Positivity of Schur function expansions of Thom polynomials

Piotr Pragacz, Andrzej Weber
2007 Fundamenta Mathematicae  
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 Schur function expansions of the Thom polynomials of stable singularities are nonnegative.
doi:10.4064/fm195-1-3 fatcat:ghytjollrzblrfywqtbzqfmgsm