The singularities as ontological limits of the general relativity

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Publisher : Nicolae Sfetcu
ISBN 13 :
Total Pages : 33 pages
Book Rating : 4./5 ( download)

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Book Synopsis The singularities as ontological limits of the general relativity by : Nicolae Sfetcu

Download or read book The singularities as ontological limits of the general relativity written by Nicolae Sfetcu and published by Nicolae Sfetcu. This book was released on 2019-01-31 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: ESSAYS Collection The singularities from the general relativity resulting by solving Einstein's equations were and still are the subject of many scientific debates: Are there singularities in spacetime, or not? Big Bang was an initial singularity? If singularities exist, what is their ontology? Is the general theory of relativity a theory that has shown its limits in this case? In this essay I argue that there are singularities, and the general theory of relativity, as any other scientific theory at present, is not valid for singularities. But that does not mean, as some scientists think, that it must be regarded as being obsolete. After a brief presentation of the specific aspects of Newtonian classical theory and the special theory of relativity, and a brief presentation of the general theory of relativity, the chapter Ontology of General Relativity presents the ontological aspects of general relativity. The next chapter, Singularities, is dedicated to the presentation of the singularities resulting in general relativity, the specific aspects of the black holes and the event horizon, including the Big Bang debate as original singularity, and arguments for the existence of the singularities. In Singularity Ontology, I am talking about the possibilities of ontological framing of singularities in general and black holes in particular, about the hole argument highlighted by Einstein, and the arguments presented by scientists that there are no singularities and therefore that the general theory of relativity is in deadlock. In Conclusions I outline and summarize briefly the arguments that support my above views. CONTENTS Abstract Introduction Classical Theory and Special Relativity General Relativity (GR) 1 Ontology of General Relativity 2 Singularities Black Holes Event Horizon Big Bang Are there Singularities? 3 Ontology of Singularities Ontology of black holes The hole argument There are no singularities Conclusions Notes Bibliography

Philosophical Essays

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Publisher : MultiMedia Publishing
ISBN 13 : 6060334741
Total Pages : 936 pages
Book Rating : 4.0/5 (63 download)

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Book Synopsis Philosophical Essays by : Nicolae Sfetcu

