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arXiv cs/9906007cs.LOcs.CC
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MSO可定义串变换和双向有限状态变换器

MSO definable string transductions and two-way finite state transducers

Joost Engelfriet, Hendrik Jan Hoogeboom

摘要:

在一元二阶(mso)逻辑中可定义的串转换(不使用参数)正是那些由确定性双向有限状态转换器实现的转换。非确定性mso可定义的串转换(即,可使用参数定义的那些)对应于具有有限访问特性的两个非确定性双向有限状态换能器的组合。mso可定义的串转换的两个家族都用Hennie机来表征,即,允许重写其输入带的具有有限访问特性的双向有限状态转换器。

英文摘要:

String transductions that are definable in monadic second-order (mso) logic (without the use of parameters) are exactly those realized by deterministic two-way finite state transducers. Nondeterministic mso definable string transductions (i.e., those definable with the use of parameters) correspond to compositions of two nondeterministic two-way finite state transducers that have the finite visit property. Both families of mso definable string transductions are characterized in terms of Hennie machines, i.e., two-way finite state transducers with the finite visit property that are allowed to rewrite their input tape.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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