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DTSTART;TZID=America/New_York:20231205T110000
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DTSTAMP:20260418T023741
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UID:10002870-1701774000-1701777600@cmsa.fas.harvard.edu
SUMMARY:The Feynman propagator and self-adjointness
DESCRIPTION:General Relativity Seminar \nSpeaker: Andras Vasy (Stanford) \nTitle: The Feynman propagator and self-adjointness \nAbstract: In this talk I will discuss the Feynman and anti-Feynman inverses for wave operators on certain Lorentzian manifolds; these are two inverses which from a microlocal analysis perspective are more natural than the standard causal (advanced/retarded) ones. For instance\, for the spectral family of the wave operator\, these are the natural inverses when the spectral parameter is non-real. Indeed\, I will explain that these connect to the self-adjointness of the wave operator\, and the positivity properties that follow. \n 
URL:https://cmsa.fas.harvard.edu/event/gr_12523/
LOCATION:Virtual
CATEGORIES:General Relativity Seminar
ATTACH;FMTTYPE=image/png:https://cmsa.fas.harvard.edu/media/CMSA-GR-Seminar-12.05.2023.png
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DTSTART;TZID=America/New_York:20231205T123000
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DTSTAMP:20260418T023742
CREATED:20240223T084615Z
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UID:10002841-1701779400-1701783000@cmsa.fas.harvard.edu
SUMMARY:CMSA Q and A Seminar 12/5/2023
DESCRIPTION:CMSA Q and A Seminar \nSpeakers: Mike Douglas (Harvard CMSA) and Anurag Anshu (Harvard Computer Science) \nTopics:  \nMike Douglas: What are scaling laws in deep learning? \nAnurag Anshu: What’s the difference between classical information theory and quantum information theory (or classical computation vs quantum computation)? \n 
URL:https://cmsa.fas.harvard.edu/event/cmsaqa_12523/
LOCATION:Common Room\, CMSA\, 20 Garden Street\, Cambridge\, MA\, 02138\, United States
CATEGORIES:CMSA Q&A Seminar
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