Büchi Automata Optimisations Formalised in Isabelle/HOL

Büchi Automata Optimisations Formalised in Isabelle/HOL
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Büchi 自动机优化在 Isabelle/HOL 中正式化

DOI:
10.1007/978-3-662-45824-2_11
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发表时间:
2015
期刊:
影响因子:
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通讯作者:
Jan-Georg Smaus
Jan-Georg Smaus
中科院分区:
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文献类型:
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作者:
Alexander Schimpf;Jan-Georg Smaus

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在自动机理论的应用中,人们感兴趣的是减少自动机的大小,以保持公认的语言。对于Büchi自动机,已经提出了两种优化:互模拟约简,计算状态的等价类并将其折叠,以及α球约简,折叠仅包含一个字母作为边缘标签的自动机的强连接组件(SCC)。在本文中,我们提出了一个形式化的Isabelle/HOL,这些算法提供了一个正式验证的实现。
In applications of automata theory, one is interested in reductions in the size of automata that preserve the recognised language. For Büchi automata, two optimisations have been proposed: bisimulation reduction, which computes equivalence classes of states and collapses them, andα-balls reduction, which collapses strongly connected components (SCCs) of an automaton that only contain one single letter as edge label. In this paper, we present a formalisation of these algorithms in Isabelle/HOL, providing a formally verified implementation.