SPECTRA OF K_(m(r))

SPECTRA OF K_(m(r))

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摘要 It is well known that the eigenvalues of a strongly regular graph with parameters(n,k,a,c),are k and the two roots of the quadratic equation x^2-(a-c)x-(k-c)=0.And the multiplicities can be determined.This gives an alternative method of determined its spectra,this article is based on one typical strongly regular graph K_(m(r)). It is well known that the eigenvalues of a strongly regular graph with parameters（n,k,a,c）,are k and the two roots of the quadratic equation x^2-（a-c）x-（k-c）=0.And the multiplicities can be determined.This gives an alternative method of determined its spectra,this article is based on one typical strongly regular graph K_（m（r））.

作者袁晓莉

机构地区广东建设职业技术学院

出处《科技信息》 2010年第15X期192-192,230,共2页 Science & Technology Information

关键词正则图特征值二次方程数学 Strongly regular graph Complete m-partite graph Km（,） Imprimitive Complement graph

分类号 O157.5 [理学—基础数学]

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参考文献6

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SPECTRA OF K_(m(r))

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