TY - JOUR AU - Cellini, Paola AU - Papi, Paolo TI - A root system criterion for fully commutative and short braid-avoiding elements in affine Weyl groups JO - Journal of Algebraic Combinatorics PY - 2000 SP - 5 EP - 16 VL - 11 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JAC_2000__11_1_a4/ LA - en ID - JAC_2000__11_1_a4 ER -