Bjorn Poonen

Claude Shannon Professor of Mathematics
Algebraic Geometry, Number Theory

Bjorn Poonen received an A.B. in Mathematics and Physics from Harvard in 1989, and a Ph.D. in Mathematics under Kenneth A. Ribet at U. C. Berkeley in 1994. After postdoctoral positions at MSRI and Princeton University, he served on the faculty at U. C. Berkeley before moving to MIT to 2008. Poonen's research focuses on number theory and algebraic geometry; in particular, he is interested in developing methods for determining the rational number solutions to multivariable polynomial equations, but also interested in proving that certain problems are undecidable. He is the founding managing editor of Algebra & Number Theory and serves on the editorial board of several other journals. He has received the Packard, Sloan, and Rosenbaum fellowships, as well as a Miller Professorship. He is also a four-time Putnam Competition winner. In 2011, Professor Poonen received the Chauvenet Prize of the MAA for his article, ``Undecidability in number theory," Notices AMS, vol. 55 (2008). He also received a Guggenheim Fellowship in 2011. He is a fellow of the American Academy of Arts and Sciences (2012).

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Erdös Number: 2