Download or read book Philosophical Essays written by Nicolae Sfetcu and published by MultiMedia Publishing. This book was released on with total page 936 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of personal essays in philosophy of science (physics, especially gravity), philosophy of information and communication technology, current social issues (emotional intelligence, COVID-19 pandemic, eugenics, intelligence), philosophy of art, and logic and philosophy of language. The distinction between falsification and refutation in the demarcation problem of Karl Popper Imre Lakatos - Heuristics and methodological tolerance Isaac Newton on the action at a distance in gravity: With or without God? Causal Loops in Time Travel The singularities as ontological limits of the general relativity Epistemology of Experimental Gravity - Scientific Rationality Philosophy of Blockchain Technology - Ontologies Big Data Ethics in Research Emotions and Emotional Intelligence in Organizations COVID-19 Pandemic - Philosophical Approaches Evolution and Ethics of Eugenics Epistemology of Intelligence Agencies Solaris, directed by Andrei Tarkovsky - Psychological and philosophical aspects Causal theories of reference for proper names CONTENTS: The distinction between falsification and refutation in the demarcation problem of Karl Popper - - - Abstract - - - Introduction - - - 1 The demarcation problem - - - 2 Pseudoscience - - - 3 Falsifiability - - - 4 Falsification and refutation - - - 5 Extension of falsifiability - - - 6 Criticism of falsifiability - - - 7 Support of falsifiability - - - 8 The current trend - - - Conclusions - - - Bibliography - - - Notes Imre Lakatos - Heuristics and methodological tolerance - - - Rational reconstruction of science through research programmes - - - Dogmatic Falsificationism - - - Justificationism - - - Bibliography Isaac Newton vs. Robert Hooke on the law of universal gravitation - - - Abstract - - - Introduction - - - Robert Hooke's contribution to the law of universal gravitation - - - Isaac Newton's contribution to the law of universal gravitation - - - Robert Hooke's claim of his priority on the law of universal gravitation - - - Newton's defense - - - The controversy in the opinion of other contemporary scientists - - - What the supporters of Isaac Newton say - - - What the supporters of Robert Hooke say - - - Conclusions - - - Bibliography - - - Notes Isaac Newton on the action at a distance in gravity: With or without God? - - - Abstract - - - Introduction - - - Principia - - - Correspondence with Richard Bentley - - - Queries in Opticks - - - Conclusions - - - Bibliography Causal Loops in Time Travel - - - Abstract - - - Introduction - - - History of the concept of time travel - - - Grandfather paradox - - - The philosophy of time travel - - - Causal loops - - - Conclusions - - - Bibliography - - - Notes The singularities as ontological limits of the general relativity - - - Abstract - - - Introduction - - - - - - Classical Theory and Special Relativity - - - - - - General Relativity (GR) - - - 1 Ontology of General Relativity - - - 2 Singularities - - - - - - Black Holes - - - - - - - - - Event Horizon - - - - - - Big Bang - - - - - - Are there Singularities? - - - 3 Ontology of Singularities - - - - - - Ontology of black holes - - - - - - The hole argument - - - - - - There are no singularities - - - Conclusions - - - Notes - - - Bibliography Epistemology of Experimental Gravity - Scientific Rationality - - - Introduction - - - - - - Gravity - - - - - - Gravitational tests - - - - - - Methodology of Lakatos - Scientific rationality - - - - - - The natural extension of the Lakatos methodology - - - - - - - - - Bifurcated programs - - - - - - - - - Unifying programs - - - 1. Newtonian gravity - - - - - - 1.1 Heuristics of Newtonian gravity - - - - - - 1.2 Proliferation of post-Newtonian theories - - - - - - 1.3 Tests of post-Newtonian theories - - - - - - - - - 1.3.1 Newton's proposed tests - - - - - - - - - 1.3.2 Tests of post-Newtonian theories - - - - - - 1.4 Newtonian gravity anomalies - - - - - - 1.5 Saturation point in Newtonian gravity - - - 2. General relativity - - - - - - 2.1 Heuristics of the general relativity - - - - - - 2.2 Proliferation of post-Einsteinian gravitational theories - - - - - - 2.3 Post-Newtonian parameterized formalism (PPN) - - - - - - 2.4 Tests of general relativity and post-Einsteinian theories - - - - - - - - - 2.4.1 Tests proposed by Einstein - - - - - - - - - 2.4.2 Tests of post-Einsteinian theories - - - - - - - - - 2.4.3 Classic tests - - - - - - - - - - - - 2.4.3.1 Precision of Mercury's perihelion - - - - - - - - - - - - 2.4.3.2 Light deflection - - - - - - - - - - - - 2.4.3.3 Gravitational redshift - - - - - - - - - 2.4.4 Modern tests - - - - - - - - - - - - 2.4.4.1 Shapiro Delay - - - - - - - - - - - - 2.4.4.2 Gravitational dilation of time - - - - - - - - - - - - 2.4.4.3 Frame dragging and geodetic effect - - - - - - - - - - - - 2.4.4.4 Testing of the principle of equivalence - - - - - - - - - - - - 2.4.4.5 Solar system tests - - - - - - - - - 2.4.5 Strong field gravitational tests - - - - - - - - - - - - 2.4.5.1 Gravitational lenses - - - - - - - - - - - - 