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SUMMARY:Melody Chan (Brown University)
DTSTART:20230602T190000Z
DTEND:20230602T200000Z
DTSTAMP:20260407T214817Z
UID:agstanford/117
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/agstanford/1
 17/">The weight 0 compactly supported Euler characteristic of moduli space
 s of marked hyperelliptic curves</a>\nby Melody Chan (Brown University) as
  part of Stanford algebraic geometry seminar\n\nLecture held in 383-N.\n\n
 Abstract\nJoint work with Madeline Brandt and Siddarth Kannan.  We use mod
 uli spaces of $G$-admissible covers and tropical geometry to give a sum-ov
 er-graphs formula for the weight-0 compactly supported Euler characteristi
 c of the moduli spaces $H_{g\,n}$ of $n$-marked hyperelliptic curves of ge
 nus $g$\, as a virtual representation of $S_n$.  Computer calculations the
 n enable fully explicit formulas for the above in small genus.  My aim is 
 to make this talk accessible to anyone with passing familiarity with $M_g$
  and its Deligne-Mumford compactification.\n
LOCATION:https://researchseminars.org/talk/agstanford/117/
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