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Ionnis Karatzas, an internationally recognized mathematician who has made major contributions in the fields of stochastic calculus and random processes, has been named Higgins Professor of Applied Probability at Columbia University, where he has taught since 1980.
Professor Karatzas is the author of Brownian Motion and Stochastic Calculus, first published in 1988 and now in its fourth printing, the standard reference in its field. His lectures at Columbia and at the Courant Institute of Mathematical Sciences at New York University have been published, and a manuscript on the applications of stochastic, or probabilistic, analysis to the burgeoning field of mathematical finance is due for publication in 1997.
The Columbia mathematician was elected a Fellow of the Institute of Mathematical Statistics in 1992. He has held visiting appointments at M.I.T., the Courant Institute, the University of North Carolina, the University of Pennsylvania, the University of Paris, Rutgers University and the University of Maryland. He will be Aisenstadt Professor at the University of Montreal in May. He has delivered lectures at conferences throughout the United States and in 14 other countries.
A native of Athens, Greece, he received the diploma of the National Technical University of Athens in 1975, and the M.Sc. degree in 1976, and the Ph.D. in 1980, from Columbia. He was a postdoctoral fellow in applied mathematics at Brown University in 1979-1980 before joining the Columbia faculty as assistant professor of mathematical statistics. He was named associate professor of statistics in 1983, professor in 1987, and professor of mathematics and statistics in 1995.
Professor Karatzas was acting chairman of the Department of Statistics in spring 1987 and then chairman until 1989. A co-founder of Columbia's Center for Applied Probability, he has served on its executive committee since 1993.
The National Science Foundation, the Air Force and the Army Research Office have supported his work. He is editor of the book series "Applications of Mathematics" at Springer-Verlag, editor of the journal Advances in Applied Probability and associate editor of both Mathematical Finance and Stochastics.
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