Multiplicative Sombor index of graphs by Hechao Liu

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Multi-ray channel modeling for programmable wireless environments in the terahertz band by Wenyu LUO, Hechao LIU

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Multi-ray channel modeling for programmable wireless environments in the terahertz band by Wenyu LUO, Hechao LIU

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The hyper-Zagreb index of cacti with perfect matchings by Hechao Liu, Zikai Tang

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Extremal Results on <i>ℓ</i>-Connected Graphs or Pancyclic Graphs Based on Wiener-Type Indices by Jing Zeng, Hechao Liu, Lihua You

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The Sombor index and coindex of two-trees by Zenan Du, Lihua You, Hechao Liu, Yufei Huang

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The Design of Large Curved Waveguide Based on Sunflower Graded Photonic Crystal by Wei Liu, Hechao Liu, Xiaohong Sun, Fan Zhang

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On the minimum edge–Szeged index of fully–loaded unicyclic graphs by Hechao Liu, Zhengping Qiu, Wenhao Hong, Zikai Tang

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Study on the Performance of Sunflower Quasi-Periodic Photonic Crystal Superlens by Wei Liu, Hechao Liu, Lixia Chen, Fan Zhang

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Extremal trees for the exponential reduced second Zagreb index by Hechao Liu, Hanlin Chen, Jia-Bao Liu, Zikai Tang

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Natural killer cells in obstetric antiphospholipid syndrome by Rongxiu Huo, Qianyu Guo, Junping Hu, Na Li, Hechao Liu, Zhaoliang Zhang, Liangyu Mi, Xinyue Peng, Liyun Zhang, Ke Xu, Lishao Guo

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