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Semiring Provenance for Büchi Games: Strategy Analysis with Absorptive Polynomials
arXiv - CS - Logic in Computer Science Pub Date : 2021-09-17 , DOI: arxiv-2109.08327 Erich GrädelRWTH Aachen University, Aachen, Germany, Niels LückingRWTH Aachen University, Aachen, Germany, Matthias NaafRWTH Aachen University, Aachen, Germany
arXiv - CS - Logic in Computer Science Pub Date : 2021-09-17 , DOI: arxiv-2109.08327 Erich GrädelRWTH Aachen University, Aachen, Germany, Niels LückingRWTH Aachen University, Aachen, Germany, Matthias NaafRWTH Aachen University, Aachen, Germany
This paper presents a case study for the application of semiring semantics
for fixed-point formulae to the analysis of strategies in B\"uchi games.
Semiring semantics generalizes the classical Boolean semantics by permitting
multiple truth values from certain semirings. Evaluating the fixed-point
formula that defines the winning region in a given game in an appropriate
semiring of polynomials provides not only the Boolean information on who wins,
but also tells us how they win and which strategies they might use. This is
well-understood for reachability games, where the winning region is definable
as a least fixed point. The case of B\"chi games is of special interest, not
only due to their practical importance, but also because it is the simplest
case where the fixed-point definition involves a genuine alternation of a
greatest and a least fixed point. We show that, in a precise sense, semiring semantics provide information
about all absorption-dominant strategies - strategies that win with minimal
effort, and we discuss how these relate to positional and the more general
persistent strategies. This information enables applications such as game
synthesis or determining minimal modifications to the game needed to change its
outcome.
中文翻译:
Büchi 游戏的半林起源:使用吸收多项式的策略分析
也因为它是最简单的情况,其中不动点定义涉及最大不动点和最小不动点的真正交替。我们表明,在精确的意义上,半环语义提供了有关所有吸收主导策略的信息 - 以最少的努力获胜的策略,我们讨论了这些与位置策略和更一般的持久策略之间的关系。此信息支持应用程序,例如游戏合成或确定更改其结果所需的游戏最小修改。
更新日期:2021-09-20
中文翻译:
Büchi 游戏的半林起源:使用吸收多项式的策略分析
也因为它是最简单的情况,其中不动点定义涉及最大不动点和最小不动点的真正交替。我们表明,在精确的意义上,半环语义提供了有关所有吸收主导策略的信息 - 以最少的努力获胜的策略,我们讨论了这些与位置策略和更一般的持久策略之间的关系。此信息支持应用程序,例如游戏合成或确定更改其结果所需的游戏最小修改。