Theory of linear and integer programming
Theory of linear and integer programming
Finite automata and unary languages
Theoretical Computer Science
Counting strongly connected finite automata
Graph theory with applications to algorithms and computer science
Journal of the ACM (JACM)
Automata, Languages, and Machines
Automata, Languages, and Machines
WCET free time analysis of hard real-time systems on multiprocessors: A regular language-based model
Theoretical Computer Science
Reducing nondeterministic finite automata with SAT solvers
FSMNLP'09 Proceedings of the 8th international conference on Finite-state methods and natural language processing
Regular geometrical languages and tiling the plane
CIAA'10 Proceedings of the 15th international conference on Implementation and application of automata
Geometricity of binary regular languages
LATA'10 Proceedings of the 4th international conference on Language and Automata Theory and Applications
Decidability of geometricity of regular languages
DLT'12 Proceedings of the 16th international conference on Developments in Language Theory
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We present a new method for checking whether a regular language over an arbitrarily large alphabet is semi-geometrical or whether it is geometrical. This method makes use first of the partitioning of the state diagram of the minimal automaton of the language into strongly connected components and secondly of the enumeration of the simple cycles in each component. It is based on the construction of systems of linear Diophantine equations the coefficients of which are deduced from the the set of simple cycles. This paper addresses the case of a strongly connected graph.