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From para-Hermitian geometry to mirror symmetry

CMSA GENERAL RELATIVITY SEMINAR

November 25, 2019      12:00 pm
Speaker: David Svoboda - Perimeter Institute

In 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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Universal signatures of a black hole’s photon ring

CMSA GENERAL RELATIVITY SEMINAR

November 22, 2019      10:30 am
Speaker: Shahar Hadar - Harvard University

The 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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An Introduction to the Non-Perturbative Bootstrap

CMSA GENERAL RELATIVITY SEMINAR

November 20, 2019      4:30 pm
Speaker: Xi Yin - Harvard University

I 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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Scalar Curvature and Intrinsic Flat Convergence

CMSA GENERAL RELATIVITY SEMINAR

November 6, 2019      10:30 am
Speaker: Christina Sormani - CUNY

After 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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