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math.NT2023
Explicit Computations of Fundamental Classes
Nir Elber
We use the techniques of group cohomology to give explicit computations of the local fundamental class. As an application, we discuss how to compute the Tate canonical class for th…
math.GR2023
Generalized Periodicity in Group Cohomology
Nir Elber
Given a finite group , we introduce "encoding pairs," which are a pair of -modules and equipped with a shifted natural isomorphism between the cohomological functors…