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arxiv: math/0508030 · v1 · submitted 2005-08-01 · 🧮 math.CO · math.GR

On some enumerative aspects of generalized associahedra

classification 🧮 math.CO math.GR
keywords associatedenumerativefiniteaspectsassociahedracertainchapotoncluster
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We prove a conjecture of F. Chapoton relating certain enumerative invariants of (a) the cluster complex associated by S. Fomin and A. Zelevinsky to a finite root system and (b) the lattice of noncrossing partitions associated to the corresponding finite real reflection group.

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