Centrality of the congruence subgroup kernel of higher rank non-uniform arithmetic groups

2021/08/20 by Venkataramana, Tyakal N.
#20 G 30 #20G 35 #FOS: Mathematics #Group Theory (math.GR) #Number Theory (math.NT)

paper · doi:10.48550/arxiv.2108.09006

Abstract

We give here a simple proof of the centrality of the congruence subgroup kernel in the higher rank isotropic case.

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