California
Stanford University
Florida
Florida Atlantic University
University of Miami
Georgia
Emory University
University of Georgia
Illinois
University of Illinois at Chicago
Illinois Institute of Technology
Louisiana
Louisiana State University
Maryland
Johns Hopkins University
Massachusetts
Northeastern University
Michigan
Western Michigan University
New Jersey
ATT Bell Laboratories
NEC Research Institute
Princeton University
Rutgers University
Stevens Institute of Technology, New Jersey
New York
City University of New York Graduate Center
Columbia University
Cornell University
IBM Watson Research Center
New York Academy of Science
New York University
Pace University
Rockefeller University
University of Rochester
Queens College
Ohio
Case Western Reserve University
Pennsylvania
Allegheny College
Carnegie Mellon University
University of Pennsylvania
South Carolina
Clemson University
Furman University
Tennessee
Vanderbilt University
Texas
IBM Austin Laboratories
Southern Methodist University
Austria
Technical University of Vienna
Brazil
University of San Paulo
Canada
University of Toronto
University of Waterloo
France
University of Clermond Ferrand
University of Montpellier
University of Paris VI
University of Paris VII
University of Paris-Sud
Université de Provence, Aix-Marseille I
Germany
Technical University Berlin
Dagstuhl International Research Center for Computer Science
University of Dresden
Kaiserslautern University
Mathematics Institute at Oberwolfach
University of Rostock
Iceland
University of Reykjavik
India
Indian Statistical Institute
Ireland
University College Cork
Israel
Bar-Ilan University
Ben Gurion University
University of Haifa
Hebrew University
Herzliya Interdisciplinary Center
Tel Aviv University
Technion
Weizmann Institute
Italy
University of Genova
University of Trento
University of Rome La Sapienza
Japan
Tokyo Institute of Technology
Sweden
University of Linkoping
Switzerland
Ecole Polytechnique de Lausanne
Thailand
Chiang Mai University
United Kingdom
Royal Holloway College
Oxford University
 
Lectures at conferences in various States and other countries not listed above: Australia, Finland, Hungary, Netherlands, and Portugal