Nguyen Thu Hang

activity

20172026

collaborators

4 papers

math.AC2026

V-numbers of powers of cover ideals of unimodular hypergraphs

Nguyen Thu Hang, Thanh Vu

Let $H$ be a unimodular hypergraph with cover ideal $J (H)$ . We prove that the local $v$ -numbers of $J (H)^{t}$ are linear in $t$ for all $t \geq 1$ . We further show that the global $v$ -n…

math.AC2026

Ordered alternating paths and the depth of symbolic powers of cover ideals of graphs

Nguyen Thu Hang, Nguyen Thi Thanh Tam, Thanh Vu

Let $G$ be a simple graph with cover ideal $J (G)$ in a polynomial ring $S$ in $∣ V (G) ∣$ variables. For a matching $M$ of $G$ , we denote by $ℓ (M)$ the length of the longest $M$ -al…

math.AC2024

Regularity of Powers and symbolic powers of edge ideals of cubic circulant graphs

Nguyen Thu Hang, My Hanh Pham, Thanh Vu

We compute the regularity of powers and symbolic powers of edge ideals of all cubic circulant graphs. In particular, we establish Conjecture of Minh for cubic circulant graphs.

math.AC2017

Stability of depth functions of cover ideals of balanced hypergraphs

Nguyen Thu Hang

We prove that the depth functions of cover ideals of balanced hyper- gragh have the non-increasing property. Furthermore, we also give a bound for the index of depth stability of t…