The proceedings of NUMDIFF-12 will be published as a special issue of the IMACS Journal Applied Numerical Mathematics. Guest editors are M. Arnold, W. Hundsdorfer, J.G. Verwer and R. Weiner.

Every speaker of NUMDIFF-12 can submit a manuscript for consideration of publication in this special issue. Submitted manuscripts must deal with original work not published elsewhere and will be refereed according to the standard journal procedure.

For a statement of the journal's objectives and the instructions for authors, see http://www.elsevier.com/locate/apnum.

Authors are encouraged to use the journal style files. The paper length is restricted to 20 style file pages. The deadline for manuscript submission is 15 December 2009. Manuscripts should be submitted electronically (in PDF or PS format and only a manuscript file) to Jan Verwer.