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math.AG2023
Classification of normal phylogenetic varieties for tripods
Rodica Andreea Dinu, Martin Vodička
We provide a complete classification of normal phylogenetic varieties coming from tripods, and more generally, from trivalent trees. Let be an abelian group. We prove that the…
math.CO2023
On the rook polynomial of grid polyominoes
Rodica Dinu, Francesco Navarra
Grid polyominoes form a class of thin polyominoes with one or more holes arranged in a grid-like pattern in the plane. In this paper, we prove that the rook polynomial of grid poly…
math.AG2023
Phylogenetic degrees for claw trees
Rodica Andreea Dinu, Martin Vodička
Group-based models appear in algebraic statistics as mathematical models coming from evolutionary biology, respectively the study of mutations of organisms. Both theoretically and…