Results for 'Infinite Spacetime'

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  1. Quentin Smith.Moral Realism, Infinite Spacetime & Imply Moral Nihilism - 2003 - In Heather Dyke (ed.), Time and Ethics: Essays at the Intersection. Kluwer Academic Publishers.
     
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  2. Moral Realism and Infinite Spacetime Imply Moral Nihilism.Quentin Smith - 2003 - In Heather Dyke (ed.), Time and Ethics: Essays at the Intersection. Kluwer Academic Publishers. pp. 43--54.
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  3.  66
    Kinematics of a Spacetime with an Infinite Cosmological Constant.R. Aldrovandi, A. L. Barbosa, M. Calçada & J. G. Pereira - 2003 - Foundations of Physics 33 (4):613-624.
    A solution of the sourceless Einstein's equation with an infinite value for the cosmological constant Λ is discussed by using Inönü–Wigner contractions of the de Sitter groups and spaces. When Λ→∞, spacetime becomes a four-dimensional cone, dual to Minkowski space by a spacetime inversion. This inversion relates the four-cone vertex to the infinity of Minkowski space, and the four-cone infinity to the Minkowski light-cone. The non-relativistic limit c→∞ is further considered, the kinematical group in this case being (...)
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  4.  32
    Probing spacetime with a holographic relation between spacetime and entanglement.Rasmus Jaksland - unknown
    This paper introduces and examines the prospects of the recent research in a holographic relation between entanglement and spacetime pioneered by Mark van Raamsdonk and collaborators. Their thesis is that entanglement in a holographic quantum state is crucial for connectivity in its spacetime dual. Utilizing this relation, the paper develops a thought experiment that promises to probe the nature of spacetime by monitoring the behavior of a spacetime when all entanglement is removed between local degrees of (...)
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  5. Broken Symmetry and Spacetime.David John Baker - 2011 - Philosophy of Science 78 (1):128-148.
    The phenomenon of broken spacetime symmetry in the quantum theory of infinite systems forces us to adopt an unorthodox ontology. We must abandon the standard conception of the physical meaning of these symmetries, or else deny the attractive “liberal” notion of which physical quantities are significant. A third option, more attractive but less well understood, is to abandon the existing (Halvorson-Clifton) notion of intertranslatability for quantum theories.
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  6. Pareto Principles in Infinite Ethics.Amanda Askell - 2018 - Dissertation, New York University
    It is possible that the world contains infinitely many agents that have positive and negative levels of well-being. Theories have been developed to ethically rank such worlds based on the well-being levels of the agents in those worlds or other qualitative properties of the worlds in question, such as the distribution of agents across spacetime. In this thesis I argue that such ethical rankings ought to be consistent with the Pareto principle, which says that if two worlds contain the (...)
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  7. Forever is a day: Supertasks in Pitowsky and Malament-Hogarth spacetimes.John Earman & John D. Norton - 1993 - Philosophy of Science 60 (1):22-42.
    The standard theory of computation excludes computations whose completion requires an infinite number of steps. Malament-Hogarth spacetimes admit observers whose pasts contain entire future-directed, timelike half-curves of infinite proper length. We investigate the physical properties of these spacetimes and ask whether they and other spacetimes allow the observer to know the outcome of a computation with infinitely many steps.
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  8.  6
    Mind underlies spacetime: the axioms describing directly interconnected substance and the model that explains away finiteness.Daniel A. Cowan - 2002 - San Mateo, Calif.: Joseph.
    This book presents a new theory of the nature of the space in which substantial, enduring objects (objects that are identifiable for more than a fleeting instant) connect with each other and cohere within themselves. This posited fundamental space underlies the common perception of space as necessarily having to identify its contents by separating them within finite beginning and ending boundaries. In the real space each entity is positive and is directly connected to every entity. These connections differ depending on (...)
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  9.  14
    Population ethics in an infinite universe.Marcus Pivato - 2023 - Philosophical Studies 180 (12):3383-3414.
    Population ethics studies the tradeoff between the total number of people who will ever live, and their quality of life. But widely accepted theories in modern cosmology say that spacetime is probably infinite. In this case, its population is also probably infinite, so the quantity/quality tradeoff of population ethics is no longer meaningful. Instead, we face the problem of how to ethically evaluate an infinite population of people dispersed throughout time and space. I argue that axiologies (...)
