Results for 'Matrix theory. '

999 found
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  1.  4
    AnS matrix theory for classical nonlinear physics.J. Glimm & D. H. Sharp - 1986 - Foundations of Physics 16 (2):125-141.
    The basic concepts appropriate for anS matrix theory for classical nonlinear physics are formulated here. These concepts are illustrated by a discussion of shock wave diffraction patterns. Other information concerning solutions of non-linear conservation laws is surveyed, so that a coherent picture of this theory can be seen. Within thisS matrix framework, a number of open problems as well as a few solved ones will be discussed.
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  2.  9
    Matrix Theory before Schrodinger: Philosophy, Problems, Consequences.Mara Beller - 1983 - Isis 74:469-491.
  3.  9
    Matrix Theory before Schrodinger: Philosophy, Problems, Consequences.Mara Beller - 1983 - Isis 74 (4):469-491.
  4.  83
    Art-matrix theory and cognitive distance: Farago, Preziosi, and Gell on art and enchantment.Jakub Stejskal - 2015 - Journal of Art Historiography 13:1-18.
    Recent theories of art that subscribe to the view that art objects are agents enchanting their target audience, have tended to explain the operation of art objects as an agent–patient dynamic, a causal nexus of agency. They face a challenge, however, when they also aspire to embrace the idea – dominant in modernist and contemporary art theory – that the function of art is to unsettle its spectators’ habitual ways of perceiving and understanding, that is, to disenchant them: If artworks (...)
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  5.  9
    From S -matrix theory to strings: Scattering data and the commitment to non-arbitrariness.Robert van Leeuwen - 2024 - Studies in History and Philosophy of Science Part A 104 (C):130-149.
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  6.  9
    Theory construction and selection in modern physics: the S matrix.James T. Cushing - 1990 - New York: Cambridge University Press.
    One of the major philosophical problems in physical sciences is what criteria should determine how scientific theories are selected and justified in practice and whether, in describing observable physical phenomena, such theories are effectively constrained to be unique. This book studies the example of a particular theory, the S-matrix theory. The S-matrix program was initiated by Heisenberg to deal with difficulties encountered in quantum field theories in describing particular phenomena. Since then, each theory has at different times been (...)
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  7.  3
    Euclidean random matrix theory: low-frequency non-analyticities and Rayleigh scattering.Carl Ganter & Walter Schirmacher - 2011 - Philosophical Magazine 91 (13-15):1894-1909.
  8.  5
    A Note on Boolean Matrix Theory.R. Duncan Luce - 1956 - Journal of Symbolic Logic 21 (1):102-103.
  9.  6
    The reggeization program 1962–1982: Attempts at reconciling quantum field theory with S-matrix theory.Tian Yu Cao - 1991 - Archive for History of Exact Sciences 41 (3):239-283.
  10. The realm of continued emergence: The semiotics of George Herbert Mead and its implications to biosemiotics, semiotic matrix theory, and ecological et.Jorge Conesa-Sevilla - 2005 - Sign Systems Studies 1:27-52.
     
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  11.  7
    Matrix logic and mind: a probe into a unified theory of mind and matter.August Stern - 1992 - New York: Distributors for the U.S. and Canada, Elsevier Science Pub. Co..
    In this revolutionary work, the author sets the stage for the science of the 21st Century, pursuing an unprecedented synthesis of fields previously considered unrelated. Beginning with simple classical concepts, he ends with a complex multidisciplinary theory requiring a high level of abstraction. The work progresses across the sciences in several multidisciplinary directions: Mathematical logic, fundamental physics, computer science and the theory of intelligence. Extraordinarily enough, the author breaks new ground in all these fields. In the field of fundamental physics (...)
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  12.  7
    The matrix of visual culture: working with Deleuze in film theory.Patricia Pisters - 2003 - Stanford, Calif.: Stanford University Press.
    This book explores Gilles Deleuze's contribution to film theory. According to Deleuze, we have come to live in a universe that could be described as metacinematic. His conception of images implies a new kind of camera consciousness, one that determines our perceptions and sense of selves: aspects of our subjectivities are formed in, for instance, action-images, affection-images and time-images. We live in a matrix of visual culture that is always moving and changing. Each image is always connected to an (...)
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  13.  4
    Matrix formulation of special relativity in classical mechanics and electromagnetic theory.Authur A. Frost - 1975 - Foundations of Physics 5 (4):619-641.
