Speaker: Shuzhong Zhang Ten Years Collaboration with Jos Sturm – A Tribute with Personal Memories Speaker: Shuzhong Zhang HPOPT 2004 June 24, 2004 Amsterdam, The Netherlands

Biography of Jos F. Sturm Born in Rotterdam, August 13, 1971. Drs title at Department of Econometrics, University of Groningen, 1993. Ph.D. degree at Tinbergen Institute, Erasmus University Rotterdam, 1997. Year 1997 – 1998, postdoc fellow at CRL, McMaster University. Year 1998 – 2001, Assistant Professor at Department of Quantitative Economics, Maastricht University. Year 2001 – 2003, Associate Professor at CentER, Tilburg University.

Highlights Ph.D. dissertation won Gijs de Leve Prize (best thesis in OR/MS in The Netherlands, 1997 — 1999). TALENT fellow, NWO (Dutch Organization for Sciences), 1997 – 1998. Vernieuwingsimpuls Grant from NWO, 2001. Editor of the newsletter Views-and-News, SIAG/OPT. Associate Editor, Mathematical Programming, Ser B. Council member-at-large of the Mathematical Programming Society.

Scientific Achievements Author of about 30 scientific papers Author of SeDuMi – a highly reputable SDP and SOCP solver Helped to solve many real-life, large-size, difficult optimization problems

Contents in this talk The Iri-Imai method for LP Cone affine scaling and wide neighborhood Symmetric primal-dual transformation for SDP Error bound for the central path for SDP Weighted centers, long steps, and superlinear convergence for SDP

Contents in this talk (continue) Duality theory for conic programming Self-dual embedding Sensitivity of the central solutions for SDP The cone of nonnegative quadratic functions and the rank-one decompositions Quadratic matrix inequalities

The best way to remember Jos is to remember his work. Thank you for your attention!