2.4.5.2 Gravitational waves - - - - - - - - - - - - 2.4.5.3 Synchronization binary pulsars - - - - - - - - - - - - 2.4.5.4 Extreme environments - - - - - - - - - 2.4.6 Cosmological tests - - - - - - - - - - - - 2.4.6.1 The expanding universe - - - - - - - - - - - - 2.4.6.2 Cosmological observations - - - - - - - - - - - - 2.4.6.3 Monitoring of weak gravitational lenses - - - - - - 2.5 Anomalies of general relativity - - - - - - 2.6 The saturation point of general relativity - - - 3. Quantum gravity - - - - - - 3.1 Heuristics of quantum gravity - - - - - - 3.2 The tests of quantum gravity - - - - - - 3.3 Canonical quantum gravity - - - - - - - - - 3.3.1 Tests proposed for the CQG - - - - - - - - - 3.3.2. Loop quantum gravity - - - - - - 3.4 String theory - - - - - - - - - 3.4.1 Heuristics of string theory - - - - - - - - - 3.4.2. Anomalies of string theory - - - - - - 3.5 Other theories of quantum gravity - - - - - - 3.6 Unification (The Final Theory) - - - 4. Cosmology - - - Conclusions - - - Notes - - - Bibliography Philosophy of Blockchain Technology - Ontologies - - - Abstract - - - Introduction - - - Blockchain Technology - - - - - - Design - - - - - - Models - - - Bitcoin - - - Philosophy - - - Ontologies - - - - - - Narrative ontologies - - - - - - Enterprise ontologies - - - Conclusions - - - Bibliography - - - Notes Big Data Ethics in Research - - - Abstract - - - 1. Introduction - - - - - - 1.1 Definitions - - - - - - 1.2 Big Data dimensions - - - 2. Technology - - - - - - 2.1 Applications - - - - - - - - - 2.1.1 In research - - - 3. Philosophical aspects - - - 4. Legal aspects - - - - - - 4.1 GDPR - - - - - - - - - Stages of processing of personal data - - - - - - - - - Principles of data processing - - - - - - - - - Privacy policy and transparency - - - - - - - - - Purposes of data processing - - - - - - - - - Design and implicit confidentiality - - - - - - - - - The (legal) paradox of Big Data - - - 5. Ethical issues - - - - - - Ethics in research - - - - - - Awareness - - - - - - Consent - - - - - - Control - - - - - - Transparency - - - - - - Trust - - - - - - Ownership - - - - - - Surveillance and security - - - - - - Digital identity - - - - - - Tailored reality - - - - - - De-identification - - - - - - Digital inequality - - - - - - Privacy - - - 6. Big Data research - - - Conclusions - - - Bibliography Emotions and Emotional Intelligence in Organizations - - - Abstract - - - 1. Emotions - - - - - - 1.1 Models of emotion - - - - - - 1.2 Processing emotions - - - - - - 1.3 Happiness - - - - - - 1.4 The philosophy of emotions - - - - - - 1.5 The ethics of emotions - - - 2. Emotional intelligence - - - - - - 2.1 Models of emotional intelligence - - - - - - - - - 2.1.1 Model of abilities of Mayer and Salovey - - - - - - - - - 2.1.2 Goleman's mixed model - - - - - - - - - 2.1.3 The mixed model of Bar-On - - - - - - - - - 2.1.4 Petrides' model of traits - - - - - - 2.2 Emotional intelligence in research and education - - - - - - 2.3 The philosophy of emotional intelligence - - - - - - - - - 2.3.1 Emotional intelligence in Eastern philosophy - - - 3. Emotional intelligence in organizations - - - - - - 3.1 Emotional labor - - - - - - 3.2 The philosophy of emotional intelligence in organizations - - - - - - 3.3 Critique of emotional intelligence in organizations - - - - - - 3.4 Ethics of emotional intelligence in organizations - - - - - - Conclusions - - - Bibliography COVID-19 Pandemic - Philosophical Approaches - - - Abstract - - - Introduction - - - 1 Viruses - - - - - - 1.1 Ontology - - - 2 Pandemics - - - - - - 2.1 Social dimensions - - - - - - 2.2 Ethics - - - 3 COVID-19 - - - - - - 3.1 Biopolitics - - - - - - 3.2 Neocommunism - - - - - - 3.3 Desocialising - - - 4 Forecasting - - - Bibliography Evolution and Ethics of Eugenics - - - Abstract - - - Introduction - - - New Eugenics - - - The Future of Eugenics - - - Conclusions - - - Bibliography Epistemology of Intelligence Agencies - - - Abstract - - - 1 Introduction - - - - - - 1.1. History - - - 2. Intelligence activity - - - - - - 2.1. Organizations - - - - - - 2.2. Intelligence cycle - - - - - - 2.3 Intelligence gathering - - - - - - 2.4. Intelligence analysis - - - - - - 2.5. Counterintelligence - - - - - - 2.6. Epistemic communities - - - 3. Ontology - - - 4. Epistemology - - - - - - 4.1. The tacit knowledge (Polanyi) - - - 5. Methodologies - - - 6. Analogies with other disciplines - - - - - - 6.1. Science - - - - - - 6.2. Archeology - - - - - - 6.3. Business - - - - - - 6.4. Medicine - - - 7. Conclusions - - - Bibliography Solaris, directed by Andrei Tarkovsky - Psychological and philosophical aspects - - - Abstract - - - Introduction - - - 1 Cinema technique - - - 2 Psychological Aspects - - - 3 Philosophical aspects - - - Conclusions - - - Bibliography - - - Notes Causal theories of reference for proper names - - - Abstract - - - Introduction - - - 1. The causal theory of reference - - - 2. Saul Kripke - - - 3. Gareth Evans - - - 4. Michael Devitt - - - 5. Blockchain and the causal tree of reference - - - Conclusions - - - Bibliografie About the author - - - Nicolae Sfetcu - - - - - - Contact Publishing House - - - MultiMedia Publishing

