D-Branes and N=1 Supersymmetry
arXiv:hep-th/0105014
Abstract
We discuss the recent proposal that BPS D-branes in Calabi-Yau compactification of type II string theory are Pi-stable objects in the derived category of coherent sheaves.
amslatex, 17 pp. To appear in the proceedings of Strings 2001, Mumbai, India