CMSA GENERAL RELATIVITY SEMINAR
February 14, 2020 10:30 amJang’s equation is a degenerate elliptic differential equation which plays an important role in the positive mass theorem. In this talk, we describe a high order WENO (Weighted Essentially Non-Oscillatory)...
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CMSA GENERAL RELATIVITY SEMINAR
February 7, 2020 10:30 amIn this talk, we will introduce the concept of improvabilty of the dominant energy scalar and discuss strong consequences of non-improvability. We employ new, large families of deformations of the...
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CMSA GENERAL RELATIVITY SEMINAR
November 25, 2019 3:00 pmQuantum Field Theory is a framework of fundamental physics, which in particular has played important roles in the modern development of various subjects in mathematics, including enumerative geometry, knot theory,...
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CMSA GENERAL RELATIVITY SEMINAR
November 25, 2019 12:00 pmIn recent years, para-Hermitian geometry has been used to describe T-duality covariant spacetimes for string theory. In my talk, I will present applications of para-Hermitian geometry to 2D (2,2) SUSY...
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CMSA GENERAL RELATIVITY SEMINAR
November 25, 2019 10:30 amThe first part of this talk will introduce generalized Jordan–Wigner transformation on arbitrary triangulation of any simply connected manifold in 2d, 3d and general dimensions. This gives a duality between...
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CMSA GENERAL RELATIVITY SEMINAR
November 22, 2019 10:30 amThe Event Horizon Telescope image of the supermassive black hole in the galaxy M87 is dominated by a bright, unresolved ring. General relativity predicts that embedded within this image lies...
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CMSA GENERAL RELATIVITY SEMINAR
November 20, 2019 4:30 pmI will discuss non-perturbative definitions of quantum field theories, some properties of correlation functions of local operators, and give a brief overview of some results and open questions concerning the...
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CMSA GENERAL RELATIVITY SEMINAR
November 6, 2019 10:30 amAfter reviewing the definition of intrinsic flat convergence, I will present open problems on the almost rigidity or stability of classic rigidity theorems for manifolds with scalar curvature bounds and...
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