Spectra of M-bicone complement product of graphs

In this paper, we introduce a graph product, namely, M-bicone complement product and determine the generalized characteristic polynomial of the graphs obtained from this product. Consequently, we obtain the characteristic polynomial of the adjacency martix, the Laplacian matrix and the signless Laplacian matrix of these graphs. Also, from these results, we deduce the L-spectra of some significant families of M-bicone complement product of graphs. As an application, we construct infinite pairs of L-cospectral graphs.