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Donaldson–Thomas theory of 𝒜<sub><i>n</i></sub>×<b>P</b><sup>1</sup>
Abstract We study the relative Donaldson–Thomas theory of 𝒜 n × P 1 , where 𝒜 n is the surface resolution of type A n singularity. The action of divisor operators in the theory is expressed in terms of operators of the affine algebra $\glh $ on Fock space. Assuming …