Willem H. Haemers
Editor (former editor-in-chief) of The Electronic Journal of Combinatorics.
Editor of Innovations in Incidence Geometry.
Former member of the editorial board of Designs, Codes and Cryptography.
Member of the advisory board of Publications de l'Institut Mathématique (Serbia).
Conferences and workshops
2017 Meeting of the International Linear Algebra Society, Iowa State University, Ames IA, July 24-28, 2017.
Other things and links
Reader with Addendum for a series of lectures on "Matrix techniques for strongly regular graphs and related geometries", given in Ghent (April 2000).
Videos of an advanced course on eigenvalue techniques in graph theory given in Barcelona (June 2011).
1. Interlacing; the appetizer. 2. More interlacing for the adjacency matrix. 3. Perfect matchings. 4. Regularity and spectral characterizations.
Aida Abiad, Andries E. Brouwer, Edwin van Dam, Ted Spence.
Fon-Der-Flaass memorial book.
Chello, UvT-mail, Bibliotheek.
Paintings by Katrien Haemers.