2 papers
hep-th2004
On the tensionless limit of gauged WZW models
I. Bakas, C. Sourdis
The tensionless limit of gauged WZW models arises when the level of the underlying Kac-Moody algebra assumes its critical value, equal to the dual Coxeter number, in which case the…
hep-th2003
Ricci flows and infinite dimensional algebras
I. Bakas
The renormalization group equations of two-dimensional sigma models describe geometric deformations of their target space when the world-sheet length changes scale from the ultra-v…