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  10.  18
    Doppler Effect in Absolute Spacetime: Proposal for a New TDE Experiment.Maciej Rybicki - 2008 - Apeiron: Studies in Infinite Nature 15 (2):169.
  11.  31
    The weight of extended bodies in a gravitational field with flat spacetime.Ø Grøn - 1979 - Foundations of Physics 9 (7-8):501-514.
    Einstein's gravitational field equations in empty space outside a massive plane with infinite extension give a class of solutions describing a field with flat spacetime giving neutral, freely moving particles an acceleration. This points to the necessity of defining the concept “gravitational field” not simply by the nonvanishing of the Riemann curvature tensor, but by the nonvanishing of certain elements of the Christoffel symbols, called the physical elements, or the nonvanishing of the Riemann curvature tensor. The tidal component (...)
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  12.  17
    On the Cardinality of Future Worldlines in Discrete Spacetime Structures.Zeki Seskir & Ahmet Çevik - 2023 - Foundations of Physics 53 (3):1-18.
    We give an analysis over a variation of causal sets where the light cone of an event is represented by finitely branching trees with respect to any given arbitrary dynamics. We argue through basic topological properties of Cantor space that under certain assumptions about the universe, spacetime structure and causation, given any event x, the number of all possible future worldlines of x within the many-worlds interpretation is uncountable. However, if all worldlines extending the event x are ‘eventually deterministic’, (...)
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  13. Infinite Beliefs'.Infinite Regresses - 2003 - In Winfried Löffler & Weingartner Paul (eds.), Knowledge and Belief. Alws.
     
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  14.  85
    Regular Self-Consistent Geometries with Infinite Quantum Backreaction in 2D Dilaton Gravity and Black Hole Thermodynamics: Unfamiliar Features of Familiar Models. [REVIEW]O. B. Zaslavskii - 2003 - Foundations of Physics 33 (1):1-35.
    We analyze the rather unusual properties of some exact solutions in 2D dilaton gravity for which infinite quantum stresses on the Killing horizon can be compatible with regularity of the geometry. In particular, the Boulware state can support a regular horizon. We show that such solutions are contained in some well-known exactly solvable models (for example, RST). Formally, they appear to account for an additional coefficient B in the solutions (for the same Lagrangian which contains also “traditional” solutions) that (...)
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  15. Infinite Ethics.Infinite Ethics - unknown
    Aggregative consequentialism and several other popular moral theories are threatened with paralysis: when coupled with some plausible assumptions, they seem to imply that it is always ethically indifferent what you do. Modern cosmology teaches that the world might well contain an infinite number of happy and sad people and other candidate value-bearing locations. Aggregative ethics implies that such a world contains an infinite amount of positive value and an infinite amount of negative value. You can affect only (...)
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  16. Continuity in Fourteenth Century Theories of Alteration.Infinite Indivisible - 1982 - In Norman Kretzmann (ed.), Infinity and continuity in ancient and medieval thought. Ithaca, N.Y.: Cornell University Press. pp. 231--257.
  17. List of Contents: Volume 16, Number 1, February 2003.B. G. Sidharth & Complexified Spacetime - 2003 - Foundations of Physics 33 (2).
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  18. List of Contents: Volume 13, Number 3, June 2000.Semi-Infinite Rectangular Barrier, K. Dechoum, L. de la Pena, E. Santos, A. Schulze, G. Esposito, C. Stornaiolo & P. K. Anastasovski - 2000 - Foundations of Physics 30 (10).
  19.  12
    Millian Qualitative Superiorities and Utilitarianism, Part II.Vi Infinite Superiorities - 2009 - Utilitas 21 (2):2009.
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  20. List of Contents: Volume 11, Number 5, October 1998.S. Fujita, D. Nguyen, E. S. Nam, Phonon-Exchange Attraction, Type I. I. Superconductivity, Wave Cooper & Infinite Well - 1999 - Foundations of Physics 29 (1).
  21. Index to Volume X.Vincent Colapietro, Being as Dialectic, Kenneth Stikkers, Dale Jacquette, Adversus Adversus Regressum Against Infinite Regress Objections, Santosh Makkuni, Moral Luck, Practical Judgment, Leo J. Penta & On Power - 1996 - Journal of Speculative Philosophy 10 (4).
