3 papers
math.CO2018
Maximum reciprocal degree resistance distance index of unicyclic graphs
Gui-Dong Yu, Xing-Xing Li, Gai-Xiang Cai
The reciprocal degree resistance distance index of a connected graph is defined as , where …
math.CO2018
Wiener Index, Hyper-wiener Index, Harary Index and Hamiltonicity of graphs
Guidong Yu, Lifang Ren, Gaixiang Cai
In this paper, we discuss the Hamiltonicity of graphs in terms of Wiener index, hyper-Wiener index and Harary index of their quasi-complement or complement. Firstly, we give some s…
math.CO2017
Spectral Radius and Hamiltonicity of graphs
Guidong Yu, Yi Fang, Yizheng Fan +1
In this paper, we study the Hamiltonicity of graphs with large minimum degree. Firstly, we present some conditions for a simple graph to be Hamilton-connected and traceable from ev…