Nordhaus-Gaddum type inequalities for the two largest Laplacian eigenvalues. - Rodrigo Grijó; Leonardo Silva de Lima; Carla Silva Oliveira; Guilherme Porto; Vilmar Trevisan (Discret. Appl. Math., 2019)

An Interlacing Property of the Signless Laplacian of Threshold Graphs. - Christoph Helmberg; Guilherme Porto; Guilherme Torres; Vilmar Trevisan (Electron. J. Comb., 2025)