The Analysis of Space-Time Singularities

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Publisher : Cambridge University Press
ISBN 13 : 9780521437967
Total Pages : 196 pages
Book Rating : 4.4/5 (379 download)

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Book Synopsis The Analysis of Space-Time Singularities by : C. J. S. Clarke

Download or read book The Analysis of Space-Time Singularities written by C. J. S. Clarke and published by Cambridge University Press. This book was released on 1993 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: The different possible singularities are defined and the mathematical methods needed to extend the space-time are described in detail in this book. Results obtained (many appearing here for the first time) show that singularities are associated with a lack of smoothness in the Riemann tensor.

Singular General Relativity

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Publisher : Minkowski Institute Press
ISBN 13 : 9781927763346
Total Pages : 140 pages
Book Rating : 4.7/5 (633 download)

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Book Synopsis Singular General Relativity by : Ovidiu Cristinel Stoica

Download or read book Singular General Relativity written by Ovidiu Cristinel Stoica and published by Minkowski Institute Press. This book was released on 2015-04-21 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Thesis deals with recent progress regarding singularities in General Relativity. Singularities are predicted by the theory, but raise difficult problems, because they make the usual equations to be plagued with infinities and to break down. To resolve some of these problems, extensions of differential geometry and of Einstein's equation to singularities were needed, and were constructed by the author. This generalization works easily at the Big-Bang singularity, which gained by this a description in terms of finite quantities which have both geometric and physical meaning. Moreover, a large class of Big-Bang singularities which are not necessarily homogeneous or isotropic is presented. In addition, these singularities satisfy the Weyl curvature hypothesis, emitted by Penrose to explain the arrow of time. The black hole singularities apparently are more difficult to deal with, but by applying a special procedure they turn out as well to admit a description in terms of finite quantities. In addition, these singularities exhibit a (geo)metric dimensional reduction, which might act as a regulator for the quantum fields, including for quantum gravity, in the high-energy limit. This opens the perspective of perturbative quantum gravity without modifying General Relativity.

Spacetime and Singularities

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Publisher : Cambridge University Press
ISBN 13 : 9780521336123
Total Pages : 196 pages
Book Rating : 4.3/5 (361 download)

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Book Synopsis Spacetime and Singularities by : Gregory L. Naber

Download or read book Spacetime and Singularities written by Gregory L. Naber and published by Cambridge University Press. This book was released on 1988 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: An elementary introduction to the geometrical methods and notions used in special and general relativity. Emphasizes the ideas concerned with structure of space-time that play a role in Penrose-Hawking singularity theorems.

