Reflections On Spacetime
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Reflections On Spacetime
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Author : Ulrich Majer
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-14
Reflections On Spacetime written by Ulrich Majer and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-14 with Science categories.
REFLECTIONS ON SPACETIME - FOUNDATIONS, PHILOSOPHY AND HISTORY During the academic year 1992/93, an interdisciplinary research group constituted itself at the Zentrum fUr interdisziplinare Forschung (ZiF) in Bielefeld, Germany, under the title 'Semantical Aspects of Spacetime Theories', in which philosophers and physicists worked on topics in the interpretation and history of relativity theory. The present issue consists of contributions resulting from material presented and discussed in the group during the course of that year. The scope of the papers ranges from rather specialised issues arising from general relativity such as the problem of referential indeterminacy, to foundational questions regarding spacetime in the work of Carnap, Weyl and Hilbert. It is well known that the General Theory of Relativity (GTR) admits spacetime models which are 'exotic' in the sense that observers could travel into their own past. This poses a number of problems for the physical interpretation of GTR which are also relevant in the philosophy of spacetime. It is not enough to exclude these exotic models simply by stating that we live in a non-exotic universe, because it might be possible to "operate time machines" by actively changing the topology of the future part of spacetime. In his contribution, Earman first reviews the attempts of physicists to prove "chronology protection theorems" (CPTs) which exclude the operation of time machines under reasonable assumptions.
The Stars And The Earth Or Thoughts Upon Space Time And Eternity By F Eberty
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Author : Felix Eberty
language : en
Publisher:
Release Date : 1846
The Stars And The Earth Or Thoughts Upon Space Time And Eternity By F Eberty written by Felix Eberty and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1846 with categories.
Operational Symmetries
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Author : Heinrich Saller
language : en
Publisher: Springer
Release Date : 2017-06-19
Operational Symmetries written by Heinrich Saller and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06-19 with Science categories.
This book describes the endeavour to relate the particle spectrum with representations of operational electroweak spacetime, in analogy to the atomic spectrum as characterizing representations of hyperbolic space. The spectrum of hyperbolic position space explains the properties of the nonrelativistic atoms; the spectrum of electroweak spacetime is hoped to explain those of the basic interactions and elementary particles. In this book, the theory of operational symmetries is developed from the numbers, from Plato’s and Kepler’s symmetries over the simple Lie groups to their applications in nonrelativistic, special relativistic and general relativistic quantum theories with the atomic spectrum for hyperbolic position and, in first attempts, the particle spectrum for electroweak spacetime. The standard model of elementary particles and interactions is characterized by a symmetry group. In general, as initiated by Weyl and stressed by Heisenberg, quantum theory can be built as a theory of operation groups and their unitary representations. In such a framework, time, position and spacetime is modeled by equivalence classes of symmetry groups. For a unification on this road, the quest is not for a final theory with a basic equation for basic particles, but for the basic operation group and its representations.
The Stars And The Earth Or Thoughts Upon Space Time And Eternity
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Author : Felix Eberty
language : en
Publisher:
Release Date : 1854
The Stars And The Earth Or Thoughts Upon Space Time And Eternity written by Felix Eberty and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1854 with Astronomy categories.
The Stars And The Earth Or Thoughts Upon Space Time And Eternity
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Author :
language : en
Publisher:
Release Date : 1874
The Stars And The Earth Or Thoughts Upon Space Time And Eternity written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1874 with Religion and science categories.
Constructive Axiomatics For Spacetime Physics
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Author : Emily Adlam
language : en
Publisher: Oxford University Press
Release Date : 2025-07-10
Constructive Axiomatics For Spacetime Physics written by Emily Adlam and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-07-10 with Science categories.
The programme of 'constructive axiomatics', promulgated by Hans Reichenbach in 1924, seeks to build up the architecture of our best theories of physics from basic axioms supposedly imbued with immediate and indubitable empirical content. Taking inspiration from Reichenbach, Hermann Weyl proposed his own 'causal-inertial' approach to the constructive axiomatization of Einstein's general relativity, according to which a relativistic spacetime can be constructed solely from the trajectories of light rays and freely-falling particles; this project, however, came to fruition only in 1972, with the constructive axiomatization of general relativity due to Ehlers, Pirani, and Schild ('EPS'). One century since Reichenbach, and fifty years since EPS, Constructive Axiomatics for Spacetime Physics is a celebration of the constructive axiomatic methodology. It achieves four main tasks. First, it provides a thoroughgoing presentation of the EPS axiomatization, closing missing loopholes, identifying problematic axioms, and so forth—in this way, one gains a much-improved appreciation of the extent to which a causal-inertial approach to general relativity might succeed, and of what such an approach might offer. Second, it synthesizes and assesses the vast but disparate literature on constructive axiomatics which has arisen over the past century and sets the methodology in its proper philosophical context. Third, it generalizes the approach to apply to quantum spacetimes. And fourth, it applies the approach to the context of non-relativistic spacetime physics. All in all, the book demonstrates that constructive axiomatics is live-and-kicking; the book will become the go-to resource for this way of philosophizing about the nature of space and time.
