2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/69894Some enumerative aspects of the fans, called generalized associahedra, introduced by S. Fomin and A. Zelevinsky in their theory of cluster algebras are considered, in relation with a bicomplex and its two spectral sequences. A precise enumerative relation with the lattices of generalized noncrossing partitions is conjectured and some evidence is given.15 pagesCombinatorics05E15 (primary) 06A07 20F55 (secondary)text