Stefan Steinerberger

activity

20232026

collaborators

Showing 2024Show all

2 papers · 1 filter

math.NA2024

Randomly Pivoted Partial Cholesky: Random How?

Stefan Steinerberger

We consider the problem of finding good low rank approximations of symmetric, positive-definite $A \in R^{n \times n}$ . Chen-Epperly-Tropp-Webber showed, among many other…

math.CO2024

Conformally rigid graphs

Stefan Steinerberger, Rekha R. Thomas

Given a finite, simple, connected graph $G = (V, E)$ with $∣ V ∣ = n$ , we consider the associated graph Laplacian matrix $L = D - A$ with eigenvalues $0 = λ_{1} < λ_{2} \leq \dots \leq λ_{n}$ .…