Boundaries of space-times and singularities in general relativity

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Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (72 download)

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Book Synopsis Boundaries of space-times and singularities in general relativity by : Horst-Heino von Borzeszkowski

Download or read book Boundaries of space-times and singularities in general relativity written by Horst-Heino von Borzeszkowski and published by . This book was released on 1975 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Ontology of Spacetime II

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Publisher : Elsevier
ISBN 13 : 0080569889
Total Pages : 351 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis The Ontology of Spacetime II by :

Download or read book The Ontology of Spacetime II written by and published by Elsevier. This book was released on 2008-06-17 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: The sixteen papers collected in this volume are expanded and revised versions of talks delivered at the Second International Conference on the Ontology of Spacetime, organized by the International Society for the Advanced Study of Spacetime (John Earman, President) at Concordia University (Montreal) from 9 to 11 June 2006. Most chapters are devoted to subjects directly relating to the ontology of spacetime. The book starts with four papers that discuss the ontological status of spacetime and the processes occurring in it from a point of view that is first of all conceptual and philosophical. The focus then slightly shifts in the five papers that follow, to considerations more directly involving technical considerations from relativity theory. After this, Time, Becoming and Change take centre stage in the next five papers. The book ends with two excursions into relatively uncharted territory: a consideration of the status of Kaluza-Klein theory, and an investigation of possible relations between the nature of spacetime and condensed matter physics, respectively. Space and time in present-day physics and philosophy Relatively low level of technicality, easily accessible Introduction from scratch of the debates surrounding time Broad spectrum of approaches, coherently represented

Pseudo-Complex General Relativity

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Publisher : Springer
ISBN 13 : 3319250612
Total Pages : 263 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Pseudo-Complex General Relativity by : Peter O. Hess

Download or read book Pseudo-Complex General Relativity written by Peter O. Hess and published by Springer. This book was released on 2015-10-31 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores the role of singularities in general relativity (GR): The theory predicts that when a sufficient large mass collapses, no known force is able to stop it until all mass is concentrated at a point. The question arises, whether an acceptable physical theory should have a singularity, not even a coordinate singularity. The appearance of a singularity shows the limitations of the theory. In GR this limitation is the strong gravitational force acting near and at a super-massive concentration of a central mass. First, a historical overview is given, on former attempts to extend GR (which includes Einstein himself), all with distinct motivations. It will be shown that the only possible algebraic extension is to introduce pseudo-complex (pc) coordinates, otherwise for weak gravitational fields non-physical ghost solutions appear. Thus, the need to use pc-variables. We will see, that the theory contains a minimal length, with important consequences. After that, the pc-GR is formulated and compared to the former attempts. A new variational principle is introduced, which requires in the Einstein equations an additional contribution. Alternatively, the standard variational principle can be applied, but one has to introduce a constraint with the same former results. The additional contribution will be associated to vacuum fluctuation, whose dependence on the radial distance can be approximately obtained, using semi-classical Quantum Mechanics. The main point is that pc-GR predicts that mass not only curves the space but also changes the vacuum structure of the space itself. In the following chapters, the minimal length will be set to zero, due to its smallness. Nevertheless, the pc-GR will keep a remnant of the pc-description, namely that the appearance of a term, which we may call "dark energy", is inevitable. The first application will be discussed in chapter 3, namely solutions of central mass distributions. For a non-rotating massive object it is the pc-Schwarzschild solution, for a rotating massive object the pc-Kerr solution and for a charged massive object it will be the Reissner-Nordström solution. This chapter serves to become familiar on how to resolve problems in pc-GR and on how to interpret the results. One of the main consequences is, that we can eliminate the event horizon and thus there will be no black holes. The huge massive objects in the center of nearly any galaxy and the so-called galactic black holes are within pc-GR still there, but with the absence of an event horizon! Chapter 4 gives another application of the theory, namely the Robertson-Walker solution, which we use to model different outcomes of the evolution of the universe. Finally the capability of this theory to predict new phenomena is illustrated.

