Journal of Computer Chemistry, Japan
Online ISSN : 1347-3824
Print ISSN : 1347-1767
ISSN-L : 1347-1767
Letters (Selected Paper)
Discovery of “Dormant” Generating Isospectral Pair of Tree Graphs
Haruo HOSOYA
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Keywords: Isospectral tree graph, Cospectral graph, Endospectral graph, Characteristic polynomial, Topological index, Hosoya index, Zindex, Z-counting polynomial, Dormant, Sprout
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2017 Volume 16 Issue 4 Pages 106-107

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Abstract

By using the Z-index a useful algorithm for obtaining such "dormant graphs" was discovered, which systematically generates pairs of isospectral tree graphs, although mathematical rigorousness is not yet completely attained.

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© 2017 Society of Computer Chemistry, Japan
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