Title On the spectral radius of the adjacency matrix and signless Laplacian matrix of a graph Type of Research Article Keywords On the spectral radius of the adjacency matrix and signless Laplacian matrix of a graph Abstract On the spectral radius of the adjacency matrix and signless Laplacian matrix of a graph Researchers Akbar Jahanbani (First Researcher)، Seyed Mahmoud Sheikholeslami Kavkani (Second Researcher)