C^2/Z_n Fractional branes and Monodromy
arXiv:hep-th/0510047 · doi:10.1007/s00220-006-0162-6
Abstract
We construct geometric representatives for the C^2/Z_n fractional branes in terms of branes wrapping certain exceptional cycles of the resolution. In the process we use large radius and conifold-type monodromies, and also check some of the orbifold quantum symmetries. We find the explicit Seiberg-duality which connects our fractional branes to the ones given by the McKay correspondence. We also comment on the Harvey-Moore BPS algebras.
34 pages, v1 identical to v2, v3: typos fixed, discussion of Harvey-Moore BPS algebras updated
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