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Mai 2011. IPIA has awarded the third Calderon Prize to Guillaume Bal from the Department of Applied Mathematics and Applied Physics at Columbia University. The ceremony was held at the start of AIP 2011 in College Station, Texas. The international prize committee consisted of Martin Burger, Hyeonbae Kang, Yaroslav Kurylev, George Papanicolaou and William Symes (chair). The committee citation reads: “The Calderon Prize is awarded to Guillaume Bal, for his deep and innovative research in analysis and numerical analysis of waves in strongly scattering materials, radiative transport, inverse problems of waves, diffusion and transport, and applications to medical and other imaging technologies, particularly photoacoustic tomography.” Previous winners of the award were Matti Lassas in 2007 and Martin Burger in 2009.
Bal received the PhD at the University of Paris VI in France in 1997 under the direction of Yvonne Maday. His PhD thesis ``Coupling of Equations and Homogeneization in Neutron Transport“ won the Jean-Pierre Lepetit Prize for the best PhD thesis defended in 1997-1998 at the Direction des Etudes et Recherches d'Electricit\'e de France (EDF). He was a postdoc at Stanford 1997-1999 and L.E. Dickson Instructor at the University of Chicago 1999-2001. He became Assistant Professor at Columbia in 2001 and Full Professor in 2008. Other awards include an Alfred P. Sloan Fellowship in 2003 and an NSF Career Award, also in 2003.
The Inverse Problems International Association (IPIA) has been established. A steering committee has been elected in 2010 by the registered members of the society.