NIST Digital Library of Mathematical Functions (DLMF), NIST Handbook of Mathematical Functions.
I was involved jointly with Roelof Koekoek (Delft University of Technology), René Swarttouw (VU University Amsterdam) and Roderick Wong (City University of Hongkong) in writing Chapter 18, Orthogonal Polynomials. This Handbook and Digital Library have appeared in May 2010.
Memorial issue of SIGMA for Vadim Kuznetsov.
I was one of the guest editors.
Papers dedicated to Tom Koornwinder, Indagationes Mathematicae, New Series 14 (2003), No. 3-4;
In connection with the Workshop on Special Functions, Representation Theory and Applications, Amsterdam, 25-27 August 2003, on the occasion of Tom Koornwinder's 60th birthday.
Workshop on Special Functions, Minneapolis, 5-7 August 2002, during the conference FoCM'02. This workshop was organized by Adri Olde Daalhuis and me.