On Chomsky Hierarchy of Palindromic Languages
Acta Cybern.(2016)
摘要
The characterization of the structure of palindromic regular and palindromiccontext-free languages is described by S. Horváth, J. Karhumäki,and J. Kleijn in 1987. In this paper alternative proofs are givenfor these characterizations.
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关键词
palindromic formal languages,combinatorics of words and languages
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