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Tsein32
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16
Are mapping class groups of orientable surfaces good in the sense of Serre?
8
Clarification of Tillmann's construction of the higher genus surface operad
7
Why are simplicial sets contravariant functors and not covariant?
5
Dimension of the center of the group algebra is equal to the number of irreducible representations- Without using character theory
5
Does the genus $g$ surface for $g\geq 2$ cover the surface of genus 2?