    The two-component spinor theory of van der Waerden is put into a convenient matrix notation. The mathematical relations among various types of matrices and the rule for forming covariant expressions are developed. Relativistic equations of classical mechanics and electricity and magnetism are expressed in this notation. In this formulation the distinction between time and space coordinates in the four-dimensional space-time continuum falls out naturally from the assumption that a four-vector is represented by a Hermitian matrix. The indefinite metric (...)
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  14.  2
    Review: R. Duncan Luce, A Note on Boolean Matrix Theory. [REVIEW]Zdzisław Pawlak - 1956 - Journal of Symbolic Logic 21 (1):102-103.
  15.  2
    Luce R. Duncan. A note on Boolean matrix theory. Proceedings of the American Mathematical Society, vol. 3 , pp. 382–388. [REVIEW]Zdzisław Pawlak - 1956 - Journal of Symbolic Logic 21 (1):102-103.
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  16.  6
    Matrix models as non-local hidden variables theories.Lee Smolin - unknown
    It is shown that the matrix models which give non-perturbative definitions of string and M theory may be interpreted as non-local hidden variables theories in which the quantum observables are the eigenvalues of the matrices while their entries are the non-local hidden variables. This is shown by studying the bosonic matrix model at finite temperature, with T taken to scale as 1/N, with N the rank of the matrices. For large N the eigenvalues of the matrices undergo Brownian (...)
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  17. Density Matrix Realism.Eddy Keming Chen - 2024
    Realism about quantum theory naturally leads to realism about the quantum state of the universe. It leaves open whether it is a pure state represented by a wave function, or an impure one represented by a density matrix. I characterize and elaborate on Density Matrix Realism, the thesis that the universal quantum state is objective but can be impure. To clarify the thesis, I compare it with Wave Function Realism, explain the conditions under which they are empirically equivalent, (...)
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  18. Theory Construction and Selection in Modern Physics: The S Matrix.James T. Cushing - 1992 - British Journal for the Philosophy of Science 43 (3):431-433.
     
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  19.  8
    Sustainability Matrix: Interest Groups and Ethical Theories as the Basis of Decision-Making.Markus Vinnari, Eija Vinnari & Saara Kupsala - 2017 - Journal of Agricultural and Environmental Ethics 30 (3):349-366.
    During the past few decades, the global food system has confronted new sustainability challenges related not only to public health and the environment but also to ethical concerns over the treatment of farmed animals. However, the traditional threedimensional framework of sustainable development is ill equipped to take ethical concerns related to non-human animals into account. For instance, the interests of farmed animals are often overridden by objectives associated with social, economic or environmental sustainability, despite their vast numbers and influence on (...)
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  20.  3
    A Theory of Legal Matrix.Yongliu Zheng - 2016 - Archiv Für Rechts- Und Sozialphilosphie 102 (1):58-76.
    This article endeavors to propose a legal matrix, the horizontal axis of which represents the structure of legal studies, which consists of doctrinal and non-doctrinal legal knowledge. Non-doctrinal knowledge provides empirical demonstration and legitimacy judgment, but only within the framework set by legal doctrine can it be transformed to legal/illegal judgment. The vertical axis of the matrix measures the extent of application of the legal studies. Differentiated from other disciplines, especially the natural science, the various branches of legal (...)
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  21.  6
    Why were two theories (matrix mechanics and wave mechanics) deemed logically distinct, and yet equivalent, in quantum mechanics?Slobodan Perovic - 2008 - In Christopher Lehrer (ed.), First Annual Conference in the Foundations and History of Quantum Physics. Max Planck Institute for History of Science.
    A recent rethinking of the early history of Quantum Mechanics deemed the late 1920s agreement on the equivalence of Matrix Mechanics and Wave Mechanics, prompted by Schrödinger’s 1926 proof, a myth. Schrödinger supposedly failed to achieve the goal of proving isomorphism of the mathematical structures of the two theories, while only later developments in the early 1930s, especially the work of mathematician John von Neumman (1932) provided sound proof of equivalence. The alleged agreement about the Copenhagen Interpretation, predicated to (...)
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  22.  4
    S-matrix elements for Gauge theories with and without implemented constraints.Kurt Haller - 1997 - Foundations of Physics 27 (2):305-313.
