Washington: A young Indian mathematician, Nikhil Srivastava, has been named a joint winner of the prestigious George Polya Prize for finding proof of a riddle that had eluded mathematicians for more than half a century.

Srivastava of Microsoft Research India and Adam W. Marcus and Daniel A. Spielman from Yale University will be presented the 2014 George Pólya Prize at the July 7-11annual meeting of the Society for Industrial and Applied Mathematics (SIAM), in Chicago.