### CMSA Mathematical Physics Seminar

CMSA EVENTS

April 6, 2020 3:30 pm*MIT*

*note unusual time* via Zoom Video Conferencing: https://harvard.zoom.us/j/362172385 Title and Abstract TBA

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CMSA EVENTS

April 6, 2020 3:30 pmSpeaker: Daniel Harlow - *MIT*

*note unusual time* via Zoom Video Conferencing: https://harvard.zoom.us/j/362172385 Title and Abstract TBA

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CMSA GENERAL RELATIVITY SEMINAR

April 3, 2020 10:30 amSpeaker: Hyun Chul Jang - *University of Connecticut*

via Zoom Video Conferencing: https://harvard.zoom.us/j/635180669 In this talk, we will discuss the rigidity of positive mass theorem for asymptotically hyperbolic manifolds. That is, if the mass equality holds, then the...

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THURSDAY SEMINAR

April 2, 2020 3:00 pmSpeaker: Sander Kupers - *Harvard University*

via Zoom Video Conferencing: https://harvard.zoom.us/j/140789806 We finish the computation of the automorphisms of rationalized E_n-operads when n is at least 3, by verifying that the conditions of the Goldman-Millson theorem...

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CMSA EVENTS

April 1, 2020 4:30 pmSpeaker: Mauricio Santillana - *Harvard University*

Online via Zoom Video Conferencing: https://harvard.zoom.us/meeting/977347126 I will describe data-driven machine learning methodologies that leverage Internet-based information from search engines, Twitter microblogs, crowd-sourced disease surveillance systems, electronic medical records, and weather...

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INFORMAL GEOMETRY AND DYNAMICS

April 1, 2020 4:00 pmSpeaker: Curtis McMullen - *Harvard University*

via Zoom Video Conferencing: https://harvard.zoom.us/j/972495373 We will describe how the problem of finding periodic trajectories in a regular pentagon can be solved using a new height on P^1 coming from...

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NUMBER THEORY

April 1, 2020 3:00 pmSpeaker: Shekhar Khare - *UCLA*

via Zoom Video Conferencing: https://harvard.zoom.us/j/136830668 In his work on modularity theorems, Wiles proved a numerical criterion for a map of rings R->T to be an isomorphism of complete intersections. In...

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RANDOM MATRIX

April 1, 2020 2:00 pmSpeaker: Ian Jauslin - *Princeton University*

will speak on: A Simplified Approach to Interacting Bose Gases via Zoom Video Conferencing: https://harvard.zoom.us/j/147308224 I will discuss some new results about an effective theory introduced by Lieb in 1963...

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CMSA EVENTS

April 1, 2020 10:30 amSpeaker: Jong Yeon Lee - *Harvard University*

via Zoom Video Conferencing: https://harvard.zoom.us/j/977347126 One of the most exotic phenomena in condensed matter systems is the emergence of fractionalized particles. However, until now, only a few experimental systems are...

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MATHEMATICAL PICTURE LANGUAGE

March 31, 2020 10:00 amSpeaker: Ian Jauslin - *Princeton University*

via Zoom Video Conferencing: https://harvard.zoom.us/j/779283357 A liquid crystal is a phase of matter in which order and disorder coexist: for some degrees of freedom, there is order, whereas for others,...

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CMSA EVENTS

March 30, 2020 11:00 amSpeaker: Timothy Large - *MIT*

*note special time* via Zoom Video Conferencing: https://harvard.zoom.us/j/362172385 In this talk, I will discuss how to define the (wrapped) Fukaya category of an exact symplectic manifold with coefficients in extraordinary...

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