%0 Journal Article %A Evan Chen %T Schur-concavity for avoidance of increasing subsequences in block-ascending permutations %J The electronic journal of combinatorics %D 2017 %V 24 %N 4 %U http://geodesic.mathdoc.fr/articles/10.37236/7250/ %R 10.37236/7250 %F 10_37236_7250