Hechao Liu

29 papers Journal 29
YearRankTypeTitle / Venue / Authors
2026 J jnl
Enumeration of spanning trees and resistance distances of generalized blow-up graphs.
Discret. Appl. Math.
Hechao Liu, Lu Li, Lihua You, Hongbo Hua, Liang Chen
2026 J jnl
Further results on signed graphs with exactly two distinct main eigenvalues.
Discret. Math.
Zenan Du, Lihua You, Hechao Liu
2026 J jnl
Signless Laplacian spectral conditions for even factors in graphs.
Discret. Appl. Math.
Lu Li, Hechao Liu, Hongbo Hua, Zenan Du
2025 J jnl
On the outdegree zeroth-order general Randić index of digraphs.
Discret. Appl. Math.
Jiaxiang Yang, Hechao Liu, Xuesong Fu
2025 J jnl
The expected values and variances for degree-based topological indices in random spiro chains.
J. Supercomput.
Weilin Zhang, Lihua You, Hechao Liu, Xiaona Fang
2025 J jnl
Tight conditions for spanning trees with leaf degree at most k in graphs.
Discret. Appl. Math.
Jifu Lin, Hechao Liu, Lihua You
2024 J jnl
A Deep Learning-Based Fault Diagnosis Approach for Power System Equipment via Infrared Image Sensing.
J. Circuits Syst. Comput.
Hechao Liu, Wei Liu
2024 J jnl
A Dynamic Obstacle Avoidance Method in Robotic Navigation Control Through YOLOv5-Based Object Detection.
J. Circuits Syst. Comput.
Hechao Liu, Wei Liu, Fahad Alblehai
2024 J jnl
Almost controllable graphs and beyond.
Discret. Math.
Zenan Du, Lihua You, Hechao Liu
2024 J jnl
Extremal Kirchhoff index in polycyclic chains.
Discret. Appl. Math.
Hechao Liu, Lihua You
2024 J jnl
On sufficient conditions for Hamiltonicity of graphs, and beyond.
J. Comb. Optim.
Hechao Liu, Lihua You, Yufei Huang, Zenan Du
2024 J jnl
Sharp upper bound on the Sombor index of bipartite graphs with a given diameter.
J. Appl. Math. Comput.
Zhen Wang, Fang Gao, Duoduo Zhao, Hechao Liu
2024 J jnl
Some results on vulnerability parameters and Wiener-type indices.
Discret. Appl. Math.
Hongbo Hua, Hechao Liu
2024 J jnl
Some sufficient conditions for graphs to be k-leaf-connected.
Discret. Appl. Math.
Hechao Liu, Lihua You, Hongbo Hua, Zenan Du
2024 J jnl
Vertex-degree function index for concave functions of graphs with a given clique number.
J. Appl. Math. Comput.
Jiaxiang Yang, Hechao Liu, Yixiang Wang
2023 J jnl
Comparison between Merrifield-Simmons index and some vertex-degree-based topological indices.
Comput. Appl. Math.
Hechao Liu
2023 J jnl
Proof of an open problem on the Sombor index.
J. Appl. Math. Comput.
Hechao Liu
2023 J jnl
Sharp bounds on the symmetric division deg index of graphs and line graphs.
Comput. Appl. Math.
Hechao Liu, Yufei Huang
2023 J jnl
The minimum Sombor index of trees with given number of pendant vertices.
Comput. Appl. Math.
Venkatesan Maitreyi, Suresh Elumalai, Selvaraj Balachandran, Hechao Liu
2022 J jnl
Extremal problems on Sombor indices of unicyclic graphs with a given diameter.
Comput. Appl. Math.
Hechao Liu
2022 J jnl
On revised Szeged index of a class of unicyclic graphs.
Discret. Math. Algorithms Appl.
Hechao Liu
2022 J jnl
On the first three minimum Mostar indices of tree-like phenylenes.
J. Appl. Math. Comput.
Hechao Liu, Lihua You, Hanlin Chen, Zikai Tang
2021 J jnl
Extremal phenylene chains with respect to detour indices.
J. Appl. Math. Comput.
Hechao Liu, Xiaona Fang
2021 J jnl
Extremal phenylene chains with respect to the Mostar index.
Discret. Math. Algorithms Appl.
Hanlin Chen, Hechao Liu, Qiqi Xiao, Jinlian Zhang
2021 J jnl
The expected values and variances for Sombor indices in a general random chain.
Appl. Math. Comput.
Weilin Zhang, Lihua You, Hechao Liu, Yufei Huang
2020 J jnl
The hyper-Zagreb index of cacti with perfect matchings.
AKCE Int. J. Graphs Comb.
Hechao Liu, Zikai Tang
2019 J jnl
Comparison between the non-self-centrality number and the total irregularity of graphs.
Appl. Math. Comput.
Zikai Tang, Hechao Liu, Huimin Luo, Hanyuan Deng
2019 J jnl
Minimum Szeged index among unicyclic graphs with perfect matchings.
J. Comb. Optim.
Hechao Liu, Hanyuan Deng, Zikai Tang
2012 J jnl
Affine Model Based Motion Compensation Prediction for Zoom.
IEEE Trans. Multim.
Hui Yuan, Ju Liu, Jiande Sun, Hechao Liu, Yujun Li