Diploma and Licentiate degree, Chalmers University of Technology in Gothenburg; PhD, University of Texas at Austin

BS, University of Wisconsin; MS, PhD, University of Illinois

BS, Universidad de Chile; MS, University of Wisconsin; PhD, Ohio State University

 BS, University of Science and Technology of China; MS, Institute of System Sciences; PhD, Courant Institute of Mathematical Science, New York University

BS, Kings College, University of London; PhD, Churchill College, Cambridge University

BS, PhD, Uppsala University

 BS, Bryant University; MS, PhD, Brown University

BS, Texas Christian University; MS, Oregon State University; PhD, University of Wisconsin

BS, Colorado State University; MS, Purdue University; PhD, Colorado State University