Abstract
In this paper, we have studied Signless Laplacian spectrum of the power graph of finite cyclic groups. We have showed that n−2 is an eigen value of Signless Laplacian of the power graph of Zn,n≥2 with multiplicity at least ϕ(n). In particular, using the theory of Equitable Partitions, we have completely determined the Signless Laplacian spectrum of power graph of Zn for n=pq where p,q are distinct primes.
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