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math.RT2022
Isogeny classes of cubic spaces
Arthur Bik, Alessandro Danelon, Andrew Snowden
A cubic space is a vector space equipped with a symmetric trilinear form. Two cubic spaces are isogeneous if each embeds into the other. A cubic space is non-degenerate if its form…
math.CO2022
Classifying one-dimensional discrete models with maximum likelihood degree one
Arthur Bik, Orlando Marigliano
We propose a classification of all one-dimensional discrete statistical models with maximum likelihood degree one based on their rational parametrization. We show how all such mode…
math.AG2022
The Geometries of Jordan nets and Jordan webs
Arthur Bik, Henrik Eisenmann
A Jordan net (resp. web) is an embedding of a unital Jordan algebra of dimension (resp. ) into the space of symmetric matrices. We study the geome…