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- W4225675093 abstract "Let $C_2$ denote the cyclic group of order 2. We compute the $RO(C_2)$-graded cohomology of all $C_2$-surfaces with constant integral coefficients. We show when the action is nonfree, the answer depends only on the genus, the orientability of the underlying surface, the number of isolated fixed points, the number of fixed circles with trivial normal bundles, and the number of fixed circles with nontrivial normal bundles. When the action on the surface is free, we show the answer depends only on the genus, the orientability of the underlying surface, whether the action is orientation preserving versus reversing in the orientable case, and one other invariant." @default.
- W4225675093 created "2022-05-05" @default.
- W4225675093 creator A5047723773 @default.
- W4225675093 date "2021-12-08" @default.
- W4225675093 modified "2023-09-29" @default.
- W4225675093 title "The cohomology of $C_2$-surfaces with $underline{mathbb{Z}}$-coefficients" @default.
- W4225675093 hasPublicationYear "2021" @default.
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