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arXiv · 1612.09380

SYZ Mirror Symmetry for Dirichlet Branes

Savio Chung
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Abstract

In this thesis, we study a class of special Lagrangian submanifolds of toric Calabi-Yau manifolds and construct their mirrors using some techniques developed in the SYZ programme. We present a justification on the conjecture on the mirror construction of D- branes in Aganagic-Vafa [2]. We apply the techniques employed in Chan-Lau-Leung [8] and Chan [6], which give the SYZ mirror construction for D-branes. Recently, Chan-Lau-Leung [8] has given an explicit mirror construction for toric Calabi-Yau manifolds as complex algebraic varieties. Inspired by the SYZ transformation of D-branes in Leung-Yau-Zaslow[29], Chan[6] has defined a generalised mirror construction for a larger class of Lagrangian subspaces, which is important to our situation. The results point towards a need for further quantum correction of the SYZ transform for Lagrangian subspaces in order to recover physicists mirror prediction of counting holomorphic discs in Ooguri-Vafa [34]. When compare to physicists prediction of the Aganagic-Vafa mirror branes, such naive SYZ transform fails to coincide with the prediction. The main reasons lies in the fact that the SYZ transformation does not capture open Gromov-Witten invariants of the A-brane. Through the special case of Aganagic-Vafa A-branes, we are able to modify the SYZ transform that involves further quantum correction using discs counting of the A-brane. However it is not known how such a modified SYZ transform can be constructed and works in general. We believe that the explicit formulas and computations in the special case we consider here can give hints to the correct modification in general in future development of the SYZ programme.

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Savio Chung. 2016-12-30. SYZ Mirror Symmetry for Dirichlet Branes. https://arxiv.org/abs/1612.09380

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