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K\"ahler Moduli Space of a D-Brane at Orbifold Singularities
We develop a method to analyze systematically the configuration space of a
D-brane localized at the orbifold singular point of a Calabi--Yau -fold of
the form using the theory of toric quotients. This approach
elucidates the structure of the K\"ahler moduli space associated with the
problem. As an application, we compute the toric data of the -Hilbert
scheme.Comment: 41 pages (double spacing version
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