Deformations of holomorphic pairs and 2d-4d wall-crossing
arXiv:1912.09956 · doi:10.4310/ATMP.2022.v26.n6.a4
Abstract
We show how wall-crossing formulas in coupled 2d-4d systems, introduced by Gaiotto, Moore and Neitzke, can be interpreted geometrically in terms of the deformation theory of holomorphic pairs, given by a complex manifold together with a holomorphic vector bundle. The main part of the paper studies the relation between scattering diagrams and deformations of holomorphic pairs, building on recent work by Chan, Conan Leung and Ma.
arXiv comment50 pages, 8 figures
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