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关于双环图的算术几何谱半径
Computational and Applied Mathematics ( IF 2.5 ) Pub Date : 2023-09-12 , DOI: 10.1007/s40314-023-02449-w Yan Yuan
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更新日期:2023-09-14
Computational and Applied Mathematics ( IF 2.5 ) Pub Date : 2023-09-12 , DOI: 10.1007/s40314-023-02449-w Yan Yuan
图G的算术几何谱半径是G的算术几何矩阵的最大特征值,其 ( u , v ) 项为\(\frac{d_u+d_v}{2\sqrt{d_ud_v}}\)如果u和v相邻,则\(u,v\in V(G)\)为 0 ,否则为 0,其中\(d_u\)表示G中顶点u的度数。我们用\(n\ge 5\)确定所有n顶点双环图上具有最大和次大算术几何谱半径的图。
"点击查看英文标题和摘要"