A Categorical sl_2 Action on Some Moduli Spaces of Sheaves
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Date
2020-09-24
Authors
Takahashi, Ryan
Journal Title
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Publisher
University of Oregon
Abstract
We study a certain sequence of moduli spaces of stable sheaves on a K3 surface of Picard rank 1 over $\mathbb{C}$. We prove that this sequence can be given the structure of a geometric categorical $\mathfrak{sl}_2$ action, a global version of an action studied by Cautis, Kamnitzer, and Licata. As a corollary, we find that the moduli spaces in this sequence which are birational are also derived equivalent.