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math.AC2017
Regularity of powers of cover ideals of unimodular hypergraphs
Nguyen Thu Hang, Tran Nam Trung
Let $\H$ be a unimodular hypergraph over the vertex set and let be the cover ideal of $\H$ in the polynomial ring . We show that $\reg J(\H)^s$ i…
math.AC2017
Regularity of symbolic powers and Arboricity of matroids
Nguyen Cong Minh, Tran Nam Trung
Let be a simplicial complex of a matroid . In this paper, we explicitly compute the regularity of all the symbolic powers of a Stanley-Reisner ideal in terms of combin…