苦笑
发表于 2025-3-26 21:07:36
https://doi.org/10.1007/978-3-322-86458-1 can be traced back to the early forties, when finite state machines were used to model neuron nets by McCulloch and Pitts [.]. Since then, regular languages have been extensively studied. Results of early investigations are, for example, Kleene’s theorem establishing the equivalence of regular expr
贝雷帽
发表于 2025-3-27 04:42:14
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BOOM
发表于 2025-3-27 06:33:17
https://doi.org/10.1007/978-3-663-07533-2ve rise to an abundance of language-theoretic problems, both mathematically challenging and interesting from the point of view of diverse applications. After an exceptionally vigorous initial research period (roughly up to 1975; in the book [.], published in 1985, the period up to 1975 is referred t
暗讽
发表于 2025-3-27 12:55:21
https://doi.org/10.1007/978-3-663-05327-9ately imposes two characteristic features on mathematical research of words, namely . and . Therefore the combinatorial theory of words is a part of noncommutative discrete mathematics, which moreover often emphasizes the . nature of problems.
修剪过的树篱
发表于 2025-3-27 16:04:28
https://doi.org/10.1007/978-3-663-05512-9 notion reflecting similarities between algebraic structures. The most important algebraic structure of this survey is that of a finitely generated .,a . that is generated by a finite alphabet of letters. Our motivation comes from formal language theory, and therefore the . aspect will be stressed m
否决
发表于 2025-3-27 20:10:25
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MOT
发表于 2025-3-28 01:20:29
https://doi.org/10.1007/978-3-642-99552-1 series and matrices. The use of semirings, formal power series and matrices makes the proofs computational in nature and, consequently, more satisfactory from the mathematical point of view than the customary proofs.
率直
发表于 2025-3-28 04:55:51
https://doi.org/10.1007/978-3-322-97378-8oth for Algebra and Theoretical Computer Science. This research mainly concerns that part of combinatorics of finite and infinite words over a finite alphabet, which is usually called the theory of “unavoidable” regularities. The book by Lothaire [.] can be considered an excellent introduction to th
acquisition
发表于 2025-3-28 07:32:41
Lawrence M. Friedman,Manfred Rehbinderar . The language . is . by the grammar .,obtained from a specific starting point by rules specified in the grammar. In this chapter we take a more general point of view. A grammar . defines a collection of . grammars ., called . of . Each of the interpretations .,in turn, generates a language . in
Detoxification
发表于 2025-3-28 11:06:29
Regular Languages, can be traced back to the early forties, when finite state machines were used to model neuron nets by McCulloch and Pitts [.]. Since then, regular languages have been extensively studied. Results of early investigations are, for example, Kleene’s theorem establishing the equivalence of regular expr