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math.AG2026
Self-inverse linear subspaces of matrices
Rodica Andreea Dinu, Martin VodiÄka
We study linear subspaces of matrices whose inverse spaces are also linear. Based on the fact that any linear space containing the identity matrix and whose inverse space is linear…
math.AG2025
Proof of a Conjecture of Drton, Sturmfels and Sullivant on the maximum likelihood degree of the Gaussian graphical model of a cycle
Rodica Andreea Dinu, Martin VodiÄka
In this article, we compute the precise value of the maximum likelihood degree of the Gaussian graphical model of a cycle, confirming a conjecture due to Drton, Sturmfels and Sulli…
math.AG2024
Phylogenetic degrees for Jukes-Cantor model
Rodica Andreea Dinu, Martin VodiÄka
Jukes-Cantor model is one of the most meaningful statistical models from a biological perspective. We are interested in computing the algebraic degrees for phylogenetic varieties,…