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Directors


Russ Caflisch, Director

russ caflisch Russ Caflisch studied mathematics at Michigan State and NYU’s Courant Institute of Math Sciences. He began his teaching career at Stanford, then returned to NYU as an associate professor in 1984 before joining the mathematics faculty of UCLA in 1989. More recently, he was a founding member of California NanoSystems Institute (CNSI). Dr. Caflisch served on IPAM’s Board of Trustees for several years and as an organizer of two IPAM long programs before he was recruited to be IPAM’s Director starting July 1, 2008. He was an Alfred P. Sloan research fellow and was an invited lecturer at the 2006 International Congress of Mathematicians in Madrid. His research interests include materials science, mathematical finance, Monte Carlo methods, kinetic theory, plasma dynamics, fluid dynamics, and PDEs. You can reach Dr. Caflisch by email at rcaflisch@ipam.ucla.edu

Christian Ratsch, Associate Director

christian ratsch Christian Ratsch grew up in Berlin, Germany, where he received his undergraduate education at the Technical University. He then moved to the United States, where he completed his Ph.D. in physics at Georgia Tech in 1994. He went on to gain a short appointment at the Imperial College in London, and then a 2 year post-doc at the Fritz-Haber-Institut in Berlin. Christian Ratsch came to the UCLA math department in the summer of 1997.

Christian Ratsch's research interests are mathematical and physical modeling and simulation of problems in materials sciences on all appropriate time and length scales. His expertise includes density-functional theory (DFT), stochastic, atomistic models (KMC), and continuum type models (level-sets).

In his spare time, Christian takes full advantage of the Southern California climate. He enjoys running, swimming, cycling, climbing as well as competing in marathons and triathlons. Christian Ratsch's personal homepage is at www.math.ucla.edu/~cratsch. He can be reached by email at cratsch@ipam.ucla.edu.


Stan Osher, Director of Special Projects

stanley osher Stan Osher grew up in Brooklyn, New York and got his MS and PhD (1966) from the Courant Institute, NYU. After working at Brookhaven National Laboratory, UC Berkeley, and SUNY, Stony Brook, he arrived at UCLA in 1976 as a visiting Professor. He has been here since then. Dr. Osher works in i) level set methods for computing moving fronts involving topological changes, ii) the development of methods for approximating hyperbolic conservation laws and Hamilton-Jacobi equations, iii) total variation and other partial differential equations based image processing techniques and in scientific computing and applied partial differential equations. He has been a Fulbright and Alfred P. Sloan Fellow, received the NASA Public Service Group Achievement Award, and was an invited speaker at the International Congress of Mathematicians (1994). His work has been written up numerous times in the scientific and international media, e.g., Science News, Die Zeit (both in 1999). Stan Osher can be reached by email at sosher@ipam.ucla.edu

Amber Puha, Associate Director

amber puha Professor Amber Puha grew up in southern California. She completed her PhD in mathematics at UCLA with Thomas Liggett as her advisor. Her research focuses on probability theory and stochastic processes, stochastic networks, and interacting particle systems. She was recently the recipient of a National Security Agency Young Investigators Grant and the Best Publication Award from the Applied Probability Society. She is also an avid surfer and serves as the advisor for the CSUSM surf team. On September 1, 2009, Amber Puha began a two-year term as IPAM Associate Director. Her CSUSM home page is http://www2.csusm.edu/puha/. You may reach her by email at apuha@ipam.ucla.edu.

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