Developments in Language Theory 13 conf., DLT 2009

This book constitutes the proceedings of the 13th International Conference, DLT 2009, held in Stuttgart, Germany from June 30 until July 3, 2009. The 35 papers presented together with 4 invited talks were carefully reviewed and selected from 70 submissions. The papers presented address topics on formal languages, automata theory, computability, complexity, logic, petri nets and related areas.