作为项目负责人获得国家自然科学青年基金项目，作为项目主持人获得中央高校基本科研业务项目,作为主要成员参研国家自然科学基金面上项目4项。已发表SCI论文如下： Qiu lihong, Qiu guangkun, Mao Lihuan, Generalized spectral characterizations of a new family of noncontrollable graphs. Linear Algebra Appl., 2024, 683: 211–234 Qiu lihong , Wei jingyuan, Mao Lihuan, Generalized distance spectral characterizations of graphs based on Smith Norm Form. Discrete Applied Mathematics 2024, 355: 159–168 Qiu Lihong, Wang Wei, Wang Wei, Zhang Hao. Smith Normal Form and the Generalized Spectral Characterization of Graphs, Discrete Math., 2023, 346: 113177. Qiu Lihong, Ji Yizhe, Mao Lihuan, Wang Wei,Generalized spectral characterizations of regular graphs based on graph-vectors, Linear Algebra Appl.,2023, 663: 116-141. Mao Lihuan , Wang Wei , Liu Fenjin , Qiu Lihong. Constructing cospectral graphs via regular rational orthogonal matrices with level two. Discrete Math., 2023, 346: 113156. Qiu Lihong, Wang Wei, Wang Wei, Zhang Hao. A new criterion for almost controllable graphs being determined by their generalized spectra, Discrete Math., 2022, 345: 113060. Wang Wei, Wang Wei, Qiu Lihong. Spectral characterizations of tournaments, Discrete Math., 2022,345:112918. Qiu Lihong, Wang Wei, Wang Wei. Oriented graphs determined by their generalized skew spectrum, Linear Algebra Appl., 2021, 622: 316-332. Wang Wei, Qiu Lihong, Qian Jianguo, Wang Wei. Generalized spectral characterization of mixed graphs, Electron.J.Combin., 2020, 27(4). Qiu Lihong, Ji Yizhe, Wang Wei. On a theorem of Godsil and McKay concerning the construction of cospectral graphs, Linear Algebra Appl., 2020, 603: 265-274. Qiu Lihong, Ji Yizhe, Wang Wei. On the generalized spectral characterizations of Eulerian graphs, Electron.J.Combin., 2019, 26(1). Qiu Lihong, Ji Yizhe, Wang Wei. A new arithmetic criterion for graphs being determined by their generalized Q-spectrum, Discrete Math., 2019, 342: 2770-2782. Wang Wei, Qiu Lihong, Hu Yulin. Cospectral graphs, GM-switching and regular rational orthogonal matrices of level p, Linear Algebra Appl., 2019, 563: 154-177.
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