TY - JOUR AU - Anders Skovsted Buch TI - Mutations of puzzles and equivariant cohomology of two-step flag varieties JO - Annals of mathematics PY - 2015 SP - 173 EP - 220 VL - 182 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4007/annals.2015.182.1.4/ DO - 10.4007/annals.2015.182.1.4 LA - en ID - 10_4007_annals_2015_182_1_4 ER -