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Sharp Bounds on the PI Spectral Radius
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نویسنده
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NADJAFI-ARANI M. J. ,FATH-TABAR G. H. ,MIRZARGAR M.
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منبع
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iranian journal of mathematical chemistry - 2010 - دوره : 1 - شماره : 1 - صفحه:111 -117
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چکیده
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In this paper some upper and lower bounds for the greatest eigenvalues of the pi and vertex pi matrices of a graph g are obtained. those graphs for which these bounds are best possible are characterized.
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کلیدواژه
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PI Matrix ,PI Energy ,PI Spectral Radius.
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آدرس
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university of kashan, Faculty of Science, Department of Mathematics, ایران, university of kashan, Faculty of Science, Department of Mathematics, ایران, university of kashan, Faculty of Science, Department of Mathematics, ایران
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Authors
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