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Donaldson–Thomas theory of 𝒜n×P1

Published online by Cambridge University Press:  18 August 2009

Davesh Maulik
Affiliation:
Department of Mathematics, Columbia University, New York, NY 10027, USA (email: dmaulik@cpw.math.columbia.edu)
Alexei Oblomkov
Affiliation:
Department of Mathematics, Princeton University, Princeton, NJ 08544, USA (email: oblomkov@math.princeton.edu)
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Abstract

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We study the relative Donaldson–Thomas theory of 𝒜n×P1, where 𝒜n is the surface resolution of type An singularity. The action of divisor operators in the theory is expressed in terms of operators of the affine algebra $\glh $ on Fock space. Assuming a nondegeneracy conjecture, this gives a complete solution for the theory. The results complete the comparison of this theory with the Gromov–Witten theory of 𝒜n×P1 and the quantum cohomology of the Hilbert scheme of points on 𝒜n.

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Type
Research Article
Copyright
Copyright © Foundation Compositio Mathematica 2009