Random Context and Semi-Conditional Insertion-Deletion Systems

Rankers over Infinite Words

Rational subsets of groups

Reaction Automata

Reactive Safety

Recompression: a simple and powerful technique for word equations

Reduction of fuzzy automata by means of fuzzy quasi-orders

Regular Expressions, au point

Regular Functions, Cost Register Automata, and Generalized Min-Cost Problems

Regular Languages are Church-Rosser Congruential

Regular realizability problems and models of a generalized nondeterminism

Relating timed and register automata

Relation between the Usual Order and the Enumeration Orders of Elements of r.e. Sets

Remarks on separating words

Remembering Chandra Kintala

Representing Real Numbers in a Generalized Numeration Systems

Representing Small Ordinals by Finite Automata

Restarting Automata with Auxiliary Symbols and Small Lookahead