17 citations · 55 across the 17 of their papers we have counts for
Showing 2021Show all
2 papers · 1 filter
math.CO2021★ 2 cited
Vertex-weighted Digraphs and Freeness of Arrangements Between Shi and Ish
Takuro Abe, Tan Nhat Tran, Shuhei Tsujie
We introduce and study a digraph analogue of Stanley's -graphical arrangements from the perspectives of combinatorics and freeness. Our arrangements form a common generalization…
math.CO2021★ 1 cited
Period collapse in characteristic quasi-polynomials of hyperplane arrangements
Akihiro Higashitani, Tan Nhat Tran, Masahiko Yoshinaga
Given an integral hyperplane arrangement, Kamiya-Takemura-Terao (2008 & 2011) introduced the notion of characteristic quasi-polynomial, which enumerates the cardinality of the comp…