# Nigel Higson

Nigel Higson, the Evan Pugh Professor of mathematics.

Higson is a specialist in noncommutative geometry, particularly the operator-algebra theory, a subject that has roots in the mathematical foundations of quantum theory and in Fourier analysis and that has powerful consequences in the fields of topology and geometry. His recent work focuses on the Baum-Connes conjecture, a broad program that connects operator-algebra theory to problems in other areas of mathematics.

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