Positivity of Thom polynomials II: the Lagrange singularities
Algebraic Geometry
2009-09-06 v3 Symplectic Geometry
Abstract
We show that Thom polynomials of Lagrangian singularities have nonnegative coefficients in the basis consisting of Q-functions. The main tool in the proof is nonnegativity of cone classes for globally generated bundles.
Keywords
Cite
@article{arxiv.0710.5251,
title = {Positivity of Thom polynomials II: the Lagrange singularities},
author = {Malgorzata Mikosz and Piotr Pragacz and Andrzej Weber},
journal= {arXiv preprint arXiv:0710.5251},
year = {2009}
}
Comments
16 pages, reduced introduction but new chapter about Legendrian singularities. The title is change. Correction in the formula for A_7 and a sign correction in formula (29)