Relevant bibliographies by topics / Mori formalism

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  1. Journal articles
  2. Dissertations / Theses
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  4. Book chapters
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Academic literature on the topic 'Mori formalism'

Author: Grafiati
Published: 4 June 2021
Last updated: 5 February 2022

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Journal articles on the topic "Mori formalism"

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Ayik, S. "Nuclear response function in the Mori formalism." Physical Review Letters 56, no. 1 (January 6, 1986): 38–41. http://dx.doi.org/10.1103/physrevlett.56.38.

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Hijón, Carmen, Pep Español, Eric Vanden-Eijnden, and Rafael Delgado-Buscalioni. "Mori–Zwanzig formalism as a practical computational tool." Faraday Discuss. 144 (2010): 301–22. http://dx.doi.org/10.1039/b902479b.

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Joslin, C. G., and C. G. Gray. "Calculation of transport coefficients using a modified Mori formalism." Molecular Physics 58, no. 4 (July 1986): 789–97. http://dx.doi.org/10.1080/00268978600101571.

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Pires, A. S. T., and M. E. Gouvêa. "Comparing the Mori formalism and the green function methods." Brazilian Journal of Physics 34, no. 3b (September 2004): 1189–92. http://dx.doi.org/10.1590/s0103-97332004000600009.

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Joslin, C. G., and C. G. Gray. "Calculation of transport coefficients using a modified Mori formalism." Molecular Physics 66, no. 4 (March 1989): 757–65. http://dx.doi.org/10.1080/00268978900100501.

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Givon, Dror, Raz Kupferman, and Ole H. Hald. "Existence proof for orthogonal dynamics and the Mori-Zwanzig formalism." Israel Journal of Mathematics 145, no. 1 (December 2005): 221–41. http://dx.doi.org/10.1007/bf02786691.

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Wang, Shu, Zhen Li, and Wenxiao Pan. "Correction: Implicit-solvent coarse-grained modeling for polymer solutions via Mori–Zwanzig formalism." Soft Matter 15, no. 38 (2019): 7733. http://dx.doi.org/10.1039/c9sm90180a.

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Falkena, Swinda K. J., Courtney Quinn, Jan Sieber, Jason Frank, and Henk A. Dijkstra. "Derivation of delay equation climate models using the Mori-Zwanzig formalism." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 475, no. 2227 (July 2019): 20190075. http://dx.doi.org/10.1098/rspa.2019.0075.

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Models incorporating delay have been frequently used to understand climate variability phenomena, but often the delay is introduced through an ad hoc physical reasoning, such as the propagation time of waves. In this paper, the Mori-Zwanzig formalism is introduced as a way to systematically derive delay models from systems of partial differential equations and hence provides a better justification for using these delay-type models. The Mori-Zwanzig technique gives a formal rewriting of the system using a projection onto a set of resolved variables, where the rewritten system contains a memory term. The computation of this memory term requires solving the orthogonal dynamics equation, which represents the unresolved dynamics. For nonlinear systems, it is often not possible to obtain an analytical solution to the orthogonal dynamics and an approximate solution needs to be found. Here, we demonstrate the Mori-Zwanzig technique for a two-strip model of the El Niño Southern Oscillation (ENSO) and explore methods to solve the orthogonal dynamics. The resulting nonlinear delay model contains an additional term compared to previously proposed ad hoc conceptual models. This new term leads to a larger ENSO period, which is closer to that seen in observations.
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Hudson, Thomas, and Xingjie H. Li. "Coarse-Graining of Overdamped Langevin Dynamics via the Mori--Zwanzig Formalism." Multiscale Modeling & Simulation 18, no. 2 (January 2020): 1113–35. http://dx.doi.org/10.1137/18m1222533.

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Wang, Shu, Zhen Li, and Wenxiao Pan. "Implicit-solvent coarse-grained modeling for polymer solutions via Mori-Zwanzig formalism." Soft Matter 15, no. 38 (2019): 7567–82. http://dx.doi.org/10.1039/c9sm01211g.

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Dissertations / Theses on the topic "Mori formalism"

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Halbert, J. T. "A modified Zwanzig-Mori formalism." College Park, Md.: University of Maryland, 2009. http://hdl.handle.net/1903/9571.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2009.
Thesis research directed by: Dept. of Mathematics. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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Hickel, Tilmann. "Theory of many-body effects in the Kondo-lattice model." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2006. http://dx.doi.org/10.18452/15500.

