Igor Klep

6 citations · 6 across the 2 of their papers we have counts for

collaborators

2 papers

math.OC2024

Positivstellensätze and Moment problems with Universal Quantifiers

Xiaomeng Hu, Igor Klep, Jiawang Nie

This paper studies Positivstellensätze and moment problems for sets $K$ that are given by universal quantifiers. Let $Q$ be a closed set and let $g = (g_{1}, ..., g_{s})$ be a tuple of p…

math.RA2013★ 6 cited

A tracial Nullstellensatz

Igor Klep, Špela Špenko

The main result of this note is a tracial Nullstellensatz for free noncommutative polynomials evaluated at tuples of matrices of all sizes: Suppose f_1,...,f_r,f are free polynomia…