%0 Journal Article %A Ardila, Federico %A Serrano, Luis G. %T Staircase skew Schur functions are Schur $P$-positive %J Journal of Algebraic Combinatorics %D 2012 %P 409-423 %V 36 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/JAC_2012__36_3_a3/ %G en %F JAC_2012__36_3_a3