Varghese Mathai

Semiclassical Asymptotics and Gaps in the Spectra of Magnetic Schrödinger Operators

M. Shubin, V. Mathai, Varghese Mathai, 2001, math/0102021.

The index of projective families of elliptic operators: the decomposable case

I. Singer, R. Melrose, V. Mathai, 2002, 0809.0028.