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math.CO2022★ 1 cited
Partial permutohedra
Roger E. Behrend, Federico Castillo, Anastasia Chavez +4
Partial permutohedra are lattice polytopes which were recently introduced and studied by Heuer and Striker. For positive integers and , the partial permutohedron $\mathcal{P…
math.CO2022★ 2 cited
Critical groups of arithmetical structures under a generalized star-clique operation
Alexander Diaz-Lopez, Joel Louwsma
An arithmetical structure on a finite, connected graph without loops is given by an assignment of positive integers to the vertices such that, at each vertex, the integer there is…