We give a simple characterization of special matchings in lower Bruhat intervals (that is, intervals starting from the identity element) of a Coxeter group. As a byproduct, we obtain some results on the action of special matchings.
A simple characterization of special matchings in lower Bruhat intervals / Caselli, Fabrizio; Marietti, Mario. - In: DISCRETE MATHEMATICS. - ISSN 0012-365X. - STAMPA. - 341:3(2018), pp. 851-862. [10.1016/j.disc.2017.12.005]
A simple characterization of special matchings in lower Bruhat intervals
Marietti, Mario
2018-01-01
Abstract
We give a simple characterization of special matchings in lower Bruhat intervals (that is, intervals starting from the identity element) of a Coxeter group. As a byproduct, we obtain some results on the action of special matchings.File in questo prodotto:
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