%0 Journal Article %A Gu, Xiaofeng %A Haemers, Willem H. %T Graph toughness from Laplacian eigenvalues %J Algebraic Combinatorics %D 2022 %P 53-61 %V 5 %N 1 %I MathOA foundation %U https://alco.centre-mersenne.org/articles/10.5802/alco.197/ %R 10.5802/alco.197 %G en %F ALCO_2022__5_1_53_0