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Das magnetische Verhalten zahlreicher Materialien lässt sich auf eine indirekte Wechselwirkung lokalisierter magnetischer Momente, vermittelt durch die Elektronen eines Leitungsbandes, zurückführen. Das Kondo-Gitter-Modell hat sich als elegante Möglichkeit bewährt, diesen Prozess quantenmechanisch zu beschreiben. Es reduziert die Physik auf eine intraatomare Wechselwirkung der Spins von lokalisierten und itineranten Elektronen. Die vorliegende Arbeit ist den analytischen Eigenschaften dieses Modells gewidmet. Die besondere Herausforderung des Kondo-Gitter-Modells besteht dabei im Zusammenwirken zweier verschiedener Teilchensorten, beschrieben durch Fermi-Operatoren sowie quantenmechanische Spins. Bisherige Untersuchungen haben sich in der Regel nur auf eine der beiden Teilchensorten konzentriert. Mit der Projektions-Operator-Methode stellen wir eine Möglichkeit vor, beide Teilsysteme in gleicher Qualität zu behandeln. Die Auswertung des Teilsystems der itineranten Elektronen führt auf einen Ausdruck für die Selbstenergie, der lineare und quadratische Effekte in der Wechselwirkung exakt beschreibt. Die resultierenden Zustandsdichten weisen starke Korrelationseffekte auf. Deren Untersuchung dient sowohl der Bestätigung von Ergebnissen weniger systematischer Zugänge als auch dem Aufzeigen neuer Vielteilchen-Phänomene. Die Anwendung der Projektions-Operator-Methode auf das System der lokalisierten Momente führt zu einer Analyse der bereits bekannten RPA (random phase approximation). Zu diesem Zweck werden die Magnonenspektren und die Curie-Temperaturen systematisch untersucht. Dabei treten bisher unbekannte Schwachpunkte der RPA zu Tage, die auch die Kombination mit Theorien für das itinerante Teilsystem verhindern. Verbesserungen und Alternativen zur RPA werden diskutiert.
The magnetic behaviour of various materials is due to an indirect interaction of localized magnetic moments, which is based on itinerant electrons in a conduction band. The Kondo-lattice model is an elegant approach for a quantum-mechanical description of this process. It reduces the relevant physics to an intra-atomic exchange interaction of the localized and the itinerant electrons. The aim of the present work is a detailed investigation of analytic properties of this model. Here, the interplay of two distinct types of particles, described by Fermi operators and quantum-mechanical spin operators respectively, is a major challenge of the considered model. Previous studies have focused on one of these subsystems only. Using the projection-operator method, we suggest an efficient way to describe both subsystems on the same level of approximation. An evaluation of the subsystem of itinerant electrons yields an expression for the self-energy, which describes linear and quadratic interaction effects exactly. The densities of states derived with this theory show strong correlation effects. We were able to assess results obtained with less systematic approaches and to predict new many-particle effects. The application of the projection-operator method to the subsystem of localized magnetic moments results in a detailed analysis of the RPA (random phase approximation). The dependence of magnon spectra and Curie temperatures on model parameters are investigated systematically. Previously unknown drawbacks of the RPA are revealed, which prevent the combination of these results with theories for the itinerant subsystem. Improvements beyond RPA and alternative approximations are discussed.
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Hellström, Hannes. ""Jeg vil vise deg verden" : Främmandegöring, språk och uppmärksamhet i Karl Ove Knausgårds Om høsten." Thesis, Uppsala universitet, Litteraturvetenskapliga institutionen, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-431257.

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Uppsatsen undersöker Karl Ove Knausgårds Om høsten med utgångspunkt i Viktor Sjklovskijs främmandegöringsbegrepp och Toril Mois tankar om språk och uppmärksamhet. Huvudsyftet är tvådelat: dels att kombinera Sjklovskijs och Mois begreppsliga kluster som delvis är oppositionella på grund av deras vitt skilda relationer till formalismen. Och dels att använda denna kombination för att analysera Om høsten. Fokus ligger på hur vardagliga objekt och fenomen gestaltas, men också på den metadiskussion som förs genom texten kring uppmärksamhet och automatisering.
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Koutsovasilis, Panagiotis. "Model Order Reduction in Structural Mechanics." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-24551.

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Gegenstand dieser Arbeit ist die Forschungsdisziplin, welche in der Strukturmechanik als Modellordnungsreduktion bekannt ist. Im Mittelpunkt stehen Kopplungsprozesse von starren und elastischen Mehrkörpersystemen - sowohl in theoretischer Hinsicht als auch bezüglich der praktischen Realisation im Rahmen des Finite-Elemente-Programms ANSYS und des Mehrkörpersimulationsprogramms SIMPACK. Eine Vielfalt von strukturerhaltendenMOR-Methoden wurde zum Zwecke des Überblicks dargestellt. Darüber hinaus findet sich eine Kategorisierungsmethodik in Hinsicht auf den später beschriebenen FEM-MKS-Kopplungsprozess. Die Effizienz der MOR-Methoden wird sowohl hinsichtlich der Qualität der ROM als auch bezogen auf die hierfür benötigte Rechenzeit bemessen. Aus diesem Grunde wurden etliche MOR Schemata dargelegt, mit dem Ziel, den Effizienzfaktor während der Berechnung eines ROMs zu maximieren, das heißt maximale Qualität und minimale Rechenzeit zu erzielen. Die Validierung der dynamischen ROM-Eigenschaften basiert auf der Anwendung der sogenannten Modellkorrelationskriterien. Dies wurde an vier Anwendungsbeispielen aus dem Feld der Strukturmechanik getestet: der 3D-Balkenstruktur, der UIC60-Schiene, dem Pleuel und der Kurbelwelle. Die Anwendung der diagonal perturbation-Methodik verbessert die Kondition der Steifigkeitsmatrix eines Modells, von beiden Arten von Lösungsprozeduren, d.h. direkte und iterative Verfahren, betroffen sind. Die dynamische Bewegung mechanischer MKS wird als ein Index-3-DAE-Systemformuliert und die Information über die elastischen Körper wird in Form der sogenannten Standard Input Datei in einen MKS-Code transferriert. Die Einführung des Back-projection-Ansatzes ermöglicht die weitere Verwendung bestimmter ROM-Typen, derren assoziierten physikalische Eigenschaften unangemessen definiert wurden. Zum Abschluss werden die theoretischen, modellierenden und numerischen Fortschritte der Arbeit resümiert und kombiniert im Sinne der Model Order Reduction Package Toolbox (MORPACK). Die Matlab-basierte MORPACK-Toolbox ermöglicht den FEM-MKS-Kopplungsprozess für die Verwendung von ANSYS und SIMPACK. Hierin sind ein Großteil der zuvor erläuterten Erweiterungen eingeschlossen. Mit Hilfe der zwei integrierten inneren MOR- und SID-Schnittstellen als auch der vier Anwendungsebenen wird der Import von freien oder eingespannten ROM in SIMPACK ermöglicht
The research discipline referred to as the Model Order Reduction in structural mechanics is the topic of this Thesis. Special emphasis is given to the coupling process of rigid and elastic Multi Body Dynamics in terms of both the theoretical aspects and the practical realization within the environment of the commercial Finite Element and the Multi Body Systems software packages, ANSYS and SIMPACK respectively. In this regard, a variety of structure preserving Model Order Reduction methods is presented and a categorization methodology is provided in view of the later FEM-MBS coupling process. The algorithmic scheme of several of the MOR methods indicates the capability of generating qualitatively better Reduced Order Models than the standardized Guyan and Component Mode Synthesis approaches. The efficiency of a MOR method is measured in terms of both the quality of the ROM and the associated time required for the .computation Based on the application of the, so called, Model Correlation Criteria the efficiency of the MOR schemes is tested on four application examples originating from the area of structural mechanics, i.e. the 3D elastic solid bar structure, the UIC60 elastic rail, the elastic piston rod, and the elastic crankshaft model. Herewith, the superiority of alternative MOR schemes in comparison to Guyan or CMS methods is demonstrated in terms of the ROM?s quality and the computation time by the use of either the one-step or the two-step MOR algorithms. Numerous of the FE discretized structures suffer from the, so called, ill-conditioned properties regarding the associated stiffness matrix. On one hand, the direct solution of a MOR method might produce erroneous ROMs due to the associated truncation phenomenon and on the other hand, any kind of iterative approach suffers from vast computation times. The application of the diagonal perturbation methodology improves the condition properties of the model?s stiffness matrix and thus, both kinds of the aforementioned solution procedures are affected. The back-projection approach is introduced, which projects the ROM belonging to the Non physical subspace reduction-expansion methods category back onto the physical configuration space and thus, enabling its further usage in a MBS code, e.g. SIMPACK. Finally, the theoretical, modelling, and numerical advancements are combined in terms of the Model Order Reduction Package. The Matlab-based MORPACK toolbox enables the FEM-MBS coupling process for the ANSYS-SIMPACK utilization and herewith, several of the aforementioned enhancements are included. With the help of the two integrated inner interfaces, i.e. MOR and SID, as well as four application levels, the import into SIMPACK of alternatively free or fixed ROMs is enabled. The functionality of MORPACK is demonstrated based on two application examples, namely, the 3D elastic solid bar and the UIC60 elastic rail, the dynamic properties of which are validated prior to their import into SIMPACK
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Farrugia-Jacamon, Audrey. "Investigations moléculaires dans la mort subite du sujet de moins de 35 ans." Phd thesis, Université de Strasbourg, 2012. http://tel.archives-ouvertes.fr/tel-00804339.

