3 citations · 4 across the 3 of their papers we have counts for
3 papers
math.AG2023★ 1 cited
Integrating Spectrahedra
Julian Vill
Given a linear map on the vector space of symmetric matrices, every fiber intersected with the set of positive semidefinite matrices is a spectrahedron. Using the notion of the fib…
math.AG2021★ 3 cited
Gram Spectrahedra of Ternary Quartics
Julian Vill
The Gram spectrahedron of a real form parametrizes all sum of squares representations of . It is a compact, convex, semi-algebraic set, and…
math.AG2020
Dimensions of faces of Gram spectrahedra
Julian Vill
Let be a sum of squares. The Gram spectrahedron of is a compact, convex set that parametrizes all sum of squares representations of . Let $F\subseteq\mathrm{G…