     
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  22. The Collapse of Supertasks.Gustavo E. Romero - 2014 - Foundations of Science 19 (2):209-216.
    A supertask consists in the performance of an infinite number of actions in a finite time. I show that any attempt to carry out a supertask will produce a divergence of the curvature of spacetime, resulting in the formation of a black hole. I maintain that supertaks, contrarily to a popular view among philosophers, are physically impossible. Supertasks, literally, collapse under their own weight.
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  23. Bondi-Metzner-Sachs Symmetry, Holography on Null-surfaces and Area Proportionality of “Light-slice” Entropy.Bert Schroer - 2011 - Foundations of Physics 41 (2):204-241.
    It is shown that certain kinds of behavior, which hitherto were expected to be characteristic for classical gravity and quantum field theory in curved spacetime, as the infinite dimensional Bondi-Metzner-Sachs symmetry, holography on event horizons and an area proportionality of entropy, have in fact an unnoticed presence in Minkowski QFT.This casts new light on the fundamental question whether the volume proportionality of heat bath entropy and the (logarithmically corrected) dimensionless area law obeyed by localization-induced thermal behavior are different (...)
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  24.  12
    What is reality: the new map of cosmos and consciousness.Ervin Laszlo - 2016 - New York: SelectBooks.
    Explores the truth of human existence and human consciousness, presenting a view of our lives as an infinite existence in spacetime and beyond spacetime to resolve the paradoxes of our commonly held scientific conceptions of the nature of the cosmos and show a way toward a sustainable global civilization.
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  25. Non-Turing Computers and Non-Turing Computability.Mark Hogarth - 1994 - PSA: Proceedings of the Biennial Meeting of the Philosophy of Science Association 1994:126-138.
    A true Turing machine requires an infinitely long paper tape. Thus a TM can be housed in the infinite world of Newtonian spacetime, but not necessarily in our world, because our world-at least according to our best spacetime theory, general relativity-may be finite. All the same, one can argue for the "existence" of a TM on the basis that there is no such housing problem in some other relativistic worlds that are similar to our world. But curiously (...)
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  26.  74
    Non-Turing Computers and Non-Turing Computability.Mark Hogarth - 1994 - Psa 1994:126--138.
    A true Turing machine (TM) requires an infinitely long paper tape. Thus a TM can be housed in the infinite world of Newtonian spacetime (the spacetime of common sense), but not necessarily in our world, because our world-at least according to our best spacetime theory, general relativity-may be finite. All the same, one can argue for the "existence" of a TM on the basis that there is no such housing problem in some other relativistic worlds that (...)
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  27.  26
    Philosophical Implications of Inflationary Cosmology.Joshua Knobe, Ken D. Olum & Alexander Vilenkin - 2006 - British Journal for the Philosophy of Science 57 (1):47-67.
    Recent developments in cosmology indicate that every history having a non-zero probability is realized in infinitely many distinct regions of spacetime. Thus, it appears that the universe contains infinitely many civilizations exactly like our own, as well as infinitely many civilizations that differ from our own in any way permitted by physical laws. We explore the implications of this conclusion for ethical theory and for the doomsday argument. In the infinite universe, we find that the doomsday argument applies (...)
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  28.  59
    Measure, Topology and Probabilistic Reasoning in Cosmology.Erik Curiel - unknown
    I explain the difficulty of making various concepts of and relating to probability precise, rigorous and physically significant when attempting to apply them in reasoning about objects living in infinite-dimensional spaces, working through many examples from cosmology. I focus on the relation of topological to measure-theoretic notions of and relating to probability, how they diverge in unpleasant ways in the infinite-dimensional case, and are even difficult to work with on their own. Even in cases where an appropriate family (...)
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  29. Newton's Metaphysics: Essays by Eric Schliesser (review).Marius Stan - 2024 - Journal of the History of Philosophy 62 (1):157-159.
