期刊
SCIENCE CHINA-MATHEMATICS
卷 54, 期 1, 页码 47-54出版社
SCIENCE PRESS
DOI: 10.1007/s11425-010-3145-1
关键词
local Gromov-Witten invariants; localization; Riemann-Roch indices; Gopakumar-Vafa invariants
资金
- National Natural Science Foundation of China [10425101, 10631050]
- National Basic Research Program of China (973 Project) [2006cB805905]
We study the local Gromov-Witten invariants of O(k) circle plus O(-k -2) -> P-1 by localization techniques and the Marino-Vafa formula, using suitable circle actions. They are identified with the equivariant Riemann-Roch indices of some power of the determinant of the tautological sheaves on the Hilbert schemes of points on the affine plane. We also compute the corresponding Gopakumar-Vafa invariants and make some conjectures about them.
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