Zhejiang Normal University

output

20052011

most citedAccurate numerical solution to the finite-size Dicke model

156 citations

Showing 2010 · math.COShow all

3 papers · 2 filters

math.CO2010

Independent Sets in Direct Products of Vertex-transitive Graphs

Huajun Zhang

The direct product $G \times H$ of graphs $G$ and $H$ is defined by: \[V(G\times H)=V(G)\times V(H)\] and \[E(G\times H)=\left\{[(u_1,v_1),(u_2,v_2)]: (u_1,u_2)\in E(G) \mbox{\ and\…

math.CO2010★ 2 cited

Cross-intersecting families and primitivity of symmetric systems

Jun Wang, Huajun Zhang

Let $X$ be a finite set and $p \subseteq 2^{X}$ , the power set of $X$ , satisfying three conditions: (a) $p$ is an ideal in $2^{X}$ , that is, if $A \in p$ an…

math.CO2010★ 4 cited

On a conjecture about enumerating $(2 + 2)$ -free posets

Sherry H. F. Yan

Recently, Kitaev and Remmel posed a conjecture concerning the generating function for the number of unlabeled $(2 + 2)$ -free posets with respect to number of elements and number of m…

Independent Sets in Direct Products of Vertex-transitive Graphs

Cross-intersecting families and primitivity of symmetric systems

On a conjecture about enumerating (2+2)-free posets

On a conjecture about enumerating $(2 + 2)$ -free posets