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Note the T-shape tree is determined by its Laplacian spectrum

✍ Scribed by Wei Wang; Cheng-Xian Xu

Publisher: Elsevier Science
Year: 2006
Tongue: English
Weight: 93 KB
Volume: 419
Category: Article
ISSN: 0024-3795
DOI: 10.1016/j.laa.2006.04.005

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A tree is called double starlike if it has exactly two vertices of degree greater than 2. We denote by H n (p, p) (n ≥ 2, p ≥ 1) one special double starlike graph. In this work, graph H n (p, p) will be proved to be determined by its Laplacian spectrum.

Dr. Charles Rice**Presented by J. T. Llo

Dr. Charles Rice**Presented by J. T. Lloyd, Section on Historical Pharmacy, A. Ph. A., Dallas meeting, 1936, who stated as follows:To account for the origin of this paper, I will explain that it is the stenographic record of a statement made by my father, about fifteen years ago, in response to my request that he tell me what he knew concerning Dr. Charles Rice. When the notes were transcribed I submitted the paper to my father for approval or correction. He made little if any change, but requested me not to make use of it during his lifetime. This paper I am now presenting.– J. T. Lloyd.

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