally defined by the following equations :- either zp̂+f(x,y)=0, with f not a p-th power, and ordf >p,- or zp̂+e(x,y)z+f(x,y)=0, with ord (ez+f)>p (Artin-Schreier's case). Historically, it was in such cases that all difficulty of resolving surfaces in positive characteristic was concentrated. The novelty bringed in this work consists first in giving a bound to theminimum number of closed point's blowing-ups needed to uniformize, and second in anticipating (from the first ring) the Newton polygon's evolution and the parameter's choice for the successive blowing-ups along the valuation. In a first part, we come back on the Giraud's normal form of f in O_X(X)where X is a two dimensional regular scheme of characteristic p. The startingpoint is an polynomial expansion of f with a generating sequence for the valuation. We can then study and anticipate the behavior of this expansion and the associated Newton polygon modulo a p-th power. We then give a bound on the maximum number of blowing-ups needed for this polygon to become minimal, with only one vertex, and of maximal height one. This case correspond to the normal form of f. In a second part, using this results for the two above-mentionned cases, wegive an algorithm witch anticipate, in the first ring, the translations on zneeded to keep a minimal Newton polygon during the blowing-ups sequence (alongthe valuation), and we quantify the maximal size of such a sequence with last ring corresponding to a quasi-ordinary singularity
Rangra, Subeer. "Performance shaping factor based human reliability assessment using valuation-based systems : application to railway operations." Thesis, Compiègne, 2017. http://www.theses.fr/2017COMP2375/document.
Full textHumans are and remain one of the critical constituents of modern transport operations. Human Reliability Analysis (HRA) methods provide a multi-disciplinary approach: systems engineering and cognitive science methods to evaluate the interaction between humans and the system. This thesis proposes a novel HRA methodology acronymed PRELUDE (Performance shaping factor based human REliability assessment using vaLUation-baseD systEms). Performance shaping factors (PSFs) are used to characterize a dangerous operational context. The proposed framework of Valuation-based System (VBS) and belief functions theory (BFT) uses mathematical rules to formalize the use of expert data and construction of a human reliability model capable of representing all kinds of uncertainty. PRELUDE is able to predict the human error probability given a context, and also provide a formal feedback to reduce the said probability. The second part of this work demonstrates the feasibility of PRELUDE with empirical data from simulators. A protocol to obtain data, a transformation and data analysis method is presented. An experimental simulator campaign is carried out to illustrate the proposition. Thus, PRELUDE is able to integrate data from multiple sources (empirical and expert) and types (objective and subjective). This thesis, hence address the problem of human error analysis, taking into account the evolution of the HRA domain over the years by proposing a novel HRA methodology. It also keeps the rail industry’s usability in mind, providing a quantitative results which can easily be integrated with traditional risk analyses. In an increasingly complex and demanding world, PRELUDE will provide rail operators and regulatory authorities a method to ensure human interaction-related risk is understood and managed appropriately in its context
Bellicha, Félix Amit. "Flexibilité dans les problèmes de satisfaction de contraintes." Montpellier 2, 1996. http://www.theses.fr/1996MON20265.
Full textMansouri, Maryam Alsadat. "Études esthétiques du paysage urbain téhéranais : espaces, visions, pratiques, expériences." Thesis, Paris 10, 2019. http://www.theses.fr/2019PA100006.
Full textFloating in a back and forth between the architecture and the traditional urbanism of the country and the modernist, imported from Western countries, Tehran is often recognized as an identity-less disordered noisy city, with insignificant landscapes. The question then asked by urban actors is how to make the city more beautiful, more pleasant, more appreciated by the inhabitants? Since the post-revolutionary years (1979), the Beautification Agency of the City of Tehran, a municipal body, has been interested in answering this questioning with initiatives aimed at aestheticizing the Iranian capital by injecting colors, lights, monuments, vegetation, buildings. However, the diversity of interventions and approaches adopted and the dissimilarity between them and with the urban entity of the city, let us formulate the hypothesis that for Tehran urban management, the aestheticization of the city consists in enchanting it, to throw a touch of beauty, magic, charm. But finally, wouldn’t it be more a question of disenchantment in Tehran?Over a period of forty years beginning in 1979 with support over the last decade, the thesis focused on a selection of municipal interventions claiming urban aesthetics, based on the observation that the criteria of urban aestheticization in Tehran tend towards a decorative and objective approach. The analysis of the eight case studies is based on a theoretical reflection around the urban aestheticization and points the sensitive relationship of the user with the aestheticized space. Thus, a method of aesthetic analysis that highlights the values produced by the urban intervention that we recognize as aestheticization by experience (distinguished from other modes of urban aestheticization) has been developed, bringing the “theory of the evaluation” of the pragmatist philosopher John Dewey with the locution "process of aestheticization”. According to a desire to improve qualitatively the urban space, by mobilizing several urban devices, aestheticization through experience, which is a process, contributes to the acquisition of an aesthetic experience through the production of value
Hallouin, Emmanuel. "Calcul de fermeture intégrale en dimension 1 et factorisation." Poitiers, 1998. http://www.theses.fr/1998POIT2349.
