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math.AT2021★ 1 cited
Oriented and unitary equivariant bordism of surfaces
Andrés Angel, Eric Samperton, Carlos Segovia +1
Fix a finite group . We study and , the unitary and oriented bordism groups of smooth -equivariant compact surfaces, respectively, and we calculate th…
math.GT2021★ 5 cited
Free actions on surfaces that do not extend to arbitrary actions on 3-manifolds
Eric Samperton
We provide the first known example of a finite group action on an oriented surface that is free, orientation-preserving, and does not extend to an arbitrary (in particular, pos…