Results for 'Mareile Drechsler'

19 found
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  1.  60
    Axiomatizing Bounded Rationality: The Priority Heuristic.Mareile Drechsler, Konstantinos Katsikopoulos & Gerd Gigerenzer - 2014 - Theory and Decision 77 (2):183-196.
    This paper presents an axiomatic framework for the priority heuristic, a model of bounded rationality in Selten’s (in: Gigerenzer and Selten (eds.) Bounded rationality: the adaptive toolbox, 2001) spirit of using empirical evidence on heuristics. The priority heuristic predicts actual human choices between risky gambles well. It implies violations of expected utility theory such as common consequence effects, common ratio effects, the fourfold pattern of risk taking and the reflection effect. We present an axiomatization of a parameterized version of the (...)
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  2.  58
    Types of Uncertainty.Richard Bradley & Mareile Drechsler - 2014 - Erkenntnis 79 (6):1225-1248.
    We distinguish three qualitatively different types of uncertainty—ethical, option and state space uncertainty—that are distinct from state uncertainty, the empirical uncertainty that is typically measured by a probability function on states of the world. Ethical uncertainty arises if the agent cannot assign precise utilities to consequences. Option uncertainty arises when the agent does not know what precise consequence an act has at every state. Finally, state space uncertainty exists when the agent is unsure how to construct an exhaustive state space. (...)
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  3.  3
    Are Treatment Effects of Neurofeedback Training in Children with ADHD Related to the Successful Regulation of Brain Activity? A Review on the Learning of Regulation of Brain Activity and a Contribution to the Discussion on Specificity.Agnieszka Zuberer, Daniel Brandeis & Renate Drechsler - 2015 - Frontiers in Human Neuroscience 9.
  4.  70
    Broken Weyl Invariance and the Origin of Mass.W. Drechsler & H. Tann - 1999 - Foundations of Physics 29 (7):1023-1064.
    A massless Weyl-invariant dynamics of a scalar, a Dirac spinor, and electromagnetic fields is formulated in a Weyl space, W4, allowing for conformal rescalings of the metric and of all fields with nontrivial Weyl weight together with the associated transformations of the Weyl vector fields κμ, representing the D(1) gauge fields, with D(1) denoting the dilatation group. To study the appearance of nonzero masses in the theory the Weyl symmetry is broken explicitly and the corresponding reduction of the Weyl space (...)
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  5.  49
    Mass Generation by Weyl Symmetry Breaking.Wolfgang Drechsler - 1999 - Foundations of Physics 29 (9):1327-1369.
    A massless electroweak theory for leptons is formulated in a Weyl space, W4, yielding a Weyl invariant dynamics of a scalar field φ, chiral Dirac fermion fields ψL and ψR, and the gauge fields κμ, Aμ, Zμ, Wμ, and Wμ †, allowing for conformal rescalings of the metric gμν and all fields with nonvanishing Weyl weight together with the corresponding transformations of the Weyl vector fields, κμ, representing the D(1) or dilatation gauge fields. The local group structure of this Weyl (...)
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  6.  6
    Political Semiotics.Wolfgang Drechsler - 2009 - Semiotica 2009 (173):73-97.
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  7.  6
    How to Kill Jokes Cognitively? The Meaning Structure of Jokes.Shulamith Kreitler, Iris Drechsler & Hans Kreitler - 1988 - Semiotica 68 (3-4):297-320.
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  8.  17
    Classical Versus Quantum Gravity.Wolfgang Drechsler - 1993 - Foundations of Physics 23 (2):261-276.
    Is Einstein's metric theory of gravitation to be quantized to yield a complete and logically consistent picture of the geometry of the real world in the presence of quantized material sources? To answer this question, we give arguments that there is a consistent way to extend general relativity to small distances by incorporating further geometric quantities at the level of the connection into the theory and introducing corresponding field equations for their determination, allowing thereby the metric and the Levi-Civita connection (...)
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  9.  7
    Currents in a Theory of Strong Interaction Based on a Fiber Bundle Geometry.W. Drechsler - 1977 - Foundations of Physics 7 (9-10):629-671.
    A fiber bundle constructed over spacetime is used as the basic underlying framework for a differential geometric description of extended hadrons. The bundle has a Cartan connection and possesses the de Sitter groupSO(4, 1) as structural group, operating as a group of motion in a locally defined space of constant curvature (the fiber) characterized by a radius of curvatureR≈10−13 cm related to the strong interactions. A hadronic matter field ω(x, ζ) is defined on the bundle space, withx the spacetime coordinate (...)
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  10.  14
    Stefano Marino , Gadamer and the Limits of Modern Techno-Scientific Civilization . Reviewed By.Wolfgang Drechsler - 2013 - Philosophy in Review 33 (2):146-147.
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  11.  10
    Modified Weyl Theory and Extended Elementary Objects.W. Drechsler - 1989 - Foundations of Physics 19 (12):1479-1497.
    To represent extension of objects in particle physics, a modified Weyl theory is used by gauging the curvature radius of the local fibers in a soldered bundle over space-time possessing a homogeneous space G/H of the (4, 1)-de Sitter group G as fiber. Objects with extension determined by a fundamental length parameter R0 appear as islands D(i) in space-time characterized by a geometry of the Cartan-Weyl type (i.e., involving torsion and modified Weyl degrees of freedom). Farther away from the domains (...)
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  12.  5
    Geometrie Und Materie — Ist Einsteins Vision Übertragbar Auf Die Elementarteilchenphysik?Wolfgang Drechsler - 1984 - Journal for General Philosophy of Science / Zeitschrift für Allgemeine Wissenschaftstheorie 15 (1):1-21.
    Summary The philosophical implications associated with the choice of a particular geometry required for the formulation of a dynamics at subnuclear distances are discussed. A dualism between geometry and matter — the former identified with a fiber bundle of Cartan type raised over space-time, the latter represented by a generalized quantum mechanical wave function — is presented as a possible framework for the dynamics of strongly interacting particles at distances of 10-13 cm.
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  13. The Philosophy of Hans-Georg Gadamer (Book Review).Wolfgang Drechsler - 1998 - Σημιοτκή-Sign Systems Studies 1:425-436.
     