Full textQiu, Siqi. "Modèles graphiques de l'évaluation de Sûreté de Fonctionnement et l'analyse des risques des Systèmes de Systèmes en présence d'incertitudes." Thesis, Compiègne, 2014. http://www.theses.fr/2014COMP2160.
Full textSystems of Systems (SoS) are large systems whose components are themselves systems which interact to realize a common goal, and for which the malfunction of a single system can have some serious consequences on the performance of the whole SoS. So it’s important that the design of these SoSs takes into account the dependability requirements of safety standard. In this thesis, our interests concern the modeling of SoS and the reliability analysis of SoS under uncertainty which is due to the lack of knowledge related to failure data and model. Therefore, two modeling methods which deal with different issues are applied to model SoSs and the corresponding quantitative reliability analysis is proposed. The objective of this thesis is to propose graphical models for dependability assessment and risk analysis of SoSs under uncertainty. Firstly, it will propose a dysfunctional model of the ERTMS which is considered as an SoS. The model will integrate the hardware aspect, the network aspect and the human factors. Then, it will evaluate some dependability attributes of the whole SoS. Later, it will take different kinds of uncertainties into account quantitatively. The proposed methodology is applied on the ERTMS Level 2. The main contribution of this thesis lies in three aspects. First, we propose a methodology to model and evaluate SoSs. Second, we consider ERTMS Level 2 as an SoS and seek to evaluate its dependability parameters by considering the unavailability of the whole SoS as an emergent property. Third, we model quantitatively different kinds of uncertainties in the proposed models
Decaup, Julie. "Uniformisation locale simultanée par monomialisation d'éléments clefs." Thesis, Toulouse 3, 2018. http://www.theses.fr/2018TOU30068/document.
Full textThe local uniformization theorem is an important result in theory of singularities. Known in characteristic zero, it is an open problem in positive characteristic. In this thesis, we give a simultaneous version of this theorem in zero characteristic. We consider a regular local ring R with a valuation centered in its maximal ideal. We prove the local uniformization theorem by monomializing simultaneously the elements of R. The proof given is new and rich in three respects : first, we monomialize every element with the same sequence of blow-ups. Furthermore, this sequence is explicit and we know the coordinates at each step. In addition, the construction is independent of any hypothesis on the rank of the valuation. To this end, we use a theory intimately linked to that of valuations based on the notion of key elements, a generalization of key polynomials, which is explained in detail in the second chapter of this manuscript. We give a new definition of key polynomials and we study their precise relation with key polynomials of Mac Lane and Vaquié. The last chapter is devoted to the more general framework of local quasi-excellent domains of equicharacteristic zero. In this case, although still necessary, the theory of key elements is no longer sufficient. We need to use the implicit prime ideal H of such a ring R and show that the problem can be reduced to the desingularisation of the quotient of the completion of R by H
Barry, Demba. "Eléments de carre central dans les algèbres d’exposant deux." Paris 13, 2012. http://www.theses.fr/2012PA132037.
Full textIn this thesis, we further investigate the decomposability of exponent 2 central simple algebras over fields of characteristic different from 2. The problem will be addressed through the study of square-central elements. We first extend the notion of spaces of similitudes to the wide framework of algebras with involution, later we give a characterization of the totally decomposable involutions in terms of the existence of maximal (s, t)-families. The study of expansion properties of spaces of similitudes leads us to study conditions under which a square-central element, in an exponent 2 algebra, lies in a quaternion subalgebra. It turns out that the existence, in a 64-dimensional division algebra of exponent 2, of a square-central element which is not in a quaternion subalgebra is tied to the existence of an indecomposable algebra of exponent 2. Examples of indecomposable algebras of exponent 2 exist in the literature, but they are all constructed over fields of cohomological dimension greater than or equal to 5. As an application, we improve these examples by constructing an example of 64-dimensional indecomposable algebra of exponent 2 over a field of cohomological dimension as small as possible (that is 3) ; another example is given in cohomological dimension 4
Charignon, Cyril. "Immeubles affines et groupes de Kac-Moody." Phd thesis, Nancy 1, 2010. http://tel.archives-ouvertes.fr/tel-00497961.
