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UID:2f0ae7c10cc393e0233ae4109ce6af41
CATEGORIES:Complex Analysis and Geometry Seminar
CREATED:20220421T112724
SUMMARY:Torelli map and rigidity
LOCATION:Zoom
DESCRIPTION:Abstract: The classical Abel-Jacobi map induces the Torelli map from a modu
 li space of curves of genus $ggeq 2$ into the corresponding Siegel modular 
 variety. The goal of the talk is to explain some geometric problems related
  to the mapping, focusing on a conjecture of Oort on scarcity of totally ge
 odesic subvarieties in the Torelli image.  We will also explain its relatio
 n to a rigidity problem of representation of a lattice of semi-simple Lie g
 roups in a mapping class group.  Some new approaches will be explained. \n
X-ALT-DESC;FMTTYPE=text/html:<p>Abstract: The classical Abel-Jacobi map induces the Torelli map from a m
 oduli space of curves of genus $ggeq 2$ into the corresponding Siegel modul
 ar variety.&nbsp;The goal of the talk is to explain some geometric problems
  related to the mapping, focusing on a conjecture of Oort on scarcity of to
 tally geodesic subvarieties in the Torelli image. &nbsp;We will also explai
 n its relation to a rigidity problem of representation of a lattice of semi
 -simple Lie groups in a mapping class group. &nbsp;Some new approaches will
  be explained.&nbsp;</p>
CONTACT:Saikee Yeung (Purdue)
X-EXTRAINFO:Link:  https://rutgers.zoom.us/j/99446658309?pwd=REFxckd1dlRIT3RBQW8vWEJEYz
 lmQT09
DTSTAMP:20260827T005737
DTSTART;TZID=America/New_York:20220422T103000
DTEND;TZID=America/New_York:20220422T113000
SEQUENCE:0
TRANSP:OPAQUE
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