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Resource-bounded ATL: the Quest for Tractable Fragments

Abstract : Resource-aware logics to represent strategic abilities in multi-agent systems are notoriously hard to handle as they combine strategic reasoning with reasoning about resources. In this work, we begin by providing a general overview of the model-checking results currently available for the Resource-bounded Alternating-timeTemporal Logic RB±ATL. This allows us to identify several open problems in the literature, as well as to establish relationships with RBTL-like logics, when RB±ATL is restricted to a single agent. Then,we tackle one such open problem that we deem highly significant: we show that model-checking RB±ATL is ptime-complete when restricted to a single agent and a single resource. To do so, we make a valuable detour on vector addition systems with states, by proving new complexity results for their statereachability and nontermination problems, when restricted to a single counter. Thus, reