Publicações > Artigos ou Capítulos em Livros Editados

Classes of operations closed under permutation, cylindrification and composition

Couceiro, Miguel; Lehtonen, Erkko

Proceedings of the 40th IEEE International Symposium on Multiple-Valued Logic (ISMVL 2010), IEEE Computer Society, Los Alamitos, (2010), 117-121

We describe the classes of operations closed under permutation of variables, addition of dummy variables and composition in terms of a preservation relation between operations and certain systems of multisets.