Showing math.RAShow all
2 papers · 1 filter
math.RA2019
The twisted group ring isomorphism problem over fields
L. Margolis, O. Schnabel
Similarly to how the classical group ring isomorphism problem asks, for a commutative ring , which information about a finite group is encoded in the group ring , the tw…
math.RA2016
Groups of central type, maximal Connected Gradings and Intrinsic Fundamental Groups of Complex Semisimple Algebras
Yuval Ginosar, Ofir Schnabel
Maximal connected grading classes of a finite-dimensional algebra are in one-to-one correspondence with Galois covering classes of which admit no proper Galois covering and…