    In lieu of an abstract, here is a brief excerpt of the content:Reviewed by:Newton's Metaphysics: Essays by Eric SchliesserMarius StanEric Schliesser. Newton's Metaphysics: Essays. Oxford: Oxford University Press, 2021. Pp. 328. Hardback, $99.90.Newton owes his high regard to the quantitative science he left us, but his overall picture of the world had some robustly metaphysical threads woven in as well. Posthumous judgment about the value of these threads has varied wildly. Christian Wolff thought him a metaphysical rustic, as did Hans (...)
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  30. Philosophical implications of inflationary cosmology.Joshua Knobe, Ken D. Olum & And Alexander Vilenkin - 2006 - British Journal for the Philosophy of Science 57 (1):47-67.
    Recent developments in cosmology indicate that every history having a non-zero probability is realized in infinitely many distinct regions of spacetime. Thus, it appears that the universe contains infinitely many civilizations exactly like our own, as well as infinitely many civilizations that differ from our own in any way permitted by physical laws. We explore the implications of this conclusion for ethical theory and for the doomsday argument. In the infinite universe, we find that the doomsday argument applies (...)
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  31.  35
    Quantum Mechanics, Formalization and the Cosmological Constant Problem.Jerzy Król & Torsten Asselmeyer-Maluga - 2020 - Foundations of Science 25 (4):879-904.
    Based on formal arguments from Zermelo–Fraenkel set theory we develop the environment for explaining and resolving certain fundamental problems in physics. By these formal tools we show that any quantum system defined by an infinite dimensional Hilbert space of states interferes with the spacetime structure M. M and the quantum system both gain additional degrees of freedom, given by models of Zermelo–Fraenkel set theory. In particular, M develops the ground state where classical gravity vanishes. Quantum mechanics distinguishes set-theoretic (...)
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  32.  16
    Random World and Quantum Mechanics.Jerzy Król, Krzysztof Bielas & Torsten Asselmeyer-Maluga - 2023 - Foundations of Science 28 (2):575-625.
    Quantum mechanics (QM) predicts probabilities on the fundamental level which are, via Born probability law, connected to the formal randomness of infinite sequences of QM outcomes. Recently it has been shown that QM is algorithmic 1-random in the sense of Martin–Löf. We extend this result and demonstrate that QM is algorithmic $$\omega$$ -random and generic, precisely as described by the ’miniaturisation’ of the Solovay forcing to arithmetic. This is extended further to the result that QM becomes Zermelo–Fraenkel Solovay random (...)
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  33. An epistemological use of nonstandard analysis to answer Zeno's objections against motion.William I. McLaughlin & Sylvia L. Miller - 1992 - Synthese 92 (3):371 - 384.
    Three of Zeno's objections to motion are answered by utilizing a version of nonstandard analysis, internal set theory, interpreted within an empirical context. Two of the objections are without force because they rely upon infinite sets, which always contain nonstandard real numbers. These numbers are devoid of numerical meaning, and thus one cannot render the judgment that an object is, in fact, located at a point in spacetime for which they would serve as coordinates. The third objection, an (...)
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  34.  83
    Hilbert's Inferno: Time Travel for the Damned.Alasdair M. Richmond - 2013 - Ratio 26 (3):233-249.
    Combining time travel with certain kinds of supertask, this paper proposes a novel model for Hell. Temporally-closed spacetimes allow otherwise impossible opportunities for material kinds of damnation and reveal surprising limitations on metaphysical objections to Hell. Prima facie, eternal damnation requires either infinite amounts of time or time for the damned to speed-up arbitrarily. However, spatiotemporally finite ‘time travel’ universes can host unending personal torment for infinitely many physical beings, while keeping fixed finite limits on rates of temporal passage. (...)
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  35.  21
    Contradictory Change.Greg Littmann - 2017 - Vivarium 55 (1-3):227-236.
    Graham Priest has argued that changes occur at a moment of change in which objects are in a contradictory state, being in both the state changed from and the state changed to. In “Moments of Change,” the current author rejected this model on the grounds that every change would require an infinite number of other changes, and that for similar regress problems, the model is not compatible with the Leibniz Continuity Condition that Priest appeals to in the model’s support. (...)
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  36.  3
    The nature of the Universe and the ultimate organizational principle.Attila Grandpierre - 2000 - Ultimate Reality and Meaning 23 (1):12-35.
