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A characterization of regular circular languages generated by marked splicing systems

机译:标记拼接系统生成的常规循环语言的特征

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Splicing systems are generative devices of formal languages, introduced by Head in 1987 to model biological phenomena on linear and circular DNA molecules. A splicing system is defined by giving an initial set I and a set R of rules. Some unanswered questions are related to the computational power of circular splicing systems. In particular, a still open question is to find a characterization of circular languages generated by finite circular splicing systems (i.e., circular splicing systems with both I and R finite sets). In this paper we introduce a special class of the latter systems named marked systems. We prove that a marked system S generates a regular circular language if and only if S satisfies a special (decidable) property. As a consequence, we are able to characterize the structure of these regular circular languages.
机译:剪接系统是形式语言的生成设备,由Head在1987年引入,用于对线性和圆形DNA分子上的生物现象进行建模。拼接系统是通过给出规则的初始集合I和集合R来定义的。一些未解决的问题与圆形拼接系统的计算能力有关。特别地,仍然有待解决的问题是找到由有限的圆形拼接系统(即,具有I和R个有限集的圆形拼接系统)产生的圆形语言的表征。在本文中,我们介绍了后者的一类特殊系统,称为标记系统。我们证明,只有当S满足特殊(可确定的)属性时,标记系统S才会生成规则的循环语言。结果,我们能够表征这些常规循环语言的结构。

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