Primary currents and Riemannian geometry in W-algebras
arXiv:hep-th/0106052 · doi:10.1016/S0550-3213(01)00252-8
Abstract
It is proved that general consistency requirements of stability under complex analytic change of charts show that primary currents in finite chiral W-algebras are described in terms of pure gravitational variables.
LaTex, 18 pages, no figures, version to appear in Nucl. Phys. B