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. (
fabrizio caselli, mario marietti (2018). A simple characterization of special matchings in lower Bruhat intervals. DISCRETE MATHEMATICS, 341(3), 851-862 [10.1016/j.disc.2017.12.005].
A simple characterization of special matchings in lower Bruhat intervals
fabrizio caselli;
2018
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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