# Sorin Popa Receives 2010 AMS Moore Prize

UCLA Mathematics professor and chair Sorin Popa has been named the recipient of the 2010 American Mathematical Society (AMS) E. H. Moore Research Article Prize. Popa is honored for his paper, “On the Superrigidity of Malleable Actions with Spectral Gap,” which “represents a major breakthrough in the author’s remarkable program concerning von Neumann rigidity, orbit equivalence, and strong rigidity of ergodic measure preserving actions of countable groups.” Experts in this area commented that Popa’s work “completely changed the landscape of operator algebras.” The prize is awarded every three years for an outstanding research article that appeared in the past six years in one of the primary AMS research journals.

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