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math.DG2015★ 5 cited
On endomorphisms of the Einstein gyrogroup in arbitrary dimension
Péter E. Frenkel
We determine the automorphisms and the continuous endomorphisms of the Einstein gyrogroup in arbitrary dimension. This generalizes a recent result of Lajos Molnár and Dániel Virosz…
math.CO2015★ 6 cited
Chromatic roots and limits of dense graphs
Peter Csikvari, Peter E. Frenkel, Jan Hladky +1
In this short note we observe that recent results of Abert and Hubai and of Csikvari and Frenkel about Benjamini--Schramm continuity of the holomorphic moments of the roots of the…
math.RA2015
Polynomial identities for matrices over the Grassmann algebra
Péter E. Frenkel
We determine minimal Cayley--Hamilton and Capelli identities for matrices over a Grassmann algebra of finite rank. For minimal standard identities, we give lower and upper bounds o…