MAFIA - Mathematical Finance and Analysis Symposium in honor of Philip E. Protter

The symposium takes place at Columbia University on the 20th and 21st of September, 2019.

Venue: TBA


Philip Protter is a Professor in the Statistics Department of Columbia University. He studied at Yale (BA, 1971) and received his PhD in Mathematics from the University of California at San Diego, in 1975, under the supervision of Ronald K. Getoor. His working career began at Duke University for two years, then one year at the Institute for Advanced Study, and from there he moved to Purdue in 1978. In 2000 he moved to Cornell and in 2011 he moved to Columbia, in New York, where he happily remains.

Philip began his career enamored of French style probability, often known at the time as Strasbourg style, due to the influence of P.A. Meyer and C. Dellacherie. He was lucky to obtain a bourse from an NSF-CNRS joint program to go to Paris in 1979-80, where he met his wife and life partner, Diane Rubenstein. He also learned a lot more mathematics that year, from the seminars of H. Körezlioğlu and N. El Karoui, and his personal friendship with J. Jacod.

Working in what is now called stochastic analysis, Philip met Darrell Duffie at a math conference in Santa Cruz in the mid 1980s. Darrell asked him several questions which profoundly affected his future research efforts. He visited Madison in 1985-86 where he discovered Tom Kurtz had similar interests and began a longstanding interest in weak convergence of stochastic integrals and differential equations. This in turn led to his collaboration with Denis Talay and Jean Jacod and others on numerical methods of stochastic differential equations.

Regarding Philip’s book on stochastic integration, he wrote and re-wrote and re-wrote it again, from 1984 to 1990, benefiting from the selfless help of Svante Janson of Sweden, and his patient partner Diane, herself an accomplished author, and whose belief in him has sustained him.

The lectures of Hans Föllmer in Sigmundsberg in the early 1990s reinforced Philip’s nascent involvement in Mathematical Finance, and the subject gradually captured his interest to a large extent. He found an enthusiastic collaborator, Robert Jarrow, when he joined the faculty of Cornell University. It has been a joy working with Bob and sharing PhD students with him.

Indeed, Philip’s twenty-five PhD students, plus one in the making, are his proudest professional achievement. They form a miniature United Nations, coming from North and South America, Asia, Europe, and most recently Africa.

Created By
Umut Çetin


Created with images by WikiImages - "library low memorial library columbia university" • Nathan Dumlao - "untitled image"

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