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SUMMARY:Monica Lewis (University of Michigan)
DTSTART:20200426T160000Z
DTEND:20200426T170000Z
DTSTAMP:20260423T024724Z
UID:cazoom/6
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/cazoom/6/">T
 he Fedder action and a simplicial complex of local cohomologies</a>\nby Mo
 nica Lewis (University of Michigan) as part of CAZoom\n\n\nAbstract\nWhen 
 $S$ is a ring of prime characteristic $p$ > 0\, the local cohomology of $S
 $ carries a natural Frobenius structure. If $S$ is regular\, we have acces
 s to Lyubeznik's powerful theory of F-modules. We lose this if $S$ is sing
 ular\, but retain the notion of Frobenius actions. In this talk\, we will 
 present recent joint work with Eric Canton on some advantages to using a n
 on-standard Frobenius action\, defined when $S$ is a complete intersection
  ring\, and will discuss applications to questions about finiteness proper
 ties.\n
LOCATION:https://researchseminars.org/talk/cazoom/6/
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