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Hyperbolic subgroups of type FP_2(Ring)

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If you have a question about this talk, please contact Alexis Marchand .

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In 1996 Gersten proved that if G is a word hyperbolic group of cohomological dimension 2 and H is a subgroup of type FP_2, then H is hyperbolic as well. In this talk, I will present a project with Robert Kropholler and Vlad Vankov generalising this result to show that the same is true if G is only assumed to have cohomological dimension 2 over some ring R and H is of type FP_2®.

This talk is part of the Junior Geometry Seminar series.

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In person in the Max Perutz Lecture Theatre (CB2 0QH) and via Zoom link https://mrc-lmb-cam-ac-uk.zoom.us/j/99006584805?pwd=yFgF0P1zMvOJEKkOES4eNPpntaUodk.1 Webinar & FW11, Computer Laboratory, William Gates Building. Six Bells Public House, Fulbourn High Street,

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