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Capped Vertex Functions for $\text{Hilb}^n (\mathbb{C}^2)$

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arxiv 2406.00498 v3 pith:ZUQREWVW submitted 2024-06-01 math-ph hep-thmath.AGmath.COmath.MPmath.RT

classification math-phhep-thmath.AGmath.COmath.MPmath.RT
keywords functionscappedvertexhilbmathbbtextalgebrabundle
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abstract

We obtain explicit formulas for capped descendent vertex functions of $\text{Hilb}^n(\mathbb{C}^2)$ for descendents given by the exterior algebra of the tautological bundle. This formula provides a one-parametric deformation of the generating function for normalized Macdonald polynomials. In particular, we show that the capped vertex functions are rational functions of the quantum parameter.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Rationality of the K-theoretical capped vertex function for Nakajima quiver varieties

    math.AG 2024-11 conditional novelty 7.0 of 10

    For any Nakajima quiver variety with generic stability condition, the capped vertex function with descendents is a rational function of the Kähler variables.

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