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Les canalopathies cardiaques congénitales constituent la principale hypothèse diagnostique dans les cas de mort subite inexpliquée chez les sujets de moins de 35 ans. Notre travail a eu pour objectif demettre au point une stratégie de détection post-mortem des mutations sur les gènes connus pour être impliqués dans les canalopathies cardiaques, applicable en routine, à partir de la principale source d'ADN post-mortem disponible en France à savoir les prélèvements fixés au formol et inclus en paraffine (FFIP). A partir d'une cohorte de 12 cas, deux techniques de détection de variants génétiques ont été évaluées, une technique de criblage par l'analyse des courbes de fusion haute résolution et une technique de génotypage par spectrométrie de masse MALDI-TOF, respectivement sur le gène KCNQ1 et le gène RyR2. Quelle que soit la technique utilisée, il n'est pas possible de s'affranchir du séquençage de type Sanger afin d'explorer les séquences d'intérêts qui n'ont pu être optimisées avec l'une ou l'autre des méthodes à la fois sur les prélèvements congelés et FFIP. L'arrivée des séquenceurs de nouvelles générations ouvrent ainsi de nouvelles perspectives dans ce domaine.
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Paquette, Jay J. "Ultra-Low Dose Antagonist Effects on Cannabinoids and Opioids in Models of Pain: Is Less More?" Thesis, 2007. http://hdl.handle.net/1974/904.

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An ultra-low dose of a drug is approximately 1000-fold lower than the dose range traditionally used to induce a therapeutic effect. The purpose of the present thesis was to broaden the knowledge of the ultra-low dose effect, that was previously identified in the opioid receptor system, by looking at whether opioids and cannabinoids interact at the ultra-low dose level, whether cannabinoid receptors themselves demonstrate the ultra-low dose antagonist effect, and whether the opioid ultra-low dose effect is maintained in a model of persistent, unavoidable pain. For experiment 1, separate groups of Long Evans rats were tested for antinociception following an injection of vehicle, the cannabinoid agonist WIN 55 212-2 (WIN), the opioid antagonist naltrexone (an ultra-low or a high dose), or a combination of WIN and naltrexone doses. Ultra-low dose naltrexone elevated WIN-induced tail flick thresholds without extending its duration of action. In experiment 2, antinociception was tested in rats following either acute or sub-chronic (7 days) injections of vehicle, WIN, ultra-low doses of the CB1 receptor antagonist rimonabant (SR 141716), or a combination of WIN and ultra-low dose rimonabant. Following the chronic experiment, striatal tissue was rapidly extracted and subjected to co-immunoprecipitation to analyse CB1 receptor coupling to G-protein subtypes. Ultra-low dose rimonabant extended the duration of WIN-induced antinociception, and attenuated the development of WIN-induced tolerance. Animals chronically treated with WIN alone had CB1 receptors predominately coupling to Gs proteins, whereas all other groups had CB1 receptors predominately coupling to Gi proteins. For experiment 3, all animals were subjected to the formalin test following either acute or sub-chronic injections of vehicle, the opiate morphine, ultra-low doses naltrexone, or a combination of morphine and ultra-low dose naltrexone. Ultra-low dose naltrexone had no significant effect on morphine-induced pain ratings in either the acute, or sub-chronic drug treatments. This thesis provides evidence that the ultra-low dose effect, including the agonist-induced G-protein coupling switch, extends to another receptor type. This effect may, therefore, be part of a generalized principle that applies to many G-protein coupled receptors.
Thesis (Ph.D, Psychology) -- Queen's University, 2007-11-05 09:31:30.162
A portion of this research was supported by a Canadian Institutes of Health Research (CIHR) Proof of Principle Grant to M.C. Olmstead and J.J. Paquette.
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Books on the topic "Mori formalism"

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Fee, Wilma. Views on the introduction of a more formalised taught doctorate in the University of Ulster. (S.l: The Author), 1994.

