Positivity of Schur function expansions of Thom polynomials

Details Positivity of Schur function expansions of Thom polynomials Positivity of Schur function expansions of Thom polynomials

2006-05-11

arxiv.org/abs/math/0605308v4

Mathematics

Algebraic Geometry

12 pages, various modification of the exposition

Scientific paper

Combining the Kazarian approach to Thom polynomials via classifying spaces of
singularities with the Fulton-Lazarsfeld theory of numerical positivity for
ample vector bundles, we show that the coefficients of various Schur function
expansions of the Thom polynomials of stable and unstable singularities are
nonnegative.

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