Duong Hong Phong

After graduating from Lycée Jean-Jacques Rousseau in Saigon, Phong attended a university year at the École Polytechnique Fédérale, Lausanne, Switzerland and then went to the United States as an undergraduate and then a graduate student at Princeton University. From 1975 to 1977, he was an L. E. Dickson instructor at the University of Chicago. In 1977, he defended his dissertation entitled "On Hölder and Lp Estimates for the Conjugate Partial Equation on Strongly Pseudo-Convex Domains" under the direction of Elias Stein. For the academic year 1977–1978, Phong was a researcher at the Institute for Advanced Study in Princeton, New Jersey. Since 1978, he has been at Columbia University. He served as the chair of the Columbia math department from 1995 to 1998. ==Recognition==

In 1977-1878, he received an American Mathematical Society Fellowship. In 1982-1984, he received an Alfred P. Sloan Fellowship. In 1994, he was an Invited Speaker at the ICM in Zürich. He was the second Vietnamese to receive the honor (after Frédéric Pham). In 2009 Phong was awarded the Stefan Bergman Prize for his research on the operators involved in the Neumann d-bar problem and on pseudo-differential operators. In 2013, he was elected to the American Academy of Arts and Sciences. He was named to the 2021 class of fellows of the American Mathematical Society "for contributions to analysis, geometry, and mathematical physics". In 2024, he was elected to the National Academy of Sciences. In 2025, he was named the Charles Davies Professor of Mathematics at Columbia. Previous holders of the chair include Lipman Bers, Masatake Kuranishi, and Richard S. Hamilton. ==Selected publications==

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