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math.RA2022
Quotient gradings and the intrinsic fundamental group
Yuval Ginosar, Ofir Schnabel
Quotient grading classes are essential participants in the computation of the intrinsic fundamental group of an algebra . In order to study quotient gradings of a finit…
math.RA2022
Units of twisted group rings and their correlations to classical group rings
Geoffrey Janssens, Eric Jespers, Ofir Schnabel
This paper is centered around the classical problem of extracting properties of a finite group from the ring isomorphism class of its integral group ring . This p…