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Torsion homology of arithmetic lattices and K2 of imaginary fields
Published 25 Mar 2013 in math.KT, math.GT, and math.NT | (1303.6132v2)
Abstract: We study upper bounds for the torsion in homology of nonuniform arithmetic lattices. Together with recent results of Calegari-Venkatesh, this can be used to obtain upper bounds on K2 of the ring of integers of totally imaginary fields.
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