概率策略的非合作理性综合问题
Non-cooperative rational synthesis problem for probabilistic strategies
AI总结:
本文研究概率策略下非合作理性综合问题的可判定性与复杂性,给出平稳策略与Muller目标下3-EXPTIME、位置型策略下NEXPSPACE及受限记忆下EXPTIME的求解结果,并证明其变体NCRSP_>不可判定。
摘要:
我们研究若干类概率策略下非合作理性综合问题(简称 NCRSP)的可判定性与复杂性。我们证明,对于平稳策略和 Muller 目标,NCRSP 属于 3-EXPTIME;若将环境玩家的策略限制为位置型策略,则 NCRSP 可在 NEXPSPACE 内求解。另一方面,NCRSP_> 作为 NCRSP 的一个变体,即使对于纯有限状态策略和终止可达性目标也被证明是不可判定的。最后,我们证明,若将策略的记忆限制为最近访问的 t 个顶点,其中 t 与博弈规模成线性关系,则 NCRSP 可在 EXPTIME 内求解。
英文摘要:
We study the decidability and complexity of non-cooperative rational synthesis problem (abbreviated as NCRSP) for some classes of probabilistic strategies. We show that NCRSP for stationary strategies and Muller objectives is in 3-EXPTIME, and if we restrict the strategies of environment players to be positional, NCRSP becomes NEXPSPACE solvable. On the other hand, NCRSP_>, which is a variant of NCRSP, is shown to be undecidable even for pure finite-state strategies and terminal reachability objectives. Finally, we show that NCRSP becomes EXPTIME solvable if we restrict the memory of a strategy to be the most recently visited t vertices where t is linear in the size of the game.
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