The cohomology of projective unitary groups

2017/10/25 by Duan, Haibao
#55N15 #55R20 #57T10 #Algebraic Topology (math.AT) #FOS: Mathematics

paper · doi:10.48550/arxiv.1710.09222

Abstract

The projective unitary group PU(n) is the quotient of the unitary group U(n) by its center. We compute the integral cohomology ring of PU(n) using explicit constructed generators.

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