    It is pointed out that the different concepts of the Universe serve as an ultimate basis determining the frames of consciousness. A unified concept of the Universe is explored which includes consciousness and matter as well to the universe of existents. Some consequences of the unified concept of the Universe are derived and shown to be able to solve the paradox of the self-founding notion of the Universe. The self-contained Universe is indicated to possess a logical nature. It is shown (...)
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  37. (Extended) Modal Realism and Philosophical Analysis.Martin Vacek - 2020 - Bratislava: VEDA.
    Theories of possible worlds abound. Since the introduction of modal logic, the term of a possible world, and the very nature of an entity denoted by the term, have stood on the top of metaphysical inquiries. A possible world, roughly speaking, is a complete way things could have been. On the face of it, whatever is possible takes place in some possible world, and whatever is not possible, does not. The aim of the present book is to argue that even (...)
     
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  38. Chasing Chimeras.Wayne C. Myrvold - 2009 - British Journal for the Philosophy of Science 60 (3):635-646.
    Earman and Ruetsche ([2005]) have cast their gaze upon existing no-go theorems for relativistic modal interpretations, and have found them inconclusive. They suggest that it would be more fruitful to investigate modal interpretations proposed for "really relativistic theories," that is, algebraic relativistic quantum field theories. They investigate the proposal of Clifton ([2000]), and extend Clifton's result that, for a host of states, his proposal yields no definite observables other than multiples of the identity. This leads Earman and Ruetsche to a (...)
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  39.  18
    Physical Time and Human Time.George F. R. Ellis - 2023 - Foundations of Physics 54 (1):1-17.
    This paper is a comment on both Bunamano and Rovelli (Bridging the neuroscience and physics of time arXiv:2110.01976. (2022)) and Gruber et al. (in Front. Psychol. Hypothesis Theory, 2022) and which discuss the relation between physical time and human time. I claim here, contrary to many views discussed there, that there is no foundational conflict between the way physics views the passage of time and the way the mind/brain perceives it. The problem rather resides in a number of misconceptions leading (...)
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  40.  13
    Causal Processes in C*-Algebraic Setting.Chrysovalantis Stergiou - 2021 - Foundations of Physics 51 (1):1-23.
    In this paper, we attempt to explicate Salmon’s idea of a causal process, as defined in terms of the mark method, in the context of C*-dynamical systems. We prove two propositions, one establishing mark manifestation infinitely many times along a given interval of the process, and, a second one, which establishes continuous manifestation of mark with the exception of a countable number of isolated points. Furthermore, we discuss how these results can be implemented in the context of the Haag–Araki theories (...)
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  41.  18
    Empirical Underdetermination for Physical Theories in C* Algebraic Setting: Comments to an Arageorgis's Argument.Chrysovalantis Stergiou - 2020 - Foundations of Physics 50 (9):877-892.
    In this paper, I reconstruct an argument of Aristidis Arageorgis against empirical underdetermination of the state of a physical system in a C*-algebraic setting and explore its soundness. The argument, aiming against algebraic imperialism, the operationalist attitude which characterized the first steps of Algebraic Quantum Field Theory, is based on two topological properties of the state space: being T1 and being first countable in the weak*-topology. The first property is possessed trivially by the state space while the latter is highly (...)
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  42.  8
    Substance and method: studies in philosophy of science.Chuang Liu - 2015 - Hackensack, NJ: World Scientific.
    Fictional models in science -- The hypothetical versus the fictional -- What is wrong with the new fictionalism of scientific models? -- Re-inflating the conception of scientific representation -- Idealization, confirmation, and scientific realism -- Laws and models in a theory of idealization -- Approximation and its measures -- Approximation, idealization, and the laws of nature -- Coordination of space and unity of science -- Gauge gravity and the unification of natural forces -- Models and theories II: issues and applications (...)
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  43. On the Problem of Emergence of Classical Space—Time: The Quantum-Mechanical Approach.Alexey A. Kryukov - 2003 - Foundations of Physics 34 (8):1225-1248.
    The Riemannian manifold structure of the classical (i.e., Einsteinian) space-time is derived from the structure of an abstract infinite-dimensional separable Hilbert space S. For this S is first realized as a Hilbert space H of functions of abstract parameters. The space H is associated with the space of states of a macroscopic test-particle in the universe. The spatial localization of state of the particle through its interaction with the environment is associated with the selection of a submanifold M of (...)
