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arXiv 2005.00641cs.LO
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能量μ演算:ω-正则能量博弈的符号不动点算法

Energy mu-Calculus: Symbolic Fixed-Point Algorithms for omega-Regular Energy Games

Gal Amram, Shahar Maoz, Or Pistiner, Jan Oliver Ringert

摘要:

$ω$-常规能量游戏,这是加权的两个玩家回合制游戏的定量目标,以保持能量水平非负,已被用于验证和合成的上下文中。模态$μ$-演算的逻辑,当应用于具有$ω$-正则获胜条件的博弈图时,允许以定点公式的形式定义用于计算获胜状态集的符号算法。在本文中,我们介绍了能量$μ$-演算,多值扩展的$μ$-演算,作为一个符号框架解决$ω$-经常能源游戏。能量$μ$-演算使现有的,众所周知的符号$μ$-演算算法的无缝重用$ω$-常规游戏,以解决其相应的能量增强的变种。我们定义的语法和语义的能量$μ$-演算的符号表示的游戏图,并展示了如何使用它来解决决策和最小信用问题的$ω$-定期能源游戏,有界和无界的能量水平的积累。

英文摘要:

$ω$-regular energy games, which are weighted two-player turn-based games with the quantitative objective to keep the energy levels non-negative, have been used in the context of verification and synthesis. The logic of modal $μ$-calculus, when applied over game graphs with $ω$-regular winning conditions, allows defining symbolic algorithms in the form of fixed-point formulas for computing the sets of winning states. In this paper, we introduce energy $μ$-calculus, a multi-valued extension of the $μ$-calculus that serves as a symbolic framework for solving $ω$-regular energy games. Energy $μ$-calculus enables the seamless reuse of existing, well-known symbolic $μ$-calculus algorithms for $ω$-regular games, to solve their corresponding energy augmented variants. We define the syntax and semantics of energy $μ$-calculus over symbolic representations of the game graphs, and show how to use it to solve the decision and the minimum credit problems for $ω$-regular energy games, for both bounded and unbounded energy level accumulations.

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