Quantum A-infinity Structures for Open-Closed Topological Strings

Details Quantum A-infinity Structures for Open-Closed Topological Strings Quantum A-infinity Structures for Open-Closed Topological Strings

2006-02-02

arxiv.org/abs/hep-th/0602018v1

Physics

High Energy Physics

High Energy Physics - Theory

25 pages, 5 figures, LaTeX2e

Scientific paper

We study factorizations of topological string amplitudes on higher genus Riemann surfaces with multiple boundary components and find quantum A-infinity relations, which are the higher genus analog of the (classical) A-infinity relations on the disk. For topological strings with $\hat c=3$ the quantum A-infinity relations are trivially satisfied on a single D-brane, whereas in a multiple D-brane configuration they may be used to compute open higher genus amplitudes recursively from disk amplitudes. This can be helpful in open Gromov--Witten theory in order to determine open string higher genus instanton corrections. Finally, we find that the quantum A-infinity structure cannot quite be recast into a quantum master equation on the open string moduli space.

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