Fields Medal
Fields Medal 1990: Winners
Recipients
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Vladimir Drinfeld
Drinfeld's main preoccupation in the last decade [are] Langlands' program and quantum groups. In both domains, Drinfeld's work constituted a decisive breakthrough and prompted a wealth of research.
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Vaughan F.R. Jones
Jones discovered an astonishing relationship between von Neumann algebras and geometric topology. As a result, he found a new polynomial invariant for knots and links in 3-space.
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Shigefumi Mori
The most profound and exciting development in algebraic geometry during the last decade or so was [...] ''Mori's Program'' in connection with the classification problems of algebraic varieties of dimension three." "Early in 1979, Mori brought to algebraic geometry a completely new excitement, that was his proof of Hartshorne's conjecture.
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Edward Witten
Time and again he has surprised the mathematical community by a brilliant application of physical insight leading to new and deep mathematical theorems.