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Spectral characterization of the complete graph removing a path: Completing the proof of Cámara–Haemers Conjecture
Discrete Mathematics ( IF 0.7 ) Pub Date : 2021-01-11 , DOI: 10.1016/j.disc.2020.112275 Muhuo Liu , Xiaofeng Gu
中文翻译:
完整图形的光谱表征消除了路径:完成Cámara–Haemers猜想的证明
更新日期:2021-01-12
Discrete Mathematics ( IF 0.7 ) Pub Date : 2021-01-11 , DOI: 10.1016/j.disc.2020.112275 Muhuo Liu , Xiaofeng Gu
A graph is if every -cospectral graph of is isomorphic to . Denote by the graph obtained from the complete graph with vertices by deleting all edges of a path with vertices. In 2014, Cámara and Haemers conjectured that is for every . The conjecture has been confirmed for (Doob and Haemers, 2002), (Cámara and Haemers, 2014), (Mao et al., 2019) and (Liu et al., 2020). In this paper, we completely settle the conjecture by proving the remaining cases.
中文翻译:
完整图形的光谱表征消除了路径:完成Cámara–Haemers猜想的证明
图 是 如果每个 的-cospectral图 同构 。表示为 从完整图获得的图 与 通过删除路径的所有边来形成顶点 与 顶点。2014年,Cámara和Haemers推测 是 每一个 。该猜想已被确认 (Doob和Haemers,2002年), (Cámaraand Haemers,2014), (Mao et al。,2019)和 (Liu et al。,2020)。在本文中,我们通过证明剩余的情况来完全解决猜想。