2 papers
math.AT2025
Cohomology of and rings of invariants of Weyl groups
Feifei Fan, Jiaxi Zha, Zhilei Zhang +1
Let denote the projective unitary group of rank and be its classifying space, for . Using the Serre spectral sequence associated to the fibration $BU_n\to B…
math.AT2024
On the p-primary subgroups of the cohomology of the classifying spaces of PUn
Zhilei Zhang, Linan Zhong
Let denote the projective unitary group of rank , and let be its classifying space. We extend our previous results to a description of $H^s(BPU_n;\mathbb{Z})_{(p)…