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DTSTART;TZID=America/New_York:20241016T160000
DTEND;TZID=America/New_York:20241016T170000
DTSTAMP:20260414T050313
CREATED:20240927T150643Z
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UID:10002915-1729094400-1729098000@cmsa.fas.harvard.edu
SUMMARY:Math Science Lectures in Honor of Raoul Bott: Andrew Neitzke
DESCRIPTION:  \nSpeaker: Andrew Neitzke\, Yale University \nLocation: Harvard University Science Center Hall D & via Zoom webinar \nDates: October 16 & 17\, 2024 \nTime: 4:00 pm \n  \n \nWednesday\, Oct. 16\, 2024 \nTitle: Abelianization in analysis of ODEs \nAbstract: I will describe the exact WKB method for asymptotic analysis of families of ODEs in one variable\, and its interpretation as a kind of abelianization procedure\, which replaces GL(N)-connections over a Riemann surface by GL(1)-connections over an N-fold branched cover. This abelianization procedure connects exact WKB to various subjects in geometry (cluster algebras\, moduli of Higgs bundles\, enumerative geometry). One application is a conjectural description of Hitchin’s hyperkahler metric on the moduli of Higgs bundles; I will review some recent progress on these conjectures. \n  \n \nThursday\, Oct. 17\, 2024 \nTitle: Abelianization in quantum topology \nAbstract: I will describe new applications of abelianization to various related subjects: perturbative Chern-Simons invariants\, skein algebras\, and conformal blocks. The aim is to explain how abelianization gives a unifying perspective on constructions familiar in each of these subjects (e.g. dilogarithmic formulas for Chern-Simons invariants\, vertex models for computing quantum invariants of links\, and iterated-fusion constructions of conformal blocks for the Virasoro algebra)\, and also suggests various extensions\, which are just beginning to be explored. \n  \n\nRaoul Bott (9/24/1923 – 12/20/2005) is known for the Bott periodicity theorem\, the Morse–Bott functions\, and the Borel–Bott–Weil theorem. 
URL:https://cmsa.fas.harvard.edu/event/mathscibott_1024/
LOCATION:Harvard Science Center\, 1 Oxford Street\, Cambridge\, MA\, 02138
CATEGORIES:Event,Math Science Lectures in Honor of Raoul Bott,Public Lecture,Special Lectures
ATTACH;FMTTYPE=image/png:https://cmsa.fas.harvard.edu/media/Bott-Lecture_Neitzke_11x17.1.png
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CREATED:20240927T150813Z
LAST-MODIFIED:20250409T192551Z
UID:10002916-1729180800-1729184400@cmsa.fas.harvard.edu
SUMMARY:Math Science Lectures in Honor of Raoul Bott: Andrew Neitzke
DESCRIPTION:Speaker: Andrew Neitzke\, Yale University \nLocation: Harvard University Science Center Hall D & via Zoom webinar \nDates: October 16 & 17\, 2024 \nTime: 4:00 pm \n  \n \nWednesday\, Oct. 16\, 2024 \nTitle: Abelianization in analysis of ODEs \nAbstract: I will describe the exact WKB method for asymptotic analysis of families of ODEs in one variable\, and its interpretation as a kind of abelianization procedure\, which replaces GL(N)-connections over a Riemann surface by GL(1)-connections over an N-fold branched cover. This abelianization procedure connects exact WKB to various subjects in geometry (cluster algebras\, moduli of Higgs bundles\, enumerative geometry). One application is a conjectural description of Hitchin’s hyperkahler metric on the moduli of Higgs bundles; I will review some recent progress on these conjectures. \n  \n \nThursday\, Oct. 17\, 2024 \nTitle: Abelianization in quantum topology \nAbstract: I will describe new applications of abelianization to various related subjects: perturbative Chern-Simons invariants\, skein algebras\, and conformal blocks. The aim is to explain how abelianization gives a unifying perspective on constructions familiar in each of these subjects (e.g. dilogarithmic formulas for Chern-Simons invariants\, vertex models for computing quantum invariants of links\, and iterated-fusion constructions of conformal blocks for the Virasoro algebra)\, and also suggests various extensions\, which are just beginning to be explored. \n\n  \nRaoul Bott (9/24/1923 – 12/20/2005) is known for the Bott periodicity theorem\, the Morse–Bott functions\, and the Borel–Bott–Weil theorem. 
URL:https://cmsa.fas.harvard.edu/event/mathscibott_1024-2/
LOCATION:Harvard Science Center\, 1 Oxford Street\, Cambridge\, MA\, 02138
CATEGORIES:Event,Math Science Lectures in Honor of Raoul Bott,Public Lecture,Special Lectures
ATTACH;FMTTYPE=image/png:https://cmsa.fas.harvard.edu/media/Bott-Lecture_Neitzke_11x17.1.png
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