Thom 多项式的正定性 II：Lagrange 奇点
代数几何
2009-09-06 v3 辛几何
摘要
我们证明了 Lagrange 奇点的 Thom 多项式在由 Q-函数构成的基中具有非负系数。证明中的主要工具是整体生成丛的锥类的非负性。
引用
@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}
}
备注
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)