3 citations · 3 across the 1 of their papers we have counts for
2 papers
math.AG2017
Positive Semidefinite Univariate Matrix Polynomials
Christoph Hanselka, Rainer Sinn
We study sum-of-squares representations of symmetric univariate real matrix polynomials that are positive semidefinite along the real line. We give a new proof of the fact that eve…
math.RA2017★ 3 cited
Skolem-Noether algebras
Matej Brešar, Christoph Hanselka, Igor Klep +1
An algebra is called a Skolem-Noether algebra (SN algebra for short) if for every central simple algebra , every homomorphism extends to an inner automorph…