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Volkova, Tat'yana. Course of mathematical analysis for undergraduate students of engineering faculties. ru: INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1013010.

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The textbook is prepared on the basis of lectures on mathematical analysis given by the author. The mathematical formalism of the presentation of classical textbooks is not suitable for the perception of a modern student, so the material is presented in a concise and more accessible form for assimilation. Meets the requirements of the federal state educational standards of higher education of the latest generation. For undergraduate students studying in the areas of "Information Systems and Technologies" and "Computer Science and Computer Engineering".
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Haferkamp, Hans-Peter. Legal Formalism and its Critics. Edited by Heikki Pihlajamäki, Markus D. Dubber, and Mark Godfrey. Oxford University Press, 2018. http://dx.doi.org/10.1093/oxfordhb/9780198785521.013.41.

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Formalism is something bad. No one has ever referred to himself or herself as a formalist. Formalism amounts to an accusation and is an expression of anti-formalism. Formalists are portrayed as defending one-sided, often farcical views. Up to this day, this impedes access to the world these formalists inhabited, who actually thought on a more nuanced level than their critics. On top of that, formalism has always been used as a vague, polemic catchphrase, to describe a large number of different problems in a variety of contexts. In order to understand formalism, one must unravel these strands of discourse again. Four problem areas are distinguished on a historical level: anti-formalism as (1) a criticism of logical classifications of the positive law; (2) a criticism of the individualism of private law; (3) a criticism of a jurisprudence and judiciary considered to be out of touch with the world, as well as; (4) a criticism of the model of the separation of powers and the disregard for natural law.
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Detlefsen, Michael. Formalism. Edited by Stewart Shapiro. Oxford University Press, 2009. http://dx.doi.org/10.1093/oxfordhb/9780195325928.003.0008.

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Viewed properly, formalism is not a single viewpoint concerning the nature of mathematics. Rather, it is a family of related viewpoints sharing a common framework—a framework that has five key elements. Among these is its revision of the traditional classification of the mathematical sciences. From ancient times onward, the dominant view of mathematics was that it was divided into different sciences. Principal among these were a science of magnitude (geometry) and a science of multitude (arithmetic). Traditionally, this division of mathematics was augmented by an ordering of the two parts in terms of their relative basicness and which was to be taken as the more paradigmatically mathematical. Here it was geometry that was given the priority. The formalist outlook typically rejected this traditional ordering of the mathematical sciences. Indeed, from the latter half of the nineteenth century onward, it typically reversed it. This reversal is the first component of the formalist framework.
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Faflik, David. Urban Formalism. Fordham University Press, 2020. http://dx.doi.org/10.5422/fordham/9780823288045.001.0001.

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Urban Formalism radically reimagines what it meant to “read” a brave new urban world during the transformative middle decades of the nineteenth century. At a time when contemporaries in the twin capitals of modernity in the West, New York and Paris, were learning to make sense of unfamiliar surroundings, city peoples increasingly looked to the experiential patterns, or forms, from their everyday lives in an attempt to translate urban experience into something they could more easily comprehend. Urban Formalism interrogates both the risks and rewards of an interpretive practice that depended on the mutual relation between urbanism and formalism, at a moment when the subjective experience of the city had reached unprecedented levels of complexity. What did it mean to read a city sidewalk as if it were a literary form, like a poem? On what basis might the material form of a burning block of buildings be received as a pleasurable spectacle? How closely aligned were the ideology and choreography of the political form of a revolutionary street protest? And what were the implications of conceiving of the city’s exciting dynamism in the static visual form of a photographic composition? These are the questions that Urban Formalism asks and begins to answer, with the aim of proposing a revisionist semantics of the city. This book not only provides an original cultural history of forms. It posits a new form of urban history, comprised of the representative rituals of interpretation that have helped give meaningful shape to metropolitan life.
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Henderson, Andrea. Analysis. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198809982.003.0004.

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This chapter argues that British photography of the 1850s and 60s wedded realism—understood as a commitment to descriptive truthfulness—with formalism, or a belief in the defining power of structural relationships. Photographers at mid-century understood the realistic character of photography to be grounded in more than fidelity to detail; the technical properties of the medium accorded perfectly with the claims of contemporary physicists that reality itself was constituted by spatial arrangements and polar forces rather than essential categorical distinctions. The photographs of Clementina, Lady Hawarden exemplify this formalist realism, dramatizing the power of the formal logic of photography not only to represent the real but to reveal its fundamentally formal nature.
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Hengameh, Saberi. Part II Approaches, Ch.21 Yale’s Policy Science and International Law: Between Legal Formalism and Policy Conceptualism. Oxford University Press, 2016. http://dx.doi.org/10.1093/law/9780198701958.003.0022.

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This chapter challenges the conventional narrative about the career of the New Haven School (NHS) by arguing that the mainstream discipline’s rejection of the policy-oriented methodology was not a rejection of policy thinking as such, but rather an opposition to the conceptualism and formulaic determinism of New Haven’s jurisprudence resulting from a peculiar combination of a contextualist methodology and a non-cognitive view of normative values of human dignity. Rather than between law and policy, the tension was between two different perceptions of flexibility and rigidity. This tension resulted from the NHS’s dogmatic and erroneous presentation of what they dubbed ‘traditional’ and ‘rule-oriented’ approaches as formalist and the mainstream discipline’s more accurate understanding of the policy-oriented international law as a new mode of formalism.
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Baxi, Upendra. Sources in the Anti-Formalist Tradition. Edited by Samantha Besson and Jean d’Aspremont. Oxford University Press, 2018. http://dx.doi.org/10.1093/law/9780198745365.003.0011.

