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    朱艳丽,刘木伙,李倩. 由Laplaeian谱确定的单圈图[J]. 华南农业大学学报, 2009, 30(1). DOI: 10.7671/j.issn.1001-411X.2009.01.027
    引用本文: 朱艳丽,刘木伙,李倩. 由Laplaeian谱确定的单圈图[J]. 华南农业大学学报, 2009, 30(1). DOI: 10.7671/j.issn.1001-411X.2009.01.027
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    ZHU Yan-li,LIU Mu-huo,LI Qian. The Unicyclic Graphs Which are Determined by Their Laplacian Spectra[J]. Journal of South China Agricultural University, 2009, 30(1). DOI: 10.7671/j.issn.1001-411X.2009.01.027
    Citation: ZHU Yan-li,LIU Mu-huo,LI Qian. The Unicyclic Graphs Which are Determined by Their Laplacian Spectra[J]. Journal of South China Agricultural University, 2009, 30(1). DOI: 10.7671/j.issn.1001-411X.2009.01.027
    shu

    由Laplaeian谱确定的单圈图

    The Unicyclic Graphs Which are Determined by Their Laplacian Spectra

      摘要
    • 摘要: 利用同Laplacian谱图的线图及有相同生成树数目的特点证明了2类特殊的单圈图,即C(n2,2n)(n=4k,kN)和C(r,n-r 1)(nN),由它们的Laplacian谱确定.

       

      Abstract: By using the properties of Laplacian cospectral graphs,it is proved that two special classes of unicyclic graphs,i.e.,C(n2,n2)(n=4k,k N) and C(r,n-r 1)(n N),are determined by their Laplacian spectra.

       

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