Photos of a trip to Dagstuhl/Wadern and Kaiserslautern Germany the week of February 10-17, 2007. On February 12, I gave a semi-plenary talk at the Web Information Retrieval and Linear Algebra Algorithms Dagstuhl-Seminar (organized by A. Froomer, M.W. Mahoney, and D.B. Szyld) and on February 16 I gave a seminar at the Fraunhofer Institut Experimentelles Software Engineering (IESE) in Kaiserslautern (arranged by Jesse H. Poore).

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