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This chapter explores the dialectics of international customary law. It argues that custom is at once a sheet anchor of public international law and its rope of sand as well. The chapter discusses aspects of chapter 9, the Third World Approaches to International Law (TWAIL) contexts of ‘custom’ as the source of international law norms and standards, the jusnaturalist invocation of custom, and the idea of a ‘future’ custom. In addition, the chapter argues that much of the TWAIL thought about resistance and renewal stands to be redirected to the varieties of imperial legal positivisms. It also asks whether the UN Charter principle-and-purposes-centric perspective is a perspective more relevant to our reconceptualization of the role of custom as a source for a future international law.
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Mann, Peter. Hamilton’s Principle in Phase Space. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198822370.003.0015.

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This chapter derives Hamilton’s equations using the Legendre transform and the definition of the Hamiltonian function. While, in the Newtonian formalism, conservation laws were rather difficult to tease out, the Lagrangian formalism revolutionised the way of looking at them; however, the Hamiltonian formalism is perhaps even simpler than the Lagrangian formalism, making it straightforward to identify conservation laws and the symmetries of the system associated with each conserved property. In this chapter, the Hamiltonian is treated as being explicitly dependent on time, as this form is more general and will lead to an important relation that, although not an equation of motion, is still useful to discuss. The chapter also introduces Routhian mechanics as a symplectic reduction technique, using integrals of the motion.
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Buchbinder, Iosif L., and Ilya Shapiro. Introduction to Quantum Field Theory with Applications to Quantum Gravity. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198838319.001.0001.

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This book focuses on quantum field theory and its application to gravitational physics, in both semiclassical and full quantum frameworks, with special attention paid to renormalization, gauge theories and, especially, effective action formalism. Part I provides both conceptual and technical introductions to quantum field theory, starting from elements of group theory, through classical fields, up to effective action formalism in general gauge theories. Compared to other books on this topic, this book describes the general formalism of renormalization in more detail and pays more attention to gauge theories. Part II discusses basic aspects of quantum field theory in curved spacetime and perturbative quantum gravity. More than half of this part is written with a full exposition of details, including well-explained examples with simple calculations. All chapters include exercises, which range from very simple ones to those requiring small original investigations. The material in the second part was selected on the basis of the “must-know” principle: while detailed expositions are provided for relatively simple techniques and calculations, it is expected that the interested reader will be able to learn more advanced issues independently after learning the basic material and working through the exercises provided. In some cases, when more complicated subjects were discussed, the book only provides references for the original publications, where the reader can find the full details of the calculations used.
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Book chapters on the topic "Mori formalism"

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Phillies, George D. J. "Projection Operators and the Mori-Zwanzig Formalism." In Elementary Lectures in Statistical Mechanics, 347–64. New York, NY: Springer New York, 2000. http://dx.doi.org/10.1007/978-1-4612-1264-5_32.

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David, François. "Information, Correlations, and More." In The Formalisms of Quantum Mechanics, 105–48. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-10539-0_5.

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Schmidt, Michael, Eike Albrecht, Hendrike Helbron, and Dmytro Palekhov. "The Proportionate Impact Assessment of the European Commission – Towards More Formalism to Backup “The Environment”." In The European Impact Assessment and the Environment, 85–102. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-11670-4_4.

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Jumakulyyev, Ikram, and Thomas Schultz. "Fourth-Order Anisotropic Diffusion for Inpainting and Image Compression." In Mathematics and Visualization, 99–124. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-56215-1_5.

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AbstractEdge-enhancing diffusion (EED) can reconstruct a close approximation of an original image from a small subset of its pixels. This makes it an attractive foundation for PDE based image compression. In this work, we generalize second-order EED to a fourth-order counterpart. It involves a fourth-order diffusion tensor that is constructed from the regularized image gradient in a similar way as in traditional second-order EED, permitting diffusion along edges, while applying a non-linear diffusivity function across them. We show that our fourth-order diffusion tensor formalism provides a unifying framework for all previous anisotropic fourth-order diffusion based methods, and that it provides additional flexibility. We achieve an efficient implementation using a fast semi-iterative scheme. Experimental results on natural and medical images suggest that our novel fourth-order method produces more accurate reconstructions compared to the existing second-order EED.
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Reid, Lynette. "Antimicrobial Resistance and Social Inequalities in Health: Considerations of Justice." In Ethics and Drug Resistance: Collective Responsibility for Global Public Health, 257–78. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-27874-8_16.

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Abstract Within-country social inequalities in health have widened while global health inequalities have (with some exceptions) narrowed since the Second World War. On commonly accepted prioritarian and sufficientist views of justice and health, these two trends together would be acceptable: the wealthiest of the wealthy are pulling ahead, but the worst off are catching up and more are achieving sufficiency. Such commitments to priority or sufficiency are compatible with a common “development” narrative about economic and social changes that accompany changes (“transitions”) in population health. I set out a very simple version of health egalitarianism (without commitment to any particular current theory of justice) and focus on two common objections to egalitarianism. Priority and sufficiency both address the levelling down and formalism objections, but these objections are distinct: giving content to equality (I argue here) places in question the claimed normative superiority of priority and sufficiency. Using examples of the role of antimicrobials in both these trends – and the future role of AMR – I clarify (first) the multiple forms and dimensions of justice at play in health, and (second) the different mechanisms at work in generating the two current patterns (seen in life course narratives and narratives of political economy). The “accelerated transition” that narrowed global health inequalities is fed by anti-microbials (among other technology transfers). It did not accelerate but replaced the causal processes by which current HICs achieved the transition (growing and shared economic prosperity and widening political franchise). The impact of AMR on widening social inequalities in health in HICs will be complex: inequality has been fed in part by tertiary care enabled by antimicrobials; AMR might erode the solidarity underlying universal health systems as the well-off seek to maintain current expectations of curative and rehabilitative surgery and chemotherapy while AMR mounts. In light of both speculations about the impact of AMR on social and global health inequalities, I close with practical and with theoretical reflection. I briefly indicate the practical importance of understanding AMR from the perspective of health justice for policy response. Then, from a broader perspective, I argue that the content by which I meet the formalism objection demonstrates that the two trends (broadening within-country inequality and narrowing global inequality) are selective and biased samples of a centuries-long pattern of widening social inequalities in health. We are not in the midst of a process of “catching up”. In light of the long-term pattern described here, is the pursuit of sufficiency or priority morally superior to the pursuit of equality as a response to concrete suffering – or do they rationalize a process more objectively described as the best-off continuing to take the largest share of one of the most important benefits of economic development?
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Garrett, Steven L. "The Simple Harmonic Oscillator." In Understanding Acoustics, 59–131. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-44787-8_2.

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Abstract This chapter will introduce a system that is fundamental to our understanding of more physical phenomena than any other. Although the “simple” harmonic oscillator seems to be only the combination of the most mundane components, the formalism developed to explain the behavior of a mass, spring, and damper is used to describe systems that range in size from atoms to oceans. Our investigation goes beyond the “traditional” treatments found in the elementary physics textbooks. For example, the introduction of damping will open a two-way street: a damping element (i.e., a mechanical resistance, Rm) will dissipate the oscillator’s energy, reducing the amplitudes of successive oscillations, but it will also connect the oscillator to the surrounding environment that will return thermal energy to the oscillator. The excitation of a harmonic oscillator by an externally applied force, displacement, or combination of the two will result in a response that is critically dependent upon the relationship between the frequency of excitation and the natural frequency of the oscillator and will introduce the critical concepts of mechanical impedance, resonance, and quality factor. Finally, the harmonic oscillator model will be extended to coupled oscillators that are represented by combinations of several masses and several springs.
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Brison, Jean-Pascal. "p-Wave Superconductivity and d-Vector Representation." In Springer Proceedings in Physics, 165–204. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64623-3_6.

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AbstractSince the mid-80s, new classes of superconductors have been discovered in which the origin of superconductivity cannot be attributed to the electron–ion interactions at the heart of conventional superconductivity. Most of these unconventional superconductors are strongly correlated electron systems, and identifying (or even more difficult, predicting) the precise superconducting state has been, and sometimes remains, an actual challenge. However, in most cases, it has been demonstrated that in these materials the spin state of the Cooper pairs is a singlet state, often associated with a ‘d-wave’ or ‘$$s +/-$$ s + / - ’ orbital state. For a few systems, a spin-triplet state is strongly suspected, like in superfluid $$^3$$ 3 He; this leads to a much more complex superconducting order parameter. This was long supposed to be the case for the d-electron system Sr$$_2$$ 2 RuO$$_4$$ 4 , and is very likely realized in some uranium-based (f-electron) ‘heavy fermions’ like UPt$$_3$$ 3 (with multiple superconducting phases) or UGe$$_2$$ 2 (with coexisting ferromagnetic order). Beyond the interest for these materials, p-wave superconductivity is presently quite fashionable for its topological properties and the prediction that it could host Majorana-like low energy excitations, seen as a route towards robust (topologically protected) qubits. The aim of these notes is to make students and experimentalists more familiar with the d-vector representation used to describe p-wave (spin triplet) superconductivity. The interest of this formalism will be illustrated on some systems where p-wave superconductivity is the prime suspect.
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Wani, Ibrahim J. "United Nations Peacekeeping, Human Rights, and the Protection of Civilians." In The State of Peacebuilding in Africa, 81–99. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-46636-7_6.

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Abstract Drawing on lessons from United Nations (UN) led peacekeeping operations in Africa, this chapter discusses the background and evolution of peacekeeping engagement on issues related to human rights, refugees, and internal displacement; the array of norms and institutions that have developed to formalize the mandate in the UN peacekeeping framework; and the experiences, lessons, and challenges in its implementation. Due to escalating challenges around protecting civilians and human rights violations, the chapter argues that UN peacekeeping must move beyond rhetoric. A genuine commitment to implement the recommendations of the United Nations High-Level Independent Panel on Peace Operations (HIPPO) is a necessary first step. Enhanced mechanisms to compel host states to protect human rights within their borders and more regional engagement on thwarting “spoilers” are among several key follow-on measures.
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"The Zwanzig-Mori-Göotze-Wölfle memory function formalism." In Electronic Transport Theories, 111–33. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.4324/9781315368962-5.

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"From the Mori–Zwanzig formalism to the lineshape model." In The THz Dynamics of Liquids Probed by Inelastic X-Ray Scattering, 117–33. WORLD SCIENTIFIC, 2021. http://dx.doi.org/10.1142/9789813229495_0005.

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Conference papers on the topic "Mori formalism"

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Nigmatullin, Raoul R. "The “Fractional” Kinetic Equations and General Theory of Dielectric Relaxation." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-84647.

