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SUMMARY:Floer homology and covering spaces - Ciprian Manolescu (University
  of California\, Los Angeles)
DTSTART:20170203T090000Z
DTEND:20170203T100000Z
UID:TALK70595@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:<span>         Co-author: Tye Lidman 		(North Carolina State) 
        <br></span><span>&nbsp\;<br>I will discuss a Smith-type inequality 
 for regular covering spaces in  monopole Floer homology. Using the monopol
 e Floer / Heegaard Floer  correspondence\, it follows  that if a 3-manifol
 d Y admits a p^n-sheeted  regular cover that is a Z/p-L-space (for p prime
 )\, then Y is a  Z/p-L-space. Further\, we obtain constraints on surgeries
  on a knot being  regular covers over other surgeries on the same knot\, a
 nd over  surgeries on other knots. This is joint work with Tye Lidman.</sp
 an>
LOCATION:Seminar Room 1\, Newton Institute
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