Special issue devoted to papers presented at the 16th Conference of the International Linear Algebra Society, Pisa, Italy, July 21-25, 2010. The special editors for this issue are: D. A. Bini (bini@dm.unipi.it), A. Boettcher (aboettch@mathematik.tu-chemnitz.de), L. Gemignani (gemignan@dm.unipi.it), L. Hogben (LHogben@iastate.edu), F. Tisseur (F.Tisseur@manchester.ac.uk). The responsible Editor-in-Chief of the special issue is V. Mehrmann. Further information may be obtained at the conference website http://www.dm.unipi.it/~ilas2010/index.php?page=registemp .