Some properties of Laplacian eigenvalues for generalized star graphs
Kragujevac Journal of Mathematics, Tome 27 (2005) no. 1.

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Kragujevac J. Math. 27 (2005) 145-162. SOME PROPERTIES OF LAPLACIAN EIGENVALUES FOR GENERALIZED STAR GRAPHSKinkar Ch. DasIndian Statistical Institute, New Delhi, 110016, India (e-mail: kinkar@mailcity.com)(Received April 18, 2005) Abstract. In this paper, we discuss all the Laplacian eigenvalues for generalized star graphs. When it is not possible to find the exact eigenvalues, we have given the upper and lower bounds. Moreover, we compare these bounds with the existing bounds in the literature .
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     author = {Kinkar Ch. Das},
     title = {Some properties of {Laplacian} eigenvalues for generalized star graphs},
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Kinkar Ch. Das. Some properties of Laplacian eigenvalues for generalized star graphs. Kragujevac Journal of Mathematics, Tome 27 (2005) no. 1. http://geodesic.mathdoc.fr/item/KJM_2005_27_1_a9/