Esther Beneish

collaborators

3 papers

math.NT2014

Invertible Lattices

Esther Beneish, Ming-chang Kang

Theorem. Let $π$ be a finite group of order $n$ , $R$ be a Dedekind domain satisfying that (i) $\fn{char}R=0$, (ii) every prime divisor of $n$ is not invertible in $R$ , and (iii) $p…

math.QA2014

Coverings of graded pointed Hopf algebras

William Chin, Esther Beneish

We introduce the concept of a covering of a graded pointed Hopf algebra. The theory developed shows that coverings of a bosonized Nichols algebra can be concretely expressed by bip…

math.RA2007

The center of the generic algebra of degree p

Esther Beneish

Let $F$ be an algebraically closed field of characteristic zero, and let $p$ be an odd prime. We show that the center of the generic division algebra of degree $p$ is stably ration…