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Buildings, surfaces and quaternions

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NPC - Non-positive curvature group actions and cohomology

Buildings are exciting objects which have geometric, algebraic and number theoretical aspects. We will give elementary constructions of several classes of buildings as universal covers of finite complexes. Then (as a geometric application) we will show a connection of our results with Gromov's surface subgroup question and (as an arithmetic application) we will give explicit examples of quaternionic lattices.



This talk is part of the Isaac Newton Institute Seminar Series series.

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Webinar & FW11, Computer Laboratory, William Gates Building. https://zoom.us/j/98205706861?pwd=MitmZ2pqVHNKWmdwMWlVUkpWZkNDdz09 Centre for Mathematical Sciences, Meeting Room 9 (centre building, basement)

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