Preface

• Authors:

• Mihai Ionescu;Gheorghe Păun;Takashi Yokomori

• Affiliations:

• Research Group on Mathematical Linguistics, Universitat Rovira i Virgili, Tarragona, Spain;Institute of Mathematics of the Romanian Academy, Bucharest, Romania;Department of Mathematics, School of Education, Waseda University, Shinjuku-ku, Japan

• Venue:
• Natural Computing: an international journal
• Year:
• 2008