Descriptional Complexity of Formal Systems

The proceedings contain 24 papers. The special focus in this conference is on Descriptional Complexity of Formal Systems. The topics include: Sensing as a complexity measure; avoiding overlaps in pictures; on the degree of nondeterminism of tree adjoining languages and head grammar languages; on the average complexity of strong star normal form; most complex non-returning regular languages; uncountable realtime probabilistic classes; a parametrized analysis of algorithms on hierarchical graphs; graph-controlled insertion-deletion systems generating language classes beyond linearity; computational completeness of networks of evolutionary processors with elementary polarizations and a small number of processors; self-attraction removal from oritatami systems; one-time nondeterministic computations; branching measures and nearly acyclic NFAS; a pumping lemma for ordered restarting automata; concise representations of reversible automata; reset complexity of ideal languages over a binary alphabet; state complexity of suffix distance and the quotient operation on input driven pushdown automata.