剪接系统和乔姆斯基等级
Splicing systems and the Chomsky hierarchy
摘要:
在本文中,我们证明了可判定性的性质和新的结果所产生的(循环)拼接系统的乔姆斯基层次内的语言家庭的位置。本文的两个主要结果如下。首先,我们证明了它是可判定的,给定一个循环拼接语言和一个正则语言,无论它们是否相等。其次,我们证明了由字母拼接系统生成的语言是上下文无关的。字母剪接系统是文献中已经考虑的简单和半简单剪接系统的推广。
英文摘要:
In this paper, we prove decidability properties and new results on the position of the family of languages generated by (circular) splicing systems within the Chomsky hierarchy. The two main results of the paper are the following. First, we show that it is decidable, given a circular splicing language and a regular language, whether they are equal. Second, we prove the language generated by an alphabetic splicing system is context-free. Alphabetic splicing systems are a generalization of simple and semi-simple splicin systems already considered in the literature.
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