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math.AG2024
Homaloidal Polynomials and Gaussian Models of Maximum Likelihood Degree One
Shelby Cox, Pratik Misra, Pardis Semnani
We study the Gaussian statistical models whose log-likelihood function has a unique complex critical point, i.e., has maximum likelihood degree one. We exploit the connection devel…
math.AG2021
The Set of Orthogonal Tensor Trains
Pardis Semnani, Elina Robeva
In this paper we study the set of tensors that admit a special type of decomposition called an orthogonal tensor train decomposition. Finding equations defining varieties of low-ra…