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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.
给定参数的图的第二Laplacian谱矩的上界
【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.
【机 构】
：
山东工商学院数学与信息科学学院
【出 处】
：
南开大学学报：自然科学版
【发表日期】
：
2013年1期
【基金项目】
：
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 Bus
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