Semirings, automata, languages
Semirings, automata, languages
Toward a Formal Macroset Theory
WMP '00 Proceedings of the Workshop on Multiset Processing: Multiset Processing, Mathematical, Computer Science, and Molecular Computing Points of View
The Mathematical Theory of Context-Free Languages
The Mathematical Theory of Context-Free Languages
On a hierarchy of languages with catenation and shuffle
DLT'12 Proceedings of the 16th international conference on Developments in Language Theory
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The concept of semilinear sets is generalized to commutative semirings. It is shown that the semilinear sets over commutative semirings are exactly the algebraic/rational sets over such structures.