Reflections On Quanta Symmetries And Supersymmetries
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Author : V.S. Varadarajan
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-05-20
Reflections On Quanta Symmetries And Supersymmetries written by V.S. Varadarajan and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-20 with Mathematics categories.
This is a collection of essays based on lectures that author has given on various occasions on foundation of quantum theory, symmetries and representation theory, and the quantum theory of the superworld created by physicists. The lectures are linked by a unifying theme: how the quantum world and superworld appear under the lens of symmetry and supersymmetry. In the world of ultra-small times and distances such as the Planck length and Planck time, physicists believe no measurements are possible and so the structure of spacetime itself is an unknown that has to be first understood. There have been suggestions (Volovich hypothesis) that world geometry at such energy regimes is non-archimedian and some of the lectures explore the consequences of such a hypothesis. Ultimately, symmetries and supersymmetries are described by the representation of groups and supergroups. The author's interest in representation is a lifelong one and evolved slowly, and owes a great deal to conversations and discussions he had with George Mackey and Harish-Chandra. The book concludes with a retrospective look at these conversations.
Space Time And Culture
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Author : David Carr
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-11-03
Space Time And Culture written by David Carr and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-11-03 with Philosophy categories.
Interculturality has been one of key concepts in phenomenological literature. It seeks to clarify the philosophical basis for intercultural exchange within the horizon of our life-world. The essays in this volume focus on the themes around space, time and culture from the perspectives of Chinese and Western phenomenologists. Though the discussions begin with classical phenomenological texts in Husserl, Heidegger or Merleau-Ponty, they extend to the problems of Daoism and Buddhism, as well as to sociology and analytic philosophy. The collection of this volume is a fruitful result of inter-cultural exchange of phenomenology.
Divine Reflections
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Author : Omar Han
language : en
Publisher: Omar Han
Release Date : 2025-05-22
Divine Reflections written by Omar Han and has been published by Omar Han this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-05-22 with Religion categories.
Divine Reflections: Unveiling the Scientific Wonders of the Quran By Omar Han Overview Dive into a transformative exploration that bridges ancient revelation and modern discovery. In Divine Reflections, Omar Han guides readers through fifty‑two richly illustrated chapters, each revealing how the Qur’an’s timeless verses resonate with breakthroughs in cosmology, geology, embryology, quantum physics, and more. This beautifully crafted volume will inspire scientists, scholars, and seekers of truth alike to behold the harmonious interplay between faith and reason. What You’ll Discover Cosmic Insights: Unpack verses that foreshadow the expanding universe, dark matter, and galactic architecture long before telescopes existed. Earth Sciences: Witness the Qur’an’s portrayal of mountains as “pegs” and oceans segmented by invisible barriers—corresponding precisely with plate tectonics and oceanography. Life’s Blueprint: Trace human development in the womb as described in scripture, now validated by modern embryology. Quantum Parallels: Explore superposition, entanglement, and uncertainty through the lens of Divine metaphors that speak to the heart of quantum mechanics. Biological Wonders: Delve into the Qur’an’s honeybee “inspiration,” genetic “pairs,” and hidden microbiomes—signs of miracles confirmed by 20th‑ and 21st‑century science. Future Frontiers: Engage with prophetic allusions to AI ethics, space colonization, climate tipping points, and potential exoplanetary life—anticipating the next wave of scientific breakthroughs. Why This Book Matters Omar Han weaves meticulous scholarship with profound spiritual insight, showing that the Qur’an is not just a spiritual guide but also a living repository of scientific foreknowledge. Readers will come away with: A deeper sense of awe for the universe as a unified tapestry of Divine wisdom. Renewed conviction that faith and science are complementary roads to truth. Practical inspiration for integrating ethical principles into technological and environmental stewardship. Who Should Read This Believers seeking to strengthen their faith through empirical confirmation of scripture. Scientists and Researchers curious about the Qur’an’s relevance to their work. Students of Philosophy and Theology interested in the intersection of revelation and reason. General Readers drawn to popular science, spirituality, and the wonders of creation. Unlock the miracle of scientific revelation within the pages of Divine Reflections. Let each chapter become a window into the Divine, guiding you to look, reflect, and believe. Download your copy today and embark on a journey of discovery where every verse is a new signpost pointing to ultimate truth.
Lagrangian Interaction
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Author : Noel Doughty
language : en
Publisher: CRC Press
Release Date : 2018-03-08
Lagrangian Interaction written by Noel Doughty and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-08 with Science categories.
This book is an introduction to Lagrangian mechanics, starting with Newtonian physics and proceeding to topics such as relativistic Lagrangian fields and Lagrangians in General Relativity, electrodynamics, Gauge theory, and relativistic gravitation. The mathematical notation used is introduced and explained as the book progresses, so it can be understood by students at the undergraduate level in physics or applied mathmatics, yet it is rigorous enough to serve as an introduction to the mathematics and concepts required for courses in relativistic quantum field theory and general relativity.