Some classes of integral graphs which belong to the class αKa U βKb,b
2003 ◽
Vol 74
(88)
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pp. 25-36
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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 ?Ka U ?Kb,b, where mG denotes the m-fold union of the graph G. In this work we investigate integral graphs from the class ?Ka U ?Kb,b with ?1 = a+b where ?1 is the largest eigenvalue of ?Ka U ?Kb,b.
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2015 ◽
Vol 471
◽
pp. 587-603
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1998 ◽
Vol 280
(2-3)
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pp. 199-216
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2004 ◽
pp. 320-337
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2019 ◽
Vol 19
(04)
◽
pp. 2050068
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