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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Unsolved conjectures in Mathematical General Relativity
数学 广义相对论 未解 猜想
2023/5/5
I will review the recent progress, including my own contribution, in addressing the Kerr Stability Conjecture (克尔时空稳定性猜想）and the Strong Cosmic Censorship Hypothesis (强宇宙监督假设)，both of which are among t...
Scientists ditch approximations,begin modeling universe with Einstein’s full theory of General Relativity
Scientists ditch approximations modeling universe Einstein’s full theory General Relativity
2016/7/4
Research teams on both sides of the Atlantic have shown that precise modeling of the universe and its contents will change the detailed understanding of the evolution of the universe and the growth of...
Why Einstein did not believe that General Relativity geometrizes gravity
General Relativity Einstein Geometrization Unification Inertia Gravity Geodesic Equation Meyerson
2016/6/14
I argue that, contrary to folklore, Einstein never really cared for geometrizing the gravitational or (subsequently) the electromagnetic field; indeed, he thought that the very statement that General ...
Geodesic Universality in General Relativity
Geodesic Universality Idealization Relativity Theory Einstein
2016/5/31
According to (Tamir, 2012), the geodesic principle strictly interpreted is compatible with Einstein’s field equations only in pathologically unstable circumstances and, hence, cannot play a fundamenta...
Essay Review of David Malament,Topics in the Foundations of General Relativity and Newtonian Gravitation Theory
general relativity Newtonian gravitation theory
2016/5/30
Essay Review of David Malament,Topics in the Foundations of General Relativity and Newtonian Gravitation Theory.
Similarity Assessments,Spacetime,and the Gravitational Field:What Does the Metric Tensor Represent in General Relativity?
general relativity metric tensor similarity-based reasoning
2016/5/30
In this paper I explore the dialectics underlying the choice between a geometrical and a field interpretation of the metric tensor gab in general relativity. My aim is to examine the role of a specifi...
A logic road from special to general relativity
first-order logic axiomatization foundation of relativity theory
2016/5/27
We present a streamlined axiom system of special relativity in first-order logic. From this axiom system we ``derive'' an axiom system of general relativity in two natural steps. We will also see how ...
A century ago, everyone thought time and distance were well defined physical concepts. But neither proved absolute. Instead, measures/reports of time and distance were found to depend on one’s referen...
The Third Way to General Relativity.
Hilbert’s Foundation of Physics:From a Theory of Everything to a Constituent of General Relativity
Hilbert’s Foundation of Physics General Relativity
2015/3/27
Hilbert’s Foundation of Physics:From a Theory of Everything to a Constituent of General Relativity.
General Relativity in the Context of Weimar Culture
General Relativity Context of Weimar Culture
2015/3/26
To develop a more fine-grained picture of how the theory of general relativity was received and elaborated from 1914 until 1924, we move outside the personal networks of its creator, Albert Einstein. ...
GENERAL-RELATIVITY AS AN EFFECTIVE-FIELD THEORY - THE LEADING QUANTUM CORRECTIONS
Effective gravity quantum field theory natural separation low energy quantum effects high energy massless particles
2014/12/23
I describe the treatment of gravity as a quantum effective field theory. This allows a natural separation of the (known) low energy quantum effects from the (unknown) high energy contributions. Within...
Power counting of loop diagrams in general relativity
Cyclic graph the general theory of relativity energy expansion quantum effects physical power calculation
2014/12/23
A class of loop diagrams in general relativity appears to have a behavior which would upset the utility of the energy expansion for quantum effects. We show through the study of specific diagrams that...
The Quantum Theory of General Relativity at Low Energies
Quantum field theory low energy quantum the interaction energy general relativity low energy
2014/12/23
In quantum field theory there is now a well developed technique, effective field theory, which allows one to obtain low energy quantum predictions in “non-renormalizable” theories, using only the degr...
Investigation of symmetries and conserved charges in general relativity
The vector of gravity The black hole mechanics The first law Accelerate the black hole A black hole. Static fixation Bubble time and space
2014/12/9
This thesis presents a series of results relating to conserved charges in general relativity. In particular, we give a general expression for a gravitational charge corresponding to a boost Killing ve...