Titlebook: Descriptional Complexity of Formal Systems; 13 International Wor Markus Holzer,Martin Kutrib,Giovanni Pighizzini Conference proceedings 201

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On the Degree of Team Cooperation in CD Grammar Systemsl in the sense that the degree of team cooperation of any language is bounded by a constant. Finally, we prove that the degree of team cooperation of a given cooperating/distributed grammar system cannot be algorithmically computed and discuss a decision problem.

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Kleene Theorems for Product Systems . with a restriction of ., that is, the initial global state is a feedback vertex set, going from systems to expressions is still polynomial time; in the reverse direction it is polynomial time with access to an NP oracle for finding deadlocks.

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Inkyu Sa,Stefan Hrabar,Peter Corke+?.(.)). states, where . is the maximum value of .(.., …, ..) for ., known as Landau’s function; (iv) .-th power of an .-state 2DFA, between (.???1).(.)???. and .(.(.)?+?.) states; (v) concatenation of an .-state and an .-state 2DFAs, . states.

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On Contextual Grammars with Subregular Selection Languages .. Moreover, we give some results on the power of external contextual grammars with regular commutative, regular circular, definite, suffix-free, ordered, combinational, nilpotent, and union-free selection languages.