It is with great regret that the Mathematics Department must note the passing, at age 84, of our colleague Professor Emeritus and Distinguished Research Professor Edward Effros on December 21, 2019.   Below is a tribute written by his colleagues and friends Sorin Popa and Dima Shlyakhtenko: Edward Effros (Dec. 10, 1935 – Dec. 21, 2019) was a professor […]