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Research interests:

My subject is the quantum theory of gravity. My interest in it is primarily in the relation of one part of nature to another. There’s a certain irrationality to any work in gravitation, so it’s hard to explain why you do any of it ; . . . (Quantum theory of gravitation, R.P. Feynman)

My research work is devoted to the understanding of Gravity using string theory, quantum field theory, and advanced mathematics.