The Adventures of a Red Ant

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Publisher : Nicolae Sfetcu
ISBN 13 : 6060332382
Total Pages : 119 pages
Book Rating : 4.0/5 (63 download)

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Book Synopsis The Adventures of a Red Ant by : Henri de la Blanchère

Download or read book The Adventures of a Red Ant written by Henri de la Blanchère and published by Nicolae Sfetcu. This book was released on with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The Reddish Polyergus, the most powerful ants of France by their courage in the fighting, form a people composed of four orders of citizens: males, females, neutrals or warriors ... and slaves, workers conquered on suitable species. I am neutral, and I am proud of it. Is there a life more noble, more chivalrous than mine: to fight, to conquer or to die!... We live for years, and all this time we spend it to serve the country and the nation, to contribute to its greatness, to its power; to make us serve as kings ... and enjoy the sun!"

Singularities at the Threshold

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Publisher : Rowman & Littlefield
ISBN 13 : 1793606773
Total Pages : 167 pages
Book Rating : 4.7/5 (936 download)

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Book Synopsis Singularities at the Threshold by : Bruno Gullì

Download or read book Singularities at the Threshold written by Bruno Gullì and published by Rowman & Littlefield. This book was released on 2020-11-12 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Singularities at the Threshold: The Ontology of Unrest, Bruno Gullì calls into question the concept of the independent and sovereign individual of the liberal (and neoliberal) tradition from the standpoint of the ontology of singularity, that is, the plural constitution of what appears to be an individual. Singularity is not the result of a process of individuation, but the process itself. He argues that the process of individuation—whereby at each stage everything appears to be individuated as such, to be an individual thing—is in reality always already plural, a process of transindividuation, or better, trans-dividuation. Gullì further examines why singularity is usually confused with individuality; what comes after the sovereign and independent individual, after the subject; and what the role of subversive and liberated singularities is in bringing about a new ethos and a better world.

Bangs, Crunches, Whimpers, and Shrieks

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Publisher : Oxford University Press
ISBN 13 : 0195344642
Total Pages : 270 pages
Book Rating : 4.1/5 (953 download)

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Book Synopsis Bangs, Crunches, Whimpers, and Shrieks by : John Earman

Download or read book Bangs, Crunches, Whimpers, and Shrieks written by John Earman and published by Oxford University Press. This book was released on 1995-11-02 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Almost from its inception, Einstein's general theory of relativity was known to sanction spacetime models harboring singularities. Until the 1960s, however, spacetime singularities were thought to be artifacts of the idealizations of the models. This attitude evaporated in the face of a series of theorems, due largely to Stephen Hawking and Roger Penrose, which showed that Einstein's general theory implies that singularities can be expected to occur in a wide variety of conditions in both gravitational collapse and in cosmology. In the light of these results some physicists adopted the attitude that, since spacetime singularities are intolerable, general relativity contains within itself the seeds of its own destruction. Others hoped that peaceful coexistence with singularities could be achieved by proving a form of Roger Penrose's cosmic censorship hypothesis, which would place singularities safely inside black holes. Whatever the attitude one adopts toward spacetime singularities, it is evident that they raise a number of foundational problems for physics and have profound implications for the philosophy of space and time. However, philosophers of science have been slow to awaken to the significance of these developments. Indeed, this is the first serious book-length study of the subject by a philosopher of science. It features an overview of the literature on singularities, as well as an analytic commentary on their significance to a number of scientific and philosophical issues.

