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arXiv:2405.08256 [math.AT]AbstractReferencesReviewsResources

The cohomology of the classifying space of $PU(4)$

Feifei Fan

Published 2024-05-14Version 1

Let $BPU(n)$ be the classifying space of the projective unitary group $PU(n)$. We determine the integral cohomology ring of $BPU(4)$, and the Steenrod algebra structure of its mod $2$ cohomology.

Comments: 25 pages
Categories: math.AT
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