Full textSan, Saturnino Jean-Christophe. "Théorème de Kaplansky effectif et uniformisation locale des schémas quasi-excellents." Phd thesis, Université Paul Sabatier - Toulouse III, 2013. http://tel.archives-ouvertes.fr/tel-00973941.
Full textDang, Nguyen-Bac. "Croissance des degrés d'applications rationnelles en dimension 3." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLX044/document.
Full textThis thesis is divided into three independent chapters on the iterates of rational maps on projective varieties and more specifically on the study of the growth of the degree sequences of the iterates of such maps. In the first chapter, we give a construction of the fundamental invariants called dynamical degrees. Our method holds in a very general setting, without any conditions on the characteristic of the field or on the singularities of the ambient space.This construction is based on the study of positivity properties of algebraic cycles and gives an alternative approach to the analytical technics of Dinh and Sibony or to the algebraic arguments of Truong.The second chapter is taken from an article written in joint work with Jian Xiao. Our paper focuses on central objects in convex geometry called valuations. We transfer some positivity notions of algebraic cycles recently introduced by Lehmann and Xiao, this allows us to extend the convolution operation defined by Bernig and Fu to a subspace of sufficiently positive valuations.The third chapter is the core of this thesis and focuses on the dynamical degrees of the so-called tame automorphisms of an affine quadric threefold. Our arguments are of various nature and rely on the action of the tame group on a CAT(0), Gromov hyperbolic square complex recently introduced by Bisi, Furter and Lamy. Finally, we have collected in the last chapter a few perpectives directly inspired by this work
Baarsma, Barbara Elisabeth. "Monetary valuation of environmental goods alternatives to contingent valuation /." [Amsterdam : Amsterdam : Thela Thesis] ; Universiteit van Amsterdam [Host], 2000. http://dare.uva.nl/document/83364.
Full textLeung, Chi-wah, and 梁志華. "Performance management of valuation officer in Rating and Valuation Department." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B46758112.
Full textBild, Magnus. "Valuation of takeovers." Doctoral thesis, Stockholm : Economic Research Institute, Stockholm School of Economics [Ekonomiska forskningsinstitutet vid Handelshögsk.] (EFI), 1998. http://www.hhs.se/efi/summary/471.htm.
Full textFujiki, Maso-Hiko. "Pension fund valuation." Thesis, City University London, 1994. http://openaccess.city.ac.uk/7545/.
Full textChernyakova, Irina. "Systems of valuation." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/81659.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (p. 69-75).
The 1972 publication of The Limits to Growth marked a watershed moment in ongoing environmental debates among politicians, economists, scientists, and the public in the postwar period. Sponsored by the Club of Rome, an influential think-tank established in 1968, the report was published against the backdrop of the progressive activism of the 1960s, and prefigured the neo-conservative politics of the 1980s. It represented a decisive moment in that it appeared to reconcile critiques of consumerism and capitalism by linking the limits of global consumption to a finite totality of resources on the planet. As a pre-history to current systems of valuation, this thesis looks at some of the intellectual tendencies that under-girded mindsets such as those manifest in the report. More importantly, it follows the intricate logics and narratives buried within the enigmatic web of geometric symbols and snaking lines that suffuse the writings of systems thinkers, tracing a genealogy of this mode of thought that begins with semiotic language of ecologists Eugene and Howard T. Odum, and of Jay Wright Forrester and the Systems Dynamics Group at MIT, to its manifold ends. These actors will ground the implications of systems theory-in-practice, its implications, and its biases. In doing so, the thesis reconstructs how "environment" was first defined and captured by systems thinking. Navigating through a series of international conferences in which these principles were substantiated, the thesis looks at the ramifications of systems thinking in the present.
by Irina Chernyakova.
S.M.
Buchsteiner, Henri. "Valuation and bubbles." Thesis, University of Cambridge, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.610800.
Full textAcharya, Dixhant. "Transportation Asset Valuation." University of Toledo / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1418387965.
Full textJonsson, Emma, and Linda Samuelsson. "Business Valuation : Valuation of IT-companies in the area of Jönköping." Thesis, Jönköping University, JIBS, Business Administration, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-1322.
Full textBackground:
In Sweden Internet was introduced in 1983 and IT became a popular phe-nomenon in the 1990s. In the middle of this decade IT-companies had a prosperous period. Many companies acquired competitors frequently dur-ing these years in order to build brand names and stay competitive. More than 400 IT-companies went bankrupt during 2001, due to the burst of the IT-bubble. Today, there is no doubt that IT-companies are willing to acquire other companies in the industry. Before an acquisition both the purchaser and seller do a careful valuation of the current company, using different valuation methods. Lately, there are some IT-companies in the area of Jönköping and its surroundings that have carried out acquisitions.