Singularities in the Spacetime of General Relativity

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Publisher :
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.:/5 (391 download)

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Book Synopsis Singularities in the Spacetime of General Relativity by : Robert Geroch

Download or read book Singularities in the Spacetime of General Relativity written by Robert Geroch and published by . This book was released on 1967 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:

New Frontiers in Gravitational Collapse and Spacetime Singularities

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Publisher : Springer
ISBN 13 : 9789819711710
Total Pages : 0 pages
Book Rating : 4.7/5 (117 download)

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Book Synopsis New Frontiers in Gravitational Collapse and Spacetime Singularities by : Daniele Malafarina

Download or read book New Frontiers in Gravitational Collapse and Spacetime Singularities written by Daniele Malafarina and published by Springer. This book was released on 2024-05-21 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book collects a series of articles to review the advances that have been made in the field of gravitational collapse in general relativity and alternative theories of gravity in the past few years. Many approaches to black hole and singularity formation in general relativity and beyond have been proposed over the last few decades. The importance of collapse models is that they provide natural thought experiments where to test the behavior and properties of a variety of approaches to general relativity and its implications for ultra-compact objects in the universe.

Spacetime

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Publisher : Springer Science & Business Media
ISBN 13 : 3540483543
Total Pages : 444 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis Spacetime by : Marcus Kriele

Download or read book Spacetime written by Marcus Kriele and published by Springer Science & Business Media. This book was released on 2003-07-01 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the most of exciting aspects is the general relativity pred- tion of black holes and the Such Big Bang. predictions gained weight the theorems through Penrose. singularity pioneered In various by te- books on theorems general relativity singularity are and then presented used to that black holes exist and that the argue universe started with a To date what has big been is bang. a critical of what lacking analysis these theorems predict-’ We of really give a proof a typical singul- theorem and this ity use theorem to illustrate problems arising through the of possibilities violations" and "causality weak "shell very crossing These singularities". add to the problems weight of view that the point theorems alone singularity are not sufficient to the existence of predict physical singularities. The mathematical theme of the book In order to both solid gain a of and intuition understanding good for any mathematical theory, one,should to realise it as model of try a a fam- iar non-mathematical theories have had concept. Physical an especially the important on of and impact development mathematics, conversely various modern theories physical rather require sophisticated mathem- ics for their formulation. both and mathematics Today, physics are so that it is often difficult complex to master the theories in both very s- in the of jects. However, case differential pseudo-Riemannian geometry or the general relativity between and mathematics relationship physics is and it is therefore especially close, to from interd- possible profit an ciplinary approach.

The Ontology of Spacetime

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Publisher : Elsevier
ISBN 13 : 0080461883
Total Pages : 307 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis The Ontology of Spacetime by :

Download or read book The Ontology of Spacetime written by and published by Elsevier. This book was released on 2006-07-10 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains selected papers from the First International Conference on the Ontology of Spacetime. Its fourteen chapters address two main questions: first, what is the current status of the substantivalism/relationalism debate, and second, what about the prospects of presentism and becoming within present-day physics and its philosophy? The overall tenor of the four chapters of the book’s first part is that the prospects of spacetime substantivalism are bleak, although different possible positions remain with respect to the ontological status of spacetime. Part II and Part III of the book are devoted to presentism, eternalism, and becoming, from two different perspectives. In the six chapters of Part II it is argued, in different ways, that relativity theory does not have essential consequences for these issues. It certainly is true that the structure of time is different, according to relativity theory, from the one in classical theory. But that does not mean that a decision is forced between presentism and eternalism, or that becoming has proved to be an impossible concept. It may even be asked whether presentism and eternalism really offer different ontological perspectives at all. The writers of the last four chapters, in Part III, disagree. They argue that relativity theory is incompatible with becoming and presentism. Several of them come up with proposals to go beyond relativity, in order to restore the prospects of presentism. · Space and time in present-day physics and philosophy · Introduction from scratch of the debates surrounding time · Broad spectrum of approaches, coherently represented

Implications of Singularities in General Relativity

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Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.:/5 (45 download)

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Book Synopsis Implications of Singularities in General Relativity by : Scott Franklin Ready

Download or read book Implications of Singularities in General Relativity written by Scott Franklin Ready and published by . This book was released on 1978 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Singularities in General Relativity

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Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Singularities in General Relativity by : Ihrig

Download or read book Singularities in General Relativity written by Ihrig and published by . This book was released on 1974 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: