* Astronomy

Graeme Bryce Segal FRS (born 21 December 1941) is a British mathematician, and professor at the University of Oxford.
His thesis was in the area of equivariant K-theory and the Atiyah-Segal completion theorem in that subject was a major motivation for the Segal conjecture, which he formulated. He has made many other contributions to homotopy theory in the past four decades, including an approach to infinite loop spaces. He was also a pioneer of elliptic cohomology, which is related to his interest in topological quantum field theory.
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