Cumrun Vafa
Urs Schreiber
Cumrun Vafa is a string theorist at Harvard.
On the action of the modular group on spin structures over closed surfaces in relation to theta functions and string amplitudes:
Introducing what came to be called the Brandenberger-Vafa mechanism in string theoretic cosmology:
On the quantum cohomology induced by supersymmetric sigma-models:
Sergio Cecotti, Cumrun Vafa, Exact Results for Supersymmetric Sigma Models, Phys. Rev. Lett. 68 (1992) 903-906 [arXiv:hep-th/9111016,...