Rank conditions for finite group actions on 4-manifolds Academic Article uri icon

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abstract

  • AbstractLet M be a closed, connected, orientable topological $4$ -manifold, and G be a finite group acting topologically and locally linearly on M. In this paper, we investigate the spectral sequence for the Borel cohomology $H^*_G(M)$ and establish new bounds on the rank of G for homologically trivial actions with discrete singular set.

publication date

  • April 2022