Abstract:Sabbah and Yu computed the irregular Hodge numbers associated with hypergeometric connections. In this talk, we introduce a new approach for hypergeometric connections whose defining parameters are rational numbers. Our method relies on a geometric interpretation of hypergeometric connections, which enables us to describe the irregular Hodge filtrations explicitly and derive several ar...
Organizers:Federico Bongiorno, Theodoros PapazachariouSpeaker:Ruadhai Dervan (University of Warwick)Time:Wed., 15:30-16:30, Jan. 14, 2026Venue:B725, Shuangqing Complex Building AOnline:Zoom Meeting ID: 262 865 5007 Passcode: YMSCVenue:Metric wall-crossingAbstract:When a reductive group acts on a projective variety, a choice of (linearised) ample line bundle gives a choice of quotient. Wall...