Petter Brändén
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| title | conference | date |
|---|---|---|
| Linear Preservers of Stable and Lorentzian Polynomials and Deformations of Hyperbolicity Cones | Hyperbolic Polynomials and Hyperbolic Programming | 2019-04-30 |
Linear operators on bounded-degree polynomials preserve complex stability exactly when their algebraic symbol criterion is stable, and that extends to… | ||
| Negative Dependence and Lorentzian Polynomials | Deterministic Counting, Probability, and Zeros of Partition Functions (Simons Institute workshop, 2019) | 2019-03-18 |
Claims that the random cluster / q‑state Potts partition function is Lorentzian for q ≤ 1, proves the support is a matroid/poly‑matroid and reduces many checks… | ||
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