Smania, Daniel - Information about work on dynamical systems, including electronic preprints and references to published articles. Sepp, Artur - Specializing in financial mathematics. Includes curriculum vitae, publications and lectures. From Estonia. Stein, Elias M. - Wikipedia biography. Slinko, Arkadii - Senior lecturer at the department of Mathematics University of Auckland in new Zealand. Current research interests include applied algebra and combinatorics, as well as studying the math olympiads as an educational tool. Seppala, Mike - Complex analyst and algebraist. Saad, Nasser - University of Prince Edward Island. Applied mathematics and mathematical physics. Starkston, Laura - PhD student at the University of Texas at Austin interested in low-dimensional topology. CV and research information. Schachermayer, Walter - Full Professor of Mathematics at Department of Statistics, Group for Actuarial and Financial Mathematics, University of Technology Vienna, Austria. Sudakov, Benny - Professor of Mathematics at ETH, Zurich. Graphs, Algorithms. Smith, Harry: Fun With Mathematics - Fun math stuff, including computing pi, perfect numbers, Fibonacci numbers, the tesseract, a look into 4-dimensional space. Includes family photos and trivia information about the author. Sternberg, Shlomo - Online texts include real variable functions, advanced calculus, dynamical systems, Lie algebras, geometric asymptotics and semiriemannian geometry. In PDF format.