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SUMMARY:Aline Zanardini (University of Pennsylvania)
DTSTART:20210514T170000Z
DTEND:20210514T183000Z
DTSTAMP:20260423T024744Z
UID:CAGS/13
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CAGS/13/">St
 ability of pencils of plane curves</a>\nby Aline Zanardini (University of 
 Pennsylvania) as part of Columbia algebraic geometry seminar\n\n\nAbstract
 \nIn this talk I will discuss some recent results on the problem of classi
 fying pencils of plane curves via geometric invariant theory. We will see 
 how the stability of a pencil is related to the stability of its generator
 s\, to the log canonical threshold\, and to the multiplicities of a base p
 oint. In particular\, I will present some results on the stability of cert
 ain pencils of plane sextics called Halphen pencils of index two.\n
LOCATION:https://researchseminars.org/talk/CAGS/13/
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