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  44. Editorial: Time & Experience: Twins of the Eternal Now?Gregory M. Nixon - 2010 - Journal of Consciousness Exploration and Research 1 (5):482-489.
    In what follows, I suggest that, against most theories of time, there really is an actual present, a now, but that such an eternal moment cannot be found before or after time. It may even be semantically incoherent to say that such an eternal present exists since “it” is changeless and formless (presumably a dynamic chaos without location or duration) yet with creative potential. Such a field of near-infinite potential energy could have had no beginning and will have no (...)
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  45. The Nature of the Universe and the Ultimate Organisational Principle, to appear in.Attila Grandpierre - 2000 - Ultimate Reality and Meaning 23:12-35.
    It is pointed out that the different concepts of the Universe serve as an ultimate basis determining the frames of consciousness. A unified concept of the Universe is explored which includes consciousness and matter as well to the universe of existents. Some consequences of the unified concept of the Universe are derived and shown to be able to solve the paradox of the self-founding notion of the Universe. The self-contained Universe is indicated to possess a logical nature. It is shown (...)
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  46.  28
    Does the topology of space fluctuate?Arlen Anderson & Bryce DeWitt - 1986 - Foundations of Physics 16 (2):91-105.
    Evidence is presented that the singularities induced in causal Lorentzian spacetimes by changes in 3-space topology give rise to infinite particle and energy production under reasonable laws of quantum field propagation. In the case of the gravitational field, if 3-space is compact the total energy must vanish. A topological transition therefore induces a violent collapse that effectively aborts the transition, since the collapse mode is the only mode carrying the negative energy needed to compensate the associated infinite energy (...)
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  47. Objects as Temporary Autonomous Zones.Tim Morton - 2011 - Continent 1 (3):149-155.
    continent. 1.3 (2011): 149-155. The world is teeming. Anything can happen. John Cage, “Silence” 1 Autonomy means that although something is part of something else, or related to it in some way, it has its own “law” or “tendency” (Greek, nomos ). In their book on life sciences, Medawar and Medawar state, “Organs and tissues…are composed of cells which…have a high measure of autonomy.”2 Autonomy also has ethical and political valences. De Grazia writes, “In Kant's enormously influential moral philosophy, autonomy (...)
     
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  48.  89
    Moving without being where you 're not; a non-bivalent way'.Constantin Antonopoulos - 2004 - Journal for General Philosophy of Science / Zeitschrift für Allgemeine Wissenschaftstheorie 35 (2):235 - 259.
    The classical response to Zeno’s paradoxes goes like this: ‘Motion cannot properly be defined within an instant. Only over a period’ (Vlastos.) I show that this ob-jection is exactly what it takes for Zeno to be right. If motion cannot be defined at an instant, even though the object is always moving at that instant, motion cannot be defined at all, for any longer period of time identical in content to that instant. The nonclassical response introduces discontinuity, to evade the (...)
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  49.  22
    Moving Without Being Where You’re Not; A Non-Bivalent Way.Constantin Antonopoulos - 2004 - Journal for General Philosophy of Science / Zeitschrift für Allgemeine Wissenschaftstheorie 35 (2):235-259.
    The classical response to Zeno’s paradoxes goes like this: ‘Motion cannot properly be defined within an instant. Only over a period’ (Vlastos.) I show that this ob-jection is exactly what it takes for Zeno to be right. If motion cannot be defined at an instant, even though the object is always moving at that instant, motion cannot be defined at all, for any longer period of time identical in content to that instant. The nonclassical response introduces discontinuity, to evade the (...)
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  50.  19
    Complementary aspects of gravitation and electromagnetism.P. F. Browne - 1977 - Foundations of Physics 7 (3-4):165-183.
    A convention with regard to geometry, accepting nonholonomic aether motion and coordinate-dependent units, is always valid as an alternative to Einstein's convention. Choosing flat spacetime, Newtonian gravitation is extended, step by step, until equations closely analogous to those of Einstein's theory are obtained. The first step, demanded by considerations of inertia, is the introduction of a vector potential. Treating the electromagnetic and gravitational fields as real and imaginary components of a complex field (gravitational mass being treated as imaginary charge), (...)
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