    We derive an expression for the relation between two scattering transition amplitudes which, reflect the same dynamics, but which differ in the description of their initial and final state vectors. In one version, the incident and scattered states are elements of a perturbative Fock space, and solve the eigenvalue problem for the “free” pari of the Hamiltonian—the part that remains after the interactions between particle excitations have been “switched off”. Alternatively, the incident and scattered states may be coherent state that (...)
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  23.  7
    Matrix representation of Husserl's part-whole-foundation theory.Richard Blecksmith & Gilbert Null - 1990 - Notre Dame Journal of Formal Logic 32 (1):87-111.
  24.  2
    The Matrix Ate My Baby. (Educational Futures: Rethinking theory and practice. Volume 15.) ‐ by Gibbons, A.Dan Cloney - 2009 - Educational Philosophy and Theory 41 (5):597-598.
  25.  1
    Matrix and Line: Derrida and the Possibilities of Postmodern Social Theory (review).Paul Trembath - 1993 - Philosophy and Literature 17 (2):388-389.
  26.  3
    The matrix ate my baby. (Educational futures: Rethinking theory and practice. Volume 15.) - by Gibbons, a.Dan Cloney - 2009 - Educational Philosophy and Theory 41 (5):597-598.
  27.  7
    Model theory of strictly upper triangular matrix rings.William H. Wheeler - 1980 - Journal of Symbolic Logic 45 (3):455-463.
  28.  5
    The Cybernetic Matrix of `French Theory'.Céline Lafontaine - 2007 - Theory, Culture and Society 24 (5):27-46.
    This article aims to draw a portrait of the influence of cybernetics on soft science. To this end, structuralism, post-structuralism and postmodern philosophy will be successively analyzed in a perspective based on importing concepts stemming from the cybernetic paradigm. By focusing more specifically on the American postwar context, we intend to remind the audience that many soft science specialists were involved in the elaboration of this ‘new science’. We will then retrace the influence of the cybernetic paradigm on structuralism. Starting (...)
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  29.  52
    Estimation and application of matrix eigenvalues based on deep neural network.Zhiying Hu - 2022 - Journal of Intelligent Systems 31 (1):1246-1261.
    In today’s era of rapid development in science and technology, the development of digital technology has increasingly higher requirements for data processing functions. The matrix signal commonly used in engineering applications also puts forward higher requirements for processing speed. The eigenvalues of the matrix represent many characteristics of the matrix. Its mathematical meaning represents the expansion of the inherent vector, and its physical meaning represents the spectrum of vibration. The eigenvalue of a matrix is the focus (...)
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  30. The Wentaculus: Density Matrix Realism Meets the Arrow of Time.Eddy Keming Chen - manuscript
    Two of the most difficult problems in the foundations of physics are (1) what gives rise to the arrow of time and (2) what the ontology of quantum mechanics is. They are difficult because the fundamental dynamical laws of physics do not privilege an arrow of time, and the quantum-mechanical wave function describes a high-dimensional reality that is radically different from our ordinary experiences. -/- In this paper, I characterize and elaborate on the ``Wentaculus” theory, a new approach to time’s (...)
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  31.  2
    [Book review] matrix and line, Derrida and the possibilities of postmodern social theory. [REVIEW]Bill Martin - 1993 - Social Theory and Practice 19:93-109.
    Matrix and line develops a social theory using the work of Jacques Derrida as its philosophical basis. In particular, notions of differance, writing, textuality, margin, dissemination, gramme, and others are integrated into the project of formulating a new language of politics. At the same time, the study is focused on the politics in/of language. ;The question of language is at the heart of this study. In the central chapter I argue that, although Habermas is correct to orient social theory (...)
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  32.  2
    The matrix project.Thierry Lagrange - 2018 - [Ghent]: AraMER.
    'The Matrix Project' comprises two contexts, namely photographic work of architect Thierry Lagrange and the self-reflective trajectory that he developed during his doctorate at KULeuven. Lagrange's practice-based research developed to an autonomous artistic project, in which he studied the signification and nature of observation within a creative process. Through his multifaceted practice as an architect, photographer and researcher, Lagrange developed 'The Matrix Method'; a method that stimulates creativity within different contexts and can be implemented for example in art (...)
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  33.  13
    The Matrix of Gendered Islamophobia: Muslim Women’s Repression and Resistance.Sabrina Alimahomed-Wilson - 2020 - Gender and Society 34 (4):648-678.
