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DTSTART;TZID=America/New_York:20260226T133000
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DTSTAMP:20260507T195249
CREATED:20260122T151917Z
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UID:10003876-1772112600-1772116200@cmsa.fas.harvard.edu
SUMMARY:Higher Symmetries\, Eta Invariants and Anomaly Theories 
DESCRIPTION:Differential Geometry and Physics Seminar  \nSpeaker: Mirjam Cvetic\, University of Pennsylvania \nTitle: Higher Symmetries\, Eta Invariants and Anomaly Theories \nAbstract: In recent years\, much progress has been made in understanding the extra-dimensional origin of higher symmetry structures of many quantum field theories (QFTs) obtained via geometric engineering. Among others\, our understanding of anomaly structures in QFTs has been significantly improved. Key in these considerations is the asymptotic boundary of the internal dimensions which geometrizes many topological QFT features. Within this context we present explicit results for anomaly coefficients in five-dimensional supersymmetric QFTs that are engineered in M-theory on Calabi-Yau three-folds\, and show that eta-invariants of the asymptotic boundary of the engineered geometry are key to determine 1-form self-anomaly coefficients. The results both for orbifolds with isolated and non-isolated orbifold singularities are presented. \n 
URL:https://cmsa.fas.harvard.edu/event/dgphys_22626/
LOCATION:CMSA Room G10\, CMSA\, 20 Garden Street\, Cambridge\, MA\, 02138\, United States
CATEGORIES:Differential Geometry and Physics Seminar
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