Voronov, Theodore Obituary: A word about Boris Vasil’evich Fedosov. (English) Zbl 1306.01021 Kielanowski, Piotr (ed.) et al., Geometric methods in physics. XXXI workshop, Białowieża, Poland, June 24–30, 2012. Selected papers based on the presentations at the workshop. Basel: Birkhäuser/Springer (ISBN 978-3-0348-0644-2/hbk; 978-3-0348-0645-9/ebook). Trends in Mathematics, ix-x (2013). Summary: This is an edited version of the introductory speech at the session dedicated to the memory of Boris Fedosov.For the entire collection see [Zbl 1271.00030]. MSC: 01A70 Biographies, obituaries, personalia, bibliographies 19E99 \(K\)-theory in geometry 19K56 Index theory 46L80 \(K\)-theory and operator algebras (including cyclic theory) 58J20 Index theory and related fixed-point theorems on manifolds 53D55 Deformation quantization, star products Keywords:index theorem; deformation quantization; symplectic manifold; symbol; trace Biographic References: Fedosov, Boris Vasil’evich PDFBibTeX XMLCite \textit{T. Voronov}, in: Geometric methods in physics. XXXI workshop, Białowieża, Poland, June 24--30, 2012. Selected papers based on the presentations at the workshop. Basel: Birkhäuser/Springer. ix-x (2013; Zbl 1306.01021)