Cospectral mates for the union of some classes in the Johnson association scheme. - Sebastian M. Cioaba; Travis Johnston; Matt McGinnis (CoRR, 2017)

The smallest eigenvalues of Hamming graphs, Johnson graphs and other distance-regular graphs with classical parameters. - Andries E. Brouwer; Sebastian M. Cioaba; Ferdinand Ihringer; Matt McGinnis (J. Comb. Theory B, 2018)