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Title:
Non-perturbative Corrections to 3d BPS Indices via Analytic Continuation
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Abstract:
For 3d GLSM parametrized by Kähler deformations, the 3d BPS index defines a q-series, which can analytically continued in the Kähler modulus by standard techniques. It is argued that the Birkhoff connection matrix governing the analytic continuation captures non-perturbative corrections to the 3d GLSM.
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