Canonical finite models of Kleene algebra with tests

研究成果: Contribution to journalArticle査読


Kleene algebra with tests (KAT) was introduced by Kozen as an extension of Kleene algebra (KA). So far, the decidability of equational formulas (p=q) and Horn formulas (∧ipi=qi→p=q) in KAT has been investigated by several authors. Continuing this line of research, the current paper studies the decidability of existentially quantified equational formulas ∃q∈P.(p=q) in KAT, where P is a fixed collection of KAT terms and plays a role as a parameter of this decision problem. To design a systematic strategy of deciding problems of this form, given in this paper is an effective procedure of constructing from each KAT term p a finite KAT model K(p) that will be called the canonical finite model of the KAT term p. Applications of this construction are presented, proving the decidability of ∃q∈P.(p=q) for several non-trivial P.

ジャーナルJournal of Logical and Algebraic Methods in Programming
出版ステータス出版済み - 6 2016

All Science Journal Classification (ASJC) codes

  • Theoretical Computer Science
  • Software
  • Logic
  • Computational Theory and Mathematics

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