Hechao Liu

According to our database, Hechao Liu authored at least 17 papers between 2012 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

On sufficient conditions for Hamiltonicity of graphs, and beyond.

Hechao Liu, Lihua You, Yufei Huang, Zenan Du

J. Comb. Optim., March, 2024

Sharp upper bound on the Sombor index of bipartite graphs with a given diameter.

Zhen Wang, Fang Gao, Duoduo Zhao, Hechao Liu

J. Appl. Math. Comput., February, 2024

Almost controllable graphs and beyond.

Zenan Du, Lihua You, Hechao Liu

Discret. Math., January, 2024

2023

The minimum Sombor index of trees with given number of pendant vertices.

Venkatesan Maitreyi, Suresh Elumalai, Selvaraj Balachandran, Hechao Liu

Comput. Appl. Math., December, 2023

Sharp bounds on the symmetric division deg index of graphs and line graphs.

Hechao Liu, Yufei Huang

Comput. Appl. Math., September, 2023

Proof of an open problem on the Sombor index.

Hechao Liu

J. Appl. Math. Comput., June, 2023

Comparison between Merrifield-Simmons index and some vertex-degree-based topological indices.

Hechao Liu

Comput. Appl. Math., March, 2023

2022

On the first three minimum Mostar indices of tree-like phenylenes.

Hechao Liu, Lihua You, Hanlin Chen, Zikai Tang

J. Appl. Math. Comput., December, 2022

Extremal problems on Sombor indices of unicyclic graphs with a given diameter.

Hechao Liu

Comput. Appl. Math., June, 2022

On revised Szeged index of a class of unicyclic graphs.

Hechao Liu

Discret. Math. Algorithms Appl., 2022

2021

Extremal phenylene chains with respect to detour indices.

Hechao Liu, Xiaona Fang

J. Appl. Math. Comput., October, 2021

Extremal phenylene chains with respect to the Mostar index.

Hanlin Chen, Hechao Liu, Qiqi Xiao, Jinlian Zhang

Discret. Math. Algorithms Appl., 2021

The expected values and variances for Sombor indices in a general random chain.

Weilin Zhang, Lihua You, Hechao Liu, Yufei Huang

Appl. Math. Comput., 2021

2020

The hyper-Zagreb index of cacti with perfect matchings.

Hechao Liu, Zikai Tang

AKCE Int. J. Graphs Comb., 2020

2019

Minimum Szeged index among unicyclic graphs with perfect matchings.

Hechao Liu, Hanyuan Deng, Zikai Tang

J. Comb. Optim., 2019

Comparison between the non-self-centrality number and the total irregularity of graphs.

Zikai Tang, Hechao Liu, Huimin Luo, Hanyuan Deng

Appl. Math. Comput., 2019

2012

Affine Model Based Motion Compensation Prediction for Zoom.

Hui Yuan, Ju Liu, Jiande Sun, Hechao Liu, Yujun Li

IEEE Trans. Multim., 2012