Author = Hechao Liu
Some Properties of the Leap Eccentric Connectivity Index of Graphs

Volume 11, Issue 4, December 2020, Pages 227-237

Ling Song; Liu Hechao; Tang Zikai


Some Indices in the Random Spiro Chains

Volume 11, Issue 4, December 2020, Pages 255-270

Hechao Liu; Mingyao Zeng; Hanyuan Deng; Zikai Tang


On Edge Mostar Index of Graphs

Volume 11, Issue 2, July 2020, Pages 95-106

Hechao Liu; Ling Song; Qiqi Xiao; Zikai Tang