Annales Mathematiques Africaines


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Bi-Sorted Orders And Applications



MAURIZIO IMBESI
Department of Mathematics, Faculty of Sciences, University of Messina
Viale F. Stagno d'Alcontres, 31 - I 98166 MESSINA


GAETANA RESTUCCIA
Department of Mathematics, Faculty of Sciences, University of Messina
Viale F. Stagno d'Alcontres, 31 - I 98166 MESSINA



AMS 2000 Classifications: 05C38, 05C50 .
Key words : combinatorics, monomial algebras, toric ideals, Gröbner bases.

Abstract:


The generalized bi-sorted order on the monomials in two sets of variables is introduced in order to solve completely a conjecture for the normality of monomial subrings.

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