Symposium in honour of the 75th birthday of ACADEMICIAN ARTO SALOMAA

The symposium is supported by University of Turku, Academy of Finland, Finnish Academy of Sciences and Letters, and Turku Centre for Computer Science. It takes place under the auspicies of Academia Europaea and European Association for Theoretical Computer Science. The organizers are Prof.J.Karhumäki (Turku, Finland) and Prof.G.Rozenberg (Leiden, the Netherlands), and it is chaired by Prof. G.Rozenberg.