    Drawing on 75 semi-structured qualitative interviews with Arab, South Asian, and Black Muslim women social justice activists, ages 18–30 years, organizing in the United States and the United Kingdom, I theorize their experiences as the basis of the matrix of gendered Islamophobia. Building upon Jasmine Zine’s concept of gendered Islamophobia, I synthesize this concept with Patricia Hill Collins’s theory of the matrix of domination to give a more in-depth and nuanced structure of how gendered Islamophobia operates and is (...)
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  34.  4
    Theory Construction and Selection in Modern Physics: The S Matrix by James T. Cushing. [REVIEW]Tian Cao - 1992 - Isis 83:682-684.
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  35.  3
    Matrix logic.August Stern - 1988 - New York, N.Y., U.S.A.: Sole distributors for the U.S.A. and Canada, Elsevier.
    In this pioneering work, the author develops a fundamental formulation of logic in terms of theory of matrices and vector spaces. The discovery of matrix logic represents a landmark in the further formalization of logic. For the first time the power of direct mathematical computation is applied to the whole set of logic operations, allowing the derivation of both the classical and modal logics from the same formal base. The new formalism allows the author to enlarge the alphabet of (...)
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  36.  6
    The Density Matrix in the de Broglie--Bohm Approach.O. J. E. Maroney - 2005 - Foundations of Physics 35 (3):493-510.
    If the density matrix is treated as an objective description of individual systems, it may become possible to attribute the same objective significance to statistical mechanical properties, such as entropy or temperature, as to properties such as mass or energy. It is shown that the de Broglie--Bohm interpretation of quantum theory can be consistently applied to density matrices as a description of individual systems. The resultant trajectories are examined for the case of the delayed choice interferometer, for which Bell (...)
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  37.  12
    Matrix models and poetic verses of the human mind.Matthew He - 2023 - New Jersey: World Scientific Publishing Co. Pte..
    In this multidisciplinary book, mathematician Matthew He provides integrative perspectives of algebraic biology, cognitive informatics, and poetic expressions of the human mind. Using classical Pythagorean Theorem and contemporary Category Theory, the proposed matrix models of the human mind connect three domains of the physical space of objective matters, mental space of subjective meanings, and emotional space of bijective modes; draws the connections between neural sparks and idea points, between synapses and idea lines, and between action potentials and frequency curves.
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  38. Quantum States of a Time-Asymmetric Universe: Wave Function, Density Matrix, and Empirical Equivalence.Eddy Keming Chen - 2019 - Dissertation, Rutgers University - New Brunswick
    What is the quantum state of the universe? Although there have been several interesting suggestions, the question remains open. In this paper, I consider a natural choice for the universal quantum state arising from the Past Hypothesis, a boundary condition that accounts for the time-asymmetry of the universe. The natural choice is given not by a wave function but by a density matrix. I begin by classifying quantum theories into two types: theories with a fundamental wave function and theories (...)
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  39.  6
    Bill Martin., Matrix and Line: Derrida and the Possibilities of Postmodern Social Theory.Norman K. Denzin - 1994 - International Studies in Philosophy 26 (4):146-147.
  40.  1
    A structural theory of matrix-defined finite automata.R. Nowakowski - 1965 - Studia Logica 16 (1):115-116.
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  41.  9
    Patricia Pisters (2003) The Matrix of Visual Culture: Working with Deleuze in Film Theory.D. H. Fleming - 2009 - Film-Philosophy 13 (1):145-155.
  42.  7
    The Q-Matrix Anchored Mixture Rasch Model.Ming-Chi Tseng & Wen-Chung Wang - 2021 - Frontiers in Psychology 12.
    Mixture item response theory models include a mixture of latent subpopulations such that there are qualitative differences between subgroups but within each subpopulation the measure model based on a continuous latent variable holds. Under this modeling framework, students can be characterized by both their location on a continuous latent variable and by their latent class membership according to Students’ responses. It is important to identify anchor items for constructing a common scale between latent classes beforehand under the mixture IRT framework. (...)
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  43.  9
    The Heterosexual Matrix as Imperial Effect.Vrushali Patil - 2018 - Sociological Theory 36 (1):1-26.
