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给定参数的图的第二Laplacian谱矩的上界(英文)

Some Bounds for the Second Laplacian Spectral Momen of Graphs with Given Parameters
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摘要 给出了给定匹配数、点连通度或者色数的图的第二Laplacian谱矩的上界,并刻画了能够取到极值的极图. The sharp upper bounds for the second Laplacian spectral moment of graphs is presented with given matching number,connectivity and chromatic number,respectively.Moreover,the extremal graphs with the extremal values are obtained.
作者 曲慧
出处 《南开大学学报(自然科学版)》 CAS CSCD 北大核心 2013年第1期59-64,共6页 Acta Scientiarum Naturalium Universitatis Nankaiensis
基金 Supported by the Natural Science Foundation of China(10871205,11101245) the Natural Science Foundation of Shandong Province(BS2010SF017,ZR2001AQ005) the Young Foundation of Shandong Institute of Business and Technogy(2011QN066)
关键词 Laplacian谱矩 匹配数 点连通度 色数 graphs Laplacian spectral moment matching number connectivity chromatic number
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参考文献15

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