Purpose:
In this thesis IT-companies in the area of Jönköping are considered in or-der to describe what valuation methods that are used when valuing these before an acquisition. Intangible assets are of great importance for this in-dustry. Therefore the aim is also to find out which these are and how they are valued.
Method:
In order to fulfill the purpose a qualitative research is maintained. Primary data is collected from two telephone interviews and six face-to-face inter-views. Three of the interviews are conducted with people working at IT-companies that have carried out an acquisition between 2006 and 2008. The other interviews were performed with people working with business valuation on a daily basis.
Conclusion:
When valuing IT-companies as well as the intangible assets, where good-will is significant due to synergies, the net present value approach is most commonly used. The relative valuation approach is also useful, especially for companies in the early phase of the life cycle since these do not show any historical facts. Within the IT-industry; P/S, P/E, and value per em-ployee, are all useful. The net asset value approach is the most common before a direct acquisition. In this research indirect acquisitions are most often applied.
Bakgrund:
I Sverige introducerades internet 1983 och IT blev ett populärt fenomen under 1990-talet. I mitten av decenniet hade IT-företagen en blomstrande period. Många företag förvärvade konkurrenter ofta för att skapa varu-märke och fortsätta vara konkurrenskraftiga. Över 400 IT-företag gick i konkurs under 2001 på grund av IT-bubblan. Idag är det ingen tvekan om att IT-företag är villiga att förvärva andra företag i denna industri. Innan ett förvärv genomför både förvärvaren och säljaren en noggrann värdering av det aktuella företaget med användning av olika värderingsmetoder. Det finns några IT-företag i Jönköpingsregionen som genomfört företagsför-värv på sista tiden.
Syfte:
Syftet i denna uppsats är att beskriva vilka värderingsmetoder IT-företag i Jönköpingsregionen använder vid värdering innan ett företagsförvärv. Immateriella tillgångar är viktiga i denna industri. Därför är syftet även att identifiera dessa och se hur de värderas.
Metod:
För att uppfylla syftet används en kvalitativ metod. Primärdata är insamlad från två telefonintervjuer och de andra sex på intervjuobjektens kontor. Tre intervjuer genomfördes med personer som arbetar på IT-företag som genomfört företagsförvärv mellan 2006 och 2008. De andra intervjuerna genomfördes med personer som arbetar med företagsvärdering dagligen.
Slutsats:
Vid värdering av IT-företag såväl som de immateriella tillgångarna, främst goodwill tack vare synergier, används i första hand avkastningsvärdering. Relativvärdering är också användbar, särskilt för företag i det tidiga skedet av livscykeln då ingen historisk information finns att tillgå. Inom IT-industrin är; P/S, P/E och värde per anställd, alla användbara. Substans-värdering är vanligast vid ett direkt förvärv. I denna studie är indirekta förvärv oftast förekommande.
McParland, Clare. "European investment valuation practices and implications for the harmonisation of valuation standards." Thesis, University of Ulster, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342318.
Full textMarques, Marcelo Sequeira. "Environmental resources valuation in environmental impact assessment: towards an efficient valuation system." Master's thesis, ISA, 2017. http://hdl.handle.net/10400.5/14834.
Full textEach European Union state member performs analysis on certain projects possible impacts on the environment through the instrument of Environmental Impact Assessment. This procedure has been implemented on each member state level, being altered and improved e several occasions, finding itself under constant evolution. The content of that assessment verified in the correspondent documents of the EIA, specifically in the Environmental Impact Statement, appear to be somewhat subjective, being that the description of the affected environmental resources by the project implementation under that procedure is presented with a certain level of abstraction. This work looks forward to present ways to enhance the objectivity and consequently the clearness of those Environmental Impact Assessments, focusing mainly on demonstrate the valuation the environmental resources affected by the Environmental Impact Assessment project, allowing a better comprehension by the stakeholders about the real value of the pre-existent resources in the area of the project. The great problematic directly linked to the resources valuation is centred in the easy monetary value attribution whenever a resources has a market price counter pointing the remaining non-marketed resources. Such approach involves the adoption of a classification system of ecosystem goods and services, particularly in this case the Common International Classification of Ecosystem Services that comprises the environmental resources considered in the Environmental Impact Assessments Finally the application of the Common International Classification of Ecosystem Services approach integrated in the Environmental Impact Assessment is demonstrated and the valuation of the environmental resources is performed through the benefit transfer method serving as example for the potentiality of this procedure
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Li, Yun. "Natural Gas Storage Valuation." Thesis, Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/19695.
Full textMezentsev, Anton, and Anton Pomelnikov. "Valuation of Installment Options." Thesis, Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-3271.
Full textArmerin, Fredrik. "On cash flow valuation." Licentiate thesis, KTH, Mathematics, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1508.
Full textA fundamental fact in finance and economics is that moneyhas a time value, meaning that if we want to value an amount ofmoney we get at some future date we should discount the amountfrom the future date back to today. When facing a stream ofcash flows occurring at di®erent times we discount each ofthe cash flows using suitable discount rates and then sum thecontributions. This sum of discounted cash flows defines thevalue today of this stream. Most future cash flows that appearin models in finance and economics are assumed to be stochastic(nondefaultable bonds being a counter example). To be able tovalue these stochastic cash flows we also have to takeexpectations. In some cases even the discount rate should bemodelled as a stochastic object. The purpose of the two papersin this licentiate thesis (On the Valuation of Cash FlowsDiscrete Time ModelsandOn the Valuation ofCash FlowsContinuous Time Models) is to establishgeneral properties of the value process. As time passes twothings happen. Firstly, the cash flows that are realised are nomore parts of the value and secondly, the information we canuse to determine the expected cash flows and discount ratesincreases.
The two papers consider discrete time models and continuoustime models respectively.Of course any continuous time modelis necessarily an idealisation. Thus one could argue from amodelling point of view that we should use discrete timemodels. The main reason for using continuous time models isthat we have the powerful machinery of stochastic calculus athand. Discrete time models are mostly used in practice whenvaluing a firm or a project, while the continuous time settingis more frequently used in thoretical approaches to valuation.Most of the results are parallelled in the two papers. Adi®erence is that we discuss some convergence results forthe value in discrete time which do not occur in the continuoustime paper. The reason for not including this in the continuoustime paper is because we find it a more important question indiscrete time. On the other hand the Brownian models incontinuous time, where the Martingale Representation Theorem isan important tool, make the analysis much more transparent.
In both papers we first define the underlying objects: thediscount process and the cash flow process. We then define,using these two processes, the value process (i.e. the expecteddiscounted value of the cash flow stream). We show that thediscounted value tends to zero almost surely, and that thereare three equivalent ways of writing the value process, each ofwhich has its own merits. We also extend this result to thecase when the cash flow process and the value process areevaluated at a stopping time. The first paper, on discrete timemodels, then continues by showing examples from finance,economics, and insurance where the discounted value processplays an important role. Finally we present two propositionswith necessary conditions for the value process to convergealmost surely. The second paper, on continuous time models,discusses some properties of the local dynamics of the valueprocess and then continues with Brownian models. We show thatthe value process can equivalently be expressed as a solutionto a forward-backward stochastic di®erential equation.Finally we show that under some additional assumptions there isa one-to-one correspondance between the cash flow process andthe value process. We also investigate the inverse problem offinding a cash flow process generating a given value processand discuss applications to real options.
Topshee, Dugald. "Nietzsche's theory of valuation." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0001/MQ43330.pdf.
Full textLevin, Joakim. "Essays in company valuation." Doctoral thesis, Stockholm : Economic Research Institute, Stockholm School of Economics [Ekonomiska forskningsinstitutet vid Handelshögsk.] (EFI), 1998. http://urn.kb.se/resolve?urn=urn:nbn:se:hhs:diva-660.
Full textOlsson, Per. "Studies in company valuation." Doctoral thesis, Stockholm : Economic Research Institute, Stockholm School of Economics [Ekonomiska forskningsinstitutet vid Handelshögsk.] (EFI), 1998. http://www.hhs.se/efi/summary/494.htm.
Full textWong, Shy Kuo. "Valuation of financial institutions." Thesis, Lancaster University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.403782.
Full textLyashevska, O. "Quantifying biodiversity for valuation." Thesis, Queen's University Belfast, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.557664.
Full textMollaret, Sébastian. "Collateral choice option valuation." Thesis, KTH, Matematisk statistik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-161068.
Full textRees, William Page. "Accounting, expectations and valuation." Thesis, University of Glasgow, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.395085.
Full textChen, Keji. "Earnings aggregation and valuation." Columbus, OH : Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1059674409.
Full textTitle from first page of PDF file. Document formatted into pages; contains xii, 135 p.: ill. Includes abstract and vita. Co-advisors: Peter D. Easton and Kirk L. Philipich, Dept. of Accounting and Management Information Systems. Includes bibliographical references (p. 127-135).
Topshee, Dugald Carleton University Dissertation Philosophy. "Nietzsche's theory of valuation." Ottawa, 1999.
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