Erschienen in:Proceedings of the American Mathematical Society
Sprache:
Englisch
DOI:
10.1090/S0002-9939-06-08534-0
ISSN:
1088-6826;
0002-9939
Entstehung:
Anmerkungen:
Beschreibung:
<p>We give a case-free proof that the lattice of noncrossing partitions associated to any finite real reflection group is EL-shellable. Shellability of these lattices was open for the groups of type $D_{n}$ and those of exceptional type and rank at least three.</p>