Skew divided difference operators and Schubert polynomials.
Kirillov, Anatol N. (2007)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Kirillov, Anatol N. (2007)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Descouens, François, Lascoux, Alain (2005)
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Désarménien, J., Leclerc, B., Thibon, J.-Y. (1994)
Séminaire Lotharingien de Combinatoire [electronic only]
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Lascoux, Alain (2005)
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Brenti, Francesco (2002)
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Briand, Emmanuel (2004)
Beiträge zur Algebra und Geometrie
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Frédéric Bihan, Frank Sottile (2008)
Annales de l’institut Fourier
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We show that every complete intersection defined by Laurent polynomials in an algebraic torus is isomorphic to a complete intersection defined by master functions in the complement of a hyperplane arrangement, and vice versa. We call systems defining such isomorphic schemes Gale dual systems because the exponents of the monomials in the polynomials annihilate the weights of the master functions. We use Gale duality to give a Kouchnirenko theorem for the number of solutions to a system...
Maciej Burnecki (1993)
Colloquium Mathematicae
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Dunkl, Charles F. (2008)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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Leclerc, Bernard (1998)
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Zbigniew Szafraniec (1992)
Annales Polonici Mathematici
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Let E → W be an oriented vector bundle, and let X(E) denote the Euler number of E. The paper shows how to calculate X(E) in terms of equations which describe E and W.