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  14.  4
    Geometro-Stochastic Quantization of a Theory for Extended Elementary Objects.Wolfgang Drechsler & Eduard Prugovečki - 1991 - Foundations of Physics 21 (5):513-546.
    The geometro-stochastic quantization of a gauge theory based on the (4,1)-de Sitter group is presented. The theory contains an intrinsic elementary length parameter R of geometric origin taken to be of a size typical for hadron physics. Use is made of a soldered Hilbert bundle ℋ over curved spacetime carrying a phase space representation of SO(4, 1) with the Lorentz subgroup related to a vierbein formulation of gravitation. The typical fiber of ℋ is a resolution kernel Hilbert space ℋ $_{\bar (...)
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  15.  3
    Quantized Fiber Dynamics for Extended Elementary Objects Involving Gravitation.W. Drechsler - 1992 - Foundations of Physics 22 (8):1041-1077.
    The geometro-stochastic quantization of a gauge theory for extended objects based on the (4, 1)-de Sitter group is used for the description of quantized matter in interaction with gravitation. In this context a Hilbert bundle ℋ over curved space-time B is introduced, possessing the standard fiber ℋ $_{\bar \eta }^{(\rho )} $ , being a resolution kernel Hilbert space (with resolution generator $\tilde \eta $ and generalized coherent state basis) carrying a spin-zero phase space representation of G=SO(4, 1) belonging to (...)
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  16. Chris Lawn, Gadamer: A Guide for the Perplexed.W. Drechsler - 2007 - Philosophy in Review 27 (2):124.
     
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  17. Geometrie und Materie — Ist Einsteins Vision übertragbar auf die Elementarteilchenphysik?Wolfgang Drechsler - 1984 - Zeitschrift Für Allgemeine Wissenschaftstheorie 15 (1):1-21.
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  18. Hubert L. Dreyfus, On the Internet Reviewed By.Wolfgang Drechsler - 2002 - Philosophy in Review 22 (2):86-89.
     
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  19.  17
    Functional Realization and Nonlinear Induced Representation in the Geometrodifferential Conception of Extended Particles.M. Hachemane, A. Smida & R. Djelid - 1999 - Foundations of Physics 29 (9):1479-1495.
    In a model of extended particles described by Minkowski space-time variables x, de Sitter internal variables ξ, a physical wave Ψ x (ξ) representing the proper characteristics of the particles, and a functional wave X [ Ψ ] giving previsions, we study functional propagation of X in the space of physical waves (as advocated by a quantum functional theory) as well as the nonlinear realization of the internal de Sitter group on its Lorentz subgroup (introduced by Drechsler). The first (...)
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