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Vesselin Petkov Like my Physics colleagues I have been trying to shed a bit of light on some open questions in Physics. My research is on the nature of inertia and gravitational phenomena. It is part of the first major research project at the Minkowski Institute, which fully explores the implications of Hermann Minkowski's profound idea of regarding fourdimensional physics as spacetime geometry. An interesting and potentially important result is that gravity might not be a physical interaction.* Such a stunning explanation of the unsuccessful attempts to create a theory of quantum gravity does not appear to have been examined so far. This possible explanation does not look so shocking when gravity is consistently and rigorously regarded as a manifestation of the nonEuclidean geometry of spacetime. Then it becomes evident that general relativity does imply that gravitational phenomena are not caused by gravitational interaction since they are fully explained in the theory without the need to assume the existence of gravitational interaction: what has the appearance of gravitational attraction involves only inertial (interactionfree) motion and is indeed nothing more than a mere result of the curvature of spacetime. The actual open question in gravitational physics seems to be how matter curves spacetime, not how to quantize the apparent gravitational interaction (Chapter 8 of the Springer Handbook of Spacetime and Chapter 6 and Appendix C of the book Inertia and Gravitation below).* If Einstein had examined Minkowski's idea thoroughly he would have most probably considered and carefully analyzed this possibility. Had he lived longer, Minkowski himself would have almost certainly arrived at this radical possibility. In 1921 Eddington even mentioned it explicitly  "gravitation as a separate agency becomes unnecessary" [A. S. Eddington, The Relativity of Time, Nature 106, 802804 (17 February 1921); reprinted in: A. S. Eddington, The Theory of Relativity and its Influence on Scientific Thought: Selected Works on the Implications of Relativity (Minkowski Institute Press, Montreal 2015)].
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The Minkowski Institute launches a new initiative: Identifying Foundational Knowledge To mark the 110th anniversary of Minkowski's two lectures in 1907, which presented the novel ideas and the mathematical formalism of the fourdimensional physics of spacetime (summarized in Minkowski's famous lecture Space and Time a year later) the Minkowski Institute initiates a new biennial series of meetings: Hermann Minkowski Meetings on the Foundations of Spacetime Physics The Ultimate Judge: Time does not Flow since it is the Fourth Dimension of the Real World (Cog!to, June 2016) Can the Block Universe view be disproved?There will be two book exhibitions at the Fourth Spacetime Conference  by Springer and the Minkowski Institute Press For curious minds: Strange orange object; Should we still trust our eyes that the world is threedimensional? 31 December 2015  23 books published by the Minkowski Institute Press for about 3 years 19 November 2015  Address to the first meeting of the Bulgarian Philosophical SocietyMy recent essay: A mathematical formalism in physics is not "just a matter of description" Winter school (workshop) on the foundations of science in Club Karey, Varadero, Cuba What I like to do most  to share what I know Philosophy of Science Tshirts
2010 Meeting of the Canadian Society for the History and Philosophy of Science  Montreal
My early paper (December 2000) on inertia and gravitation for a wider audience has been translated into Russian  see the English original. 
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Physics as Spacetime Geometry  published as Chapter 8 in Springer Handbook of Spacetime (Springer, Heidelberg 2014), pp. 141163
Can Gravity be Quantized?  published as Appendix C in V. Petkov, Inertia and Gravitation:
From Aristotle's Natural Motion to Geodesic Worldlines in Curved Spacetime (Minkowski Institute Press, Montreal 2012).
On Inertial Forces, Inertial Energy and the Origin of Inertia  published as Appendix B in V. Petkov, Inertia and Gravitation:
From Aristotle's Natural Motion to Geodesic Worldlines in Curved Spacetime (Minkowski Institute Press, Montreal 2012).
On the Reality of Minkowski Space. Foundations of Physics, 37 (2007) pp. 14991502
Simultaneity, Conventionality and Existence. The British Journal for the Philosophy of Science, 40 (1989) pp. 6976. Local file.
Links:
 Curriculum Vitae  List of Publications  Author's Page at Amazon  Personal Info 
International Conferences on the Nature and Ontology of Spacetime:  2004  2006 
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2016 
 International Society for the Advanced Study of Spacetime 
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