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Based on the Mori-Zwanzig formalism it becomes possible to suggest a general decoupling procedure, which reduces a wide set of various micromotions distributed over a self-similar structure to a few collective/reduced motions describing the relaxation/exchange behavior of a complex system in the mesoscale region. The frequency dependence of the reduced collective motion contains real and pair of complex-conjugate power-law exponents in the frequency domain and explains naturally the “universal response” (UR) phenomenon discovered by A. Jonscher in a wide class of heterogeneous materials. This strict mathematical result allows in developing a consistent and general theory of dielectric relaxation that can describe wide set of dielectric spectroscopy (DS) data measured in some frequency/temperature range in many heterogeneous materials. Based on this result it becomes possible also to suggest a new set of two-pole elements, which generalizes the conventional RLC-elements and can constitute the basis of new theory of the linear electric circuits.
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Saiedian, Hossein. "Towards more formalism in software engineering education." In the twenty-fourth SIGCSE technical symposium. New York, New York, USA: ACM Press, 1993. http://dx.doi.org/10.1145/169070.169405.

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Zimba, Carl G. "Two-dimensional correlation spectral analysis: A more generalized formalism." In International symposium on two-dimensional correlation spectroscopy. AIP, 2000. http://dx.doi.org/10.1063/1.1302849.

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Vassiliades, Alexandros, Theodore Patkos, Giorgos Flouris, Antonis Bikakis, Nick Bassiliades, and Dimitris Plexousakis. "Abstract Argumentation Frameworks with Domain Assignments." In Thirtieth International Joint Conference on Artificial Intelligence {IJCAI-21}. California: International Joint Conferences on Artificial Intelligence Organization, 2021. http://dx.doi.org/10.24963/ijcai.2021/286.

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Argumentative discourse rarely consists of opinions whose claims apply universally. As with logical statements, an argument applies to specific objects in the universe or relations among them, and may have exceptions. In this paper, we propose an argumentation formalism that allows associating arguments with a domain of application. Appropriate semantics are given, which formalise the notion of partial argument acceptance, i.e. the set of objects or relations that an argument can be applied to. We show that our proposal is in fact equivalent to the standard Argumentation Frameworks of Dung, but allows a more intuitive and compact expression of some core concepts of commonsense and non-monotonic reasoning, such as the scope of an argument, exceptions, relevance and others.
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Kurfman, Mark A., Robert B. Stone, Mike Van Wie, Kristin L. Wood, and Kevin N. Otto. "Theoretical Underpinnings of Functional Modeling: Preliminary Experimental Studies." In ASME 2000 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/detc2000/dtm-14563.

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Abstract A model of how a product should function to satisfy customers is an essential element in clarifying, identifying, and establishing product architectures. Such functional models greatly enhance the generation of creative form solutions to a chosen architecture. A wider breadth of solutions is generally possible, implementing new and stable technologies. In turn, using the recent concepts of design repositories, the possibilities exist to archive, retrieve, compute, reconfigure, and reason with the product forms. To realize these benefits to the fullest extent possible, functional modeling needs further theoretical development. A formalism of function classes, vocabulary, topologies, and methodology is a first step towards this goal. Recent research efforts have focused on each of these elements, where great strides toward repeatable formalisms have been made. Yet, across the engineering design field, very little active experimentation has been pursued to test the veracity of these elements, individually and as a whole. We address this issue here through a preliminary set of experiments conducted at three separate universities. Design teams and individuals are asked to create functional models, in the context of product development, with and without the formalisms. The outcomes of the modeling effort are analyzed to determine the repeatability of the process. Early results are quite encouraging. Very repeatable results are obtained for three product evolutions, including a toaster, a power screwdriver, and a toy dart gun. In addition, weaknesses in current formalisms are uncovered, pointing to new directions for advancing the field and for carrying out more advanced experimentation.
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James, Peter, Colin Madew, Andrew Goodfellow, and Martin Gallegillo. "R6 V, Vg and RSE-M Estimates of Experimental Failure for Combined Loading." In ASME 2012 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/pvp2012-78722.

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Engineering components which are considered in safety case assessments contain either real or hypothetical crack-like defects that experience combinations of primary and secondary stresses during service. A number of assessment procedures contain simplified numerical approaches to detail the interaction of these stresses under in-service or fault conditions including the R6 procedure used in the UK and the RSE-M Appendix 5.4 (RSE-M) assessment code adopted in France. The R6 procedure and RSE-M approaches are shown to be relatively similar for cases which do not contain secondary loading but differ when treating secondary stresses. It is generally accepted that the R6 procedure in terms of ρ or V is conservative compared to finite element analyses and plant experience; which has driven the development of a new formalism of the R6 V factor, Vg. This new formalism is seen to be more aligned to the RSE-M approach but differs in some cases. The aim of this paper is twofold: 1) to demonstrate the main divergence between the procedures, and 2) to provide experimental comparison between the R6 V, the newly formalised Vg, and the RSE-M approaches under test cases within literature that contain combined primary and secondary loading.
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Zeng, Zhiwei, Zhiqi Shen, Benny Toh Hsiang Tan, Jing Jih Chin, Cyril Leung, Yu Wang, Ying Chi, and Chunyan Miao. "Explainable and Argumentation-based Decision Making with Qualitative Preferences for Diagnostics and Prognostics of Alzheimer's Disease." In 17th International Conference on Principles of Knowledge Representation and Reasoning {KR-2020}. California: International Joint Conferences on Artificial Intelligence Organization, 2020. http://dx.doi.org/10.24963/kr.2020/84.

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Argumentation has gained traction as a formalism to make more transparent decisions and provide formal explanations recently. In this paper, we present an argumentation-based approach to decision making that can support modelling and automated reasoning about complex qualitative preferences and offer dialogical explanations for the decisions made. We first propose Qualitative Preference Decision Frameworks (QPDFs). In a QPDF, we use contextual priority to represent the relative importance of combinations of goals in different contexts and define associated strategies for deriving decision preferences based on prioritized goal combinations. To automate the decision computation, we map QPDFs to Assumption-based Argumentation (ABA) frameworks so that we can utilize existing ABA argumentative engines for our implementation. We implemented our approach for two tasks, diagnostics and prognostics of Alzheimer's Disease (AD), and evaluated it with real-world datasets. For each task, one of our models achieves the highest accuracy and good precision and recall for all classes compared to common machine learning models. Moreover, we study how to formalize argumentation dialogues that give contrastive, focused and selected explanations for the most preferred decisions selected in given contexts.
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Dinar, Mahmoud, and David W. Rosen. "A Design for Additive Manufacturing Ontology." In ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/detc2016-60196.

