Rosenthal, Jeffrey S (univ Toronto (2) Shabani, Javad (new York Univ, Gurra, Eva (new York Univ (2) Deza, Michel-marie (ecole Normale Superieure, Deza, Elena (moscow Pedagogical State University (1) Maymin, Philip Z (new York Univ-polytechnic Inst (1) Chance, Don M (louisiana State Univ (1)