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math.CO2023★ 1 cited
Vines and MAT-labeled graphs
Hung Manh Tran, Tan Nhat Tran, Shuhei Tsujie
The present paper explores a connection between two concepts arising from different fields of mathematics. The first concept, called vine, is a graphical model for dependent random…
math.CO2023
A type analog of Ish arrangement
Tan Nhat Tran, Shuhei Tsujie
The Shi arrangement due to Shi (1986) and the Ish arrangement due to Armstrong (2013) are deformations of the type Coxeter arrangement that share many common properties. Motiva…