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In this note, we study graphs with two main and two plain eigenvalues. Besides some other characterization results, we characterize the disconnected graphs with two main and two plain eigenvalues. Moreover, we provide several families of examples of such graphs.

Original publication

DOI

10.2298/AADM1702244H

Type

Journal article

Journal

Applicable analysis and discrete mathematics

Publication Date

01/01/2017

Volume

11

Pages

244 - 257