Geodesic
Descent monomials, $P$-partitions and dense Garsia-Haiman modules
Journal of Algebraic Combinatorics, Tome 20 (2004) no. 2, pp. 173-193.

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: A two-variable analogue of the descents monomials is defined and is shown to form a basis for the dense Garsia-Haiman modules. A two-variable generalization of a decomposition of a $P$-partition is shown to give the algorithm for the expansion into this descent basis. Some examples of dense Garsia-Haiman modules include the coinvariant rings associated with certain complex reflection groups.
Keywords: descent monomials, $P$-partitions, garsia-haiman modules, convariant rings 
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     author = {Allen, Edward E.},
     title = {Descent monomials, $P$-partitions and dense {Garsia-Haiman} modules},
     journal = {Journal of Algebraic Combinatorics},
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Allen, Edward E. Descent monomials, $P$-partitions and dense Garsia-Haiman modules. Journal of Algebraic Combinatorics, Tome 20 (2004) no. 2, pp. 173-193. http://geodesic.mathdoc.fr/item/JAC_2004__20_2_a3/