Indices of vector fields or 1-forms and characteristic numbers
Wolfgang Ebeling, Sabir M. Gusein-Zade
math.AGarXiv:math/0303330
Abstract
We define an index of a collection of 1-forms on a complex isolated complete intersection singularity corresponding to a Chern number and, in the case when the 1-forms are complex analytic, express it as the dimension of a certain algebra.
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