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SUMMARY:Robert Kropholler (WWU Münster)
DTSTART:20201007T190000Z
DTEND:20201007T200000Z
DTSTAMP:20260404T102101Z
UID:McGillGGT/5
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/McGillGGT/5/
 ">Groups of type $FP_2$ over fields</a>\nby Robert Kropholler (WWU Münste
 r) as part of McGill geometric group theory seminar\n\n\nAbstract\nBeing o
 f type $FP_2$ is an algebraic shadow of being finitely presented. A long s
 tanding question was whether these two classes are equivalent. This was sh
 own to be false in the work of Bestvina and Brady. More recently\, there a
 re many new examples of groups of type $FP_2$ coming with various interest
 ing properties. I will begin with an introduction to the finiteness proper
 ty $FP_2$. I will end by giving a construction to find groups that are of 
 type $FP_2(\\mathbb{F})$ for all fields $\\mathbb{F}$ but not $FP_2(\\math
 bb{Z})$.\n
LOCATION:https://researchseminars.org/talk/McGillGGT/5/
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