The Lê varieties, I.
D.B. Massey (1990)
Inventiones mathematicae
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Displaying similar documents to “The nil Hecke ring and singularity of Schubert varieties.”
The Lê varieties, I.
The nil Hecke ring and Deodhar's conjecture on Bruhat intervals.
M.J. Dyer (1993)
Inventiones mathematicae
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Multi-cones over Schubert varieties
A. Ramanathan, G.R. Kempf (1987)
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The Le varieties, II.
David B. Massey (1991)
Inventiones mathematicae
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Logarithmic deformations of normal crossing varieties and smoothing of degenerate Calabi-Yau varieties.
Yujiro Kawamata, Yoshinori Namikawa (1994)
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Varieties with small dual varieties, I.
L. Ein (1986)
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Cancellation Problem of Complete Varieties.
Takao Fujita (1981)
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Schubert varieties and Demazure's character formula.
H.H. Andersen (1985)
Inventiones mathematicae
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Prym Varieties and the Schottky Problem.
Arnaud Beauville (1977)
Inventiones mathematicae
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Maps of toric varieties in Cox coordinates
Gavin Brown, Jarosław Buczyński (2013)
Fundamenta Mathematicae
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The Cox ring provides a coordinate system on a toric variety analogous to the homogeneous coordinate ring of projective space. Rational maps between projective spaces are described using polynomials in the coordinate ring, and we generalise this to toric varieties, providing a unified description of arbitrary rational maps between toric varieties in terms of their Cox coordinates. Introducing formal roots of polynomials is necessary even in the simplest examples.