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Design for additive manufacturing (DFAM) gives designers new freedoms to create complex geometries and combine parts into one. However, it has its own limitations, and more importantly, requires a shift in thinking from traditional design for subtractive manufacturing. There is a lack of formal and structured guidelines, especially for novice designers. To formalize knowledge of DFAM, we have developed an ontology using formal OWL/RDF representations in the Protégé tool. The description logic formalism facilitates expressing domain knowledge as well as capturing information from benchmark studies. This is demonstrated in a case study with three design features: revolute joint, thread assembly (screw connection), and slider-crank. How multiple instances (build events) are stored and retrieved in the knowledge base is discussed in light of modeling requirements for the DFAM knowledge base: knowledge capture and reuse, supporting a tutoring system, integration into CAD tools. A set of competency questions are described to evaluate knowledge retrieval. Examples are given with SPARQL queries. Knowledge documentation is the main objective of the current ontology. However, description logic creates multiple opportunities for future work, including representing and reasoning about DFAM rules in a structured modular hierarchy, discovering new rules with induction, and recognizing patterns with classification, e.g., what leads to “successful” vs. “unsuccessful” fabrications.
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Scott, Michael J., and Erik K. Antonsson. "Formalisms for Negotiation in Engineering Design." In ASME 1996 Design Engineering Technical Conferences and Computers in Engineering Conference. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-detc/dtm-1525.

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Abstract Engineering projects often undergo several design iterations before being completed. Information received from other groups working on a project (analysis, manufacturing, marketing, sales) will often necessitate changes in a design. The interaction between different groups associated with a design project often takes the form of informal “negotiation.” This form of interaction commonly arises when engineering information is imprecise. The Method of Imprecision (MOI) is a formal method for the representation and manipulation of preliminary and imprecise design information. It provides a mechanism for the formalization of these informal negotiations. The nature and scope of informal negotiation in engineering is explored and discussed, and application of the MOI is illustrated with an example.
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Bercher, Pascal, Ron Alford, and Daniel Höller. "A Survey on Hierarchical Planning – One Abstract Idea, Many Concrete Realizations." In Twenty-Eighth International Joint Conference on Artificial Intelligence {IJCAI-19}. California: International Joint Conferences on Artificial Intelligence Organization, 2019. http://dx.doi.org/10.24963/ijcai.2019/875.

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Hierarchical planning has attracted renewed interest in the last couple of years, which led to numerous novel formalisms, problem classes, and theoretical investigations. Yet it is important to differentiate between the various formalisms and problem classes, since they show -- sometimes fundamental -- differences with regard to their expressivity and computational complexity: Some of them can be regarded equivalent to non-hierarchical formalisms while others are clearly more expressive. We survey the most important hierarchical problem classes and explain their differences and similarities. We furthermore give pointers to some of the best-known planning systems capable of solving the respective problem classes.
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Reports on the topic "Mori formalism"

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Shieber, Stuart M., Lauri Karttunen, Fernando C. Pereira, and Martin Kay. More Notes from the Unification Underground: A Second Compilation of Papers on Unification-Based Formalisms. Fort Belvoir, VA: Defense Technical Information Center, August 1985. http://dx.doi.org/10.21236/ada461772.

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Beverinotti, Javier, Gustavo Canavire-Bacarreza, and Alejandro Puerta. Understanding the Growth of the Middle Class in Bolivia. Inter-American Development Bank, July 2021. http://dx.doi.org/10.18235/0003407.

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In this paper we aim to disentangle how sectoral economic growth affects the growth of the middle class size using state-level data of Bolivia from 2000 to 2017, a country with limited data, breaking the three main economic activities into subsectors aiming for more specific results. By means of a Bayesian hierarchical longitudinal model for small samples, we find that the commerce and services sectors have the biggest impact, even though mining and agriculture also have a positive effect on the increase of the middle class in Bolivia. Our results also suggest that both formality and public social investment have a significant, yet smaller, effect.
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Kalache, Sylvain. ¿Cómo preparan los innovadores disruptivos a los estudiantes de hoy para ser la fuerza laboral del mañana?: Soluciones de Holberton para los sistemas de educación superior. Inter-American Development Bank, February 2021. http://dx.doi.org/10.18235/0003052.

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América Latina está entrando en la cuarta revolución industrial, donde el mundo digital controla, cada vez más, al mundo físico. La digitalización de la economía latinoamericana ya iba muy bien encaminada, y la pandemia de COVID-19 ha actuado como un acelerador, obligando a la mayoría de las empresas a dar el paso hacia el universo online o morir. El sistema de educación superior de la región, que no había evolucionado en siglos, ahora no tiene otra opción. Internet, con su crecimiento exponencial, contiene más información de la que necesitamos, haciendo que el conocimiento sea ampliamente accesible, y permitiendo que se acelere la tasa de innovación y cambio. En este contexto, los profesionales necesitan, más que nunca, el conjunto apropiado de habilidades en el momento adecuado, para encontrar un trabajo y mantenerse empleado. La educación basada en clases magistrales y en la memorización no prepara a los estudiantes para el mundo de hoy, y menos aún para el de mañana. Si bien existe una educación de calidad, solo es accesible para una élite. Este artículo examinará cómo una educación de Silicon Valley impulsada por el software, puede resolver los problemas de calidad, accesibilidad y escalabilidad que enfrenta el sistema de educación superior de América Latina, utilizando un proyecto y un enfoque basado en la educación entre iguales, sin profesores formales ni clases magistrales.
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