DOI: 10.1017/fms.2026.10294 ISSN: 2050-5094

Degree of the Gaussian graphical model of the cycle

Rodica Andreea Dinu, Mateusz Michałek, Martin Vodička

Abstract

We prove a conjecture due to Sturmfels and Uhler concerning the degree of the projective variety associated to the Gaussian graphical model of the cycle. We involve new methods based on the intersection theory on the space of complete quadrics.

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