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Open Topological String Amplitudes and BPS Invariants on Complete Intersection Calabi-Yau Threefolds (2207.11499v2)
Published 23 Jul 2022 in hep-th
Abstract: Open topological string partition function on compact Calabi-Yau threefolds satisfies the extended holomorphic anomaly equation. By direct integration, we solve these equations and obtain partition functions for first several genus and boundaries on complete intersection Calabi-Yau threefolds. Complemented by the unoriented worldsheet contribution, the annulus functions encode the genus one BPS invariants.
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