Some classes of integral graphs which belong to the class αKa U βKb,b | Zendy

Mirko Lepović | Zendy

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Some classes of integral graphs which belong to the class αKa U βKb,b

Author(s) -

Mirko Lepović

Publication year - 2003

Publication title -

publications de l institut mathematique

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.246

H-Index - 17

eISSN - 1820-7405

pISSN - 0350-1302

DOI - 10.2298/pim0374025l

Subject(s) - mathematics , combinatorics , complement (music) , graph , class (philosophy) , discrete mathematics , computer science , chemistry , biochemistry , artificial intelligence , complementation , gene , phenotype

Let G be a simple graph and let G denote its complement. We say that G is integral if its spectrum consists of integral values. We have recently established a characterization of integral graphs which belong to the class fiKa ( flKb;b, where mG denotes the m-fold union of the graph G. In this work we investigate integral graphs from the class fiKa ( flKb;b with ‚1 = a+b, where ‚1 is the largest eigenvalue of fiKa ( flKb;b.

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