Quantum cohomology of $\text {\normalfont Hilb}^2(\mathbb {P}^1 \times \mathbb {P}^1)$ and enumerative applications
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Abstract:
We compute the small quantum cohomology of $\mathbf {H}=$Hilb$^2(\mathbb {P}^1\times \mathbb {P}^1)$ and determine recursively most of the big quantum cohomology. We prove a relationship between the invariants so obtained and the enumerative geometry of hyperelliptic curves in $\mathbb {P}^1\times \mathbb {P}^1$. This extends the results obtained by Graber (2001) for Hilb$^2(\mathbb {P}^2)$ and hyperelliptic curves in $\mathbb {P}^2$.References
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Additional Information
- Dalide Pontoni
- Affiliation: Department of Mathematics, Iowa State University, Ames, Iowa 50011
- Address at time of publication: Liceo Scientifico Statale “M. Grigoletti”, 33170 Pordenone, Italy
- Email: pontoni@iastate.edu, dalide.pontoni@istruzione.it
- Received by editor(s): July 30, 2004
- Received by editor(s) in revised form: September 22, 2005
- Published electronically: May 17, 2007
- © Copyright 2007
American Mathematical Society
The copyright for this article reverts to public domain 28 years after publication. - Journal: Trans. Amer. Math. Soc. 359 (2007), 5419-5448
- MSC (2000): Primary 14N35
- DOI: https://doi.org/10.1090/S0002-9947-07-04169-4
- MathSciNet review: 2327036