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SUMMARY:Dylan G.L. Allegretti (UBC)
DTSTART:20210118T230000Z
DTEND:20210119T000000Z
DTSTAMP:20260423T010336Z
UID:UBC-AG/17
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/UBC-AG/17/">
 Wall-crossing and differential equations</a>\nby Dylan G.L. Allegretti (UB
 C) as part of UBC Vancouver Algebraic Geometry Seminar\n\n\nAbstract\nThe 
 Kontsevich-Soibelman wall-crossing formula describes the wall-crossing beh
 avior of BPS invariants in Donaldson-Thomas theory. It can be formulated a
 s an identity between (possibly infinite) products of automorphisms of a f
 ormal power series ring. In this talk\, I will explain how these same prod
 ucts also appear in the exact WKB analysis of Schrödinger's equation. In 
 this context\, they describe the Stokes phenomenon for objects known as Vo
 ros symbols.\n
LOCATION:https://researchseminars.org/talk/UBC-AG/17/
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