Hechao Liu

526 total citations
47 papers, 322 citations indexed

About

Hechao Liu is a scholar working on Geometry and Topology, Organic Chemistry and Computational Theory and Mathematics. According to data from OpenAlex, Hechao Liu has authored 47 papers receiving a total of 322 indexed citations (citations by other indexed papers that have themselves been cited), including 43 papers in Geometry and Topology, 31 papers in Organic Chemistry and 30 papers in Computational Theory and Mathematics. Recurrent topics in Hechao Liu's work include Graph theory and applications (43 papers), Synthesis and Properties of Aromatic Compounds (27 papers) and Computational Drug Discovery Methods (19 papers). Hechao Liu is often cited by papers focused on Graph theory and applications (43 papers), Synthesis and Properties of Aromatic Compounds (27 papers) and Computational Drug Discovery Methods (19 papers). Hechao Liu collaborates with scholars based in China, India and Serbia. Hechao Liu's co-authors include Lihua You, Yufei Huang, Zikai Tang, İvan Gutman, Yufei Huang, Weilin Zhang, Ling Song, Selvaraj Balachandran, Jinlian Zhang and Hanyuan Deng and has published in prestigious journals such as SHILAP Revista de lepidopterología, Applied Mathematics and Computation and International Journal of Quantum Chemistry.

In The Last Decade

Hechao Liu

40 papers receiving 300 citations

Peers

Hechao Liu
Zikai Tang China
Emina Milovanović Serbia
Haidar Ali Pakistan
Süleyman Ediz Türkiye
Izudin Redžepović Serbia
Mahdieh Azari Iran
Muhammad Ahsan Binyamin Pakistan
Akhlaq Ahmad Bhatti Pakistan
K. Pattabiraman India
Mehdi Eliasi Iran
Zikai Tang China
Hechao Liu
Citations per year, relative to Hechao Liu Hechao Liu (= 1×) peers Zikai Tang

Countries citing papers authored by Hechao Liu

Since Specialization
Citations

This map shows the geographic impact of Hechao Liu's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Hechao Liu with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Hechao Liu more than expected).

Fields of papers citing papers by Hechao Liu

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Hechao Liu. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Hechao Liu. The network helps show where Hechao Liu may publish in the future.

Co-authorship network of co-authors of Hechao Liu

This figure shows the co-authorship network connecting the top 25 collaborators of Hechao Liu. A scholar is included among the top collaborators of Hechao Liu based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Hechao Liu. Hechao Liu is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Liu, Hechao, et al.. (2025). Bounds for the Atom-Bond Sum-Connectivity Index of Graphs. match Communications in Mathematical and in Computer Chemistry. 94(3). 805–824.
2.
Liu, Hechao, et al.. (2025). Tight conditions for spanning trees with leaf degree at most k in graphs. Discrete Applied Mathematics. 374. 97–104.
3.
You, Lihua, et al.. (2024). Signed graphs with exactly two distinct main eigenvalues. Linear Algebra and its Applications. 695. 1–27.
4.
Liu, Hechao, et al.. (2024). Some sufficient conditions for graphs to be k-leaf-connected. Discrete Applied Mathematics. 352. 1–8. 2 indexed citations
5.
Liu, Hechao & Lihua You. (2024). Extremal Kirchhoff index in polycyclic chains. Discrete Applied Mathematics. 348. 292–300. 3 indexed citations
6.
Hua, Hongbo & Hechao Liu. (2024). Some results on vulnerability parameters and Wiener-type indices. Discrete Applied Mathematics. 358. 262–271.
7.
Liu, Hechao, et al.. (2024). On sufficient conditions for Hamiltonicity of graphs, and beyond. Journal of Combinatorial Optimization. 47(2). 3 indexed citations
8.
Liu, Hechao. (2023). Mathematical and chemical properties of geometry-based invariants and its applications. Journal of Molecular Structure. 1291. 136060–136060. 3 indexed citations
9.
Liu, Hechao, et al.. (2023). The Design of Large Curved Waveguide Based on Sunflower Graded Photonic Crystal. Photonics. 10(7). 781–781. 2 indexed citations
10.
Liu, Hechao & Yufei Huang. (2023). Sharp bounds on the symmetric division deg index of graphs and line graphs. Computational and Applied Mathematics. 42(6). 4 indexed citations
11.
You, Lihua, et al.. (2023). The Sombor Index and Coindex of Chemical Graphs. Polycyclic aromatic compounds. 44(5). 2942–2965. 3 indexed citations
12.
You, Lihua, et al.. (2023). Further results on almost controllable graphs. Linear Algebra and its Applications. 677. 31–50. 3 indexed citations
13.
Liu, Hechao, Lihua You, & Yufei Huang. (2023). Sombor Index of c-Cyclic Chemical Graphs. match Communications in Mathematical and in Computer Chemistry. 90(2). 495–504. 4 indexed citations
14.
Liu, Hechao, et al.. (2023). Note on the Minimum Bond Incident Degree Indices of k-Cyclic Graphs. match Communications in Mathematical and in Computer Chemistry. 91(1). 255–266. 4 indexed citations
15.
Liu, Hechao. (2022). Multiplicative Sombor Index of Graphs. SHILAP Revista de lepidopterología. 9. 80–85. 4 indexed citations
16.
Liu, Hechao, Lihua You, Yufei Huang, & Zikai Tang. (2022). On Extremal Sombor Indices of Chemical Graphs, and Beyond. match Communications in Mathematical and in Computer Chemistry. 89(2). 415–436. 7 indexed citations
17.
Liu, Hechao & Zikai Tang. (2020). Maximal hyper-Zagreb index of trees, unicyclic and bicyclic graphs with a given order and matching number. SHILAP Revista de lepidopterología. 2 indexed citations
18.
Liu, Hechao, et al.. (2020). Some Indices in the Random Spiro Chains. 11(4). 255–270. 1 indexed citations
19.
Liu, Hechao, et al.. (2020). On Edge Mostar Index of Graphs. 11(2). 95–106. 8 indexed citations
20.
Liu, Hechao, Lihua You, & Zikai Tang. (2019). On the Revised Edge-Szeged Index of Graphs. 10(4). 279–293. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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