Some remarks on Gopakumar-Vafa invariants
High Energy Physics - Theory
2007-05-23 v4 Algebraic Geometry
Abstract
We show that Gopakumar-Vafa invariants can be expressed in terms of the cohomology ring of moduli space of D-branes without reference to the sl_2 \times sl_2 action. We also give a simple construction of this action.
Cite
@article{arxiv.hep-th/0412119,
title = {Some remarks on Gopakumar-Vafa invariants},
author = {A. Schwarz and I. Shapiro},
journal= {arXiv preprint arXiv:hep-th/0412119},
year = {2007}
}
Comments
9 pages, some additions and clarifications, minor changes