3 citations · 3 across the 2 of their papers we have counts for
2 papers
math.AG2016
Characteristic Polynomials of Symmetric Matrices over the Univariate Polynomial Ring
Christoph Hanselka
Viewing a bivariate polynomial f in R[x,t] as a family of univariate polynomials in t parametrized by real numbers x, we call f real rooted if this family consists of monic polynom…
math.AG2014★ 3 cited
Definite Determinantal Representations of Ternary Hyperbolic Forms
Christoph Hanselka
We give a new and completely algebraic proof of the Helton-Vinnikov Theorem stating that every hyperbolic polynomial in three variables admits a definite linear determinantal repre…