8 papers · 1 filter
Edge and spectral conditions for rainbow bipancyclicity in bipartite graph collections
Lihua You, Xiaoxue Zhang, Xinghui Zhao
Let be a collection of not necessarily distinct balanced bipartite graphs of order with a common bipartition . A cycle with $V(C…
Edge and spectral conditions for rainbow pancyclicity in graph collections
Lihua You, Xiaoxue Zhang, Xinghui Zhao
Let be a collection of not necessarily distinct -vertex graphs with a common vertex set . A cycle with and $|E(C)|\leq…
Two problems on booksize and triangular edges in Nosal graphs
Xinghui Zhao, Lihua You, Jing Zeng +1
A graph with edges is said to be a Nosal graph if . For a graph , we write for its maximum book size and for the number of edges contained…
Rainbow panconnectivity in a graph collection
Menghan Ma, Lihua You, Xiaoxue Zhang
Let be a collection of not necessarily distinct -vertex graphs with the same vertex set . A path with and $|E(P)|\leq…
The saturation number of
Xinghui Zhao, Lihua You, Xiaoxue Zhang
For a given graph , a graph is said to be -saturated if contains no copy of but for any edge , contains a copy of . The saturation number…
Transversal and Hamiltonicity in a bipartite graph collection
Menghan Ma, Lihua You, Xiaoxue Zhang
Let be a collection of bipartite graphs with the same bipartition . For a path with and , if there exists an in…
Saturation numbers of
Xiaoxue Zhang, Lihua You, Xinghui Zhao
A graph is called -saturated if contains no copy of , but contains a copy of for any edge . The saturation number of is the minimu…
The connectedness of friends-and-strangers graphs about graph parameters and others
Xinghui Zhao, Lihua You, Jifu Lin +1
Let and be two graphs of order . The friends-and-strangers graph of and is a graph whose vertex set consists of all bijections $σ: V(X)\righta…