    While Judith Butler’s concept of the heterosexual matrix is dominant in gender and sexuality studies, it is a curiously aspatial and atemporal concept. This paper seeks to re-embed it within space and time by situating its emergence within colonial and imperial histories. Based on this discussion, it ends with three lessons for contemporary work on gender and sexuality and a broader theorization of sex-gender-sexuality regimes beyond the heterosexual matrix.
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  44. The Sleeper Awakes: Gnosis and Authenticity in The Matrix.David P. Hunt - 2007 - In Faith, Film, and Philosophy: Big Ideas on the Big Screen. Downers Grove, IL, USA: InterVarsity Press. pp. 89-105.
    I first argue that the Matrix trilogy is a Gnostic cyber-epic; I then use this interpretive lens to review the films' treatment of fundamental questions in epistemology, metaphysics, and value theory.
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  45.  4
    Foundations of Quantum Theory: From Classical Concepts to Operator Algebras.Klaas Landsman - 2017 - Cham: Imprint: Springer.
    This book studies the foundations of quantum theory through its relationship to classical physics. This idea goes back to the Copenhagen Interpretation (in the original version due to Bohr and Heisenberg), which the author relates to the mathematical formalism of operator algebras originally created by von Neumann. The book therefore includes comprehensive appendices on functional analysis and C*-algebras, as well as a briefer one on logic, category theory, and topos theory. Matters of foundational as well as mathematical interest that are (...)
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  46. The Ideological Matrix of Science: Natural Selection and Immunity as Case Studies.Agustin Ostachuk - 2019 - Cosmos and History: The Journal of Natural and Social Philosophy 15 (1):182-213.
    The modern concept of ideology was established by the liberal politician and philosopher Destutt de Tracy, with the objective of creating an all-embracing and general science of ideas, which followed the sensualist and empiricist trend initiated by Locke that culminated in the positivism of Comte. Natural selection and immunity are two key concepts in the history of biology that were strongly based on the Malthusian concept of struggle for existence. This concept wrongly assumed that population grew faster than the means (...)
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  47.  8
    Referentiality and Matrix Semantics.Grzegorz Malinowski - 2011 - Studia Logica 97 (2):297 - 312.
    Referential semantics importantly subscribes to the programme of theory of logical calculi. Defined by Wójcicki in [8], it has been subsequently studied in a series of papers of the author, till the full exposition of the framework in [9] and its intuitive characterisation in [10]. The aim of the article is to present several generalizations of referential semantics as compared and related to the matrix semantics for propositional logics. We show, in a uniform way, some own generalizations of referentiality: (...)
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  48.  13
    Why were Matrix Mechanics and Wave Mechanics considered equivalent?Slobodan Perovic - 2008 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 39 (2):444-461.
    A recent rethinking of the early history of Quantum Mechanics deemed the late 1920s agreement on the equivalence of Matrix Mechanics and Wave Mechanics, prompted by Schrödinger's 1926 proof, a myth. Schrödinger supposedly failed to prove isomorphism, or even a weaker equivalence (“Schrödinger-equivalence”) of the mathematical structures of the two theories; developments in the early 1930s, especially the work of mathematician von Neumann provided sound proof of mathematical equivalence. The alleged agreement about the Copenhagen Interpretation, predicated to a large (...)
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  49.  4
    The Matrix and Meaning of Character: An Archetypal and Developmental Approach.Nancy J. Dougherty & Jacqueline J. West - 2007 - Routledge.
    Character structures underlie everyone’s personality. When rigidly defended, they limit us; yet as they become more flexible, they can reveal sources of animation, renewal and authenticity. _The Matrix and Meaning of Character_ guides the reader into an awareness of the archetypal depths that underlie character structures, presenting an original developmental model in which current analytic theories are synthesised. The authors examine nine character structures, animating them with fairy tales, mythic images and case material, creating a bridge between the traditional (...)
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  50.  3
    Causality and Dispersion Relations and the Role of the S-Matrix in the Ongoing Research.Bert Schroer - 2012 - Foundations of Physics 42 (12):1481-1522.
    The adaptation of the Kramers-Kronig dispersion relations to the causal localization structure of QFT led to an important project in particle physics, the only one with a successful closure. The same cannot be said about the subsequent attempts to formulate particle physics as a pure S-matrix project.The feasibility of a pure S-matrix approach are critically analyzed and their serious shortcomings are highlighted. Whereas the conceptual/mathematical demands of renormalized perturbation theory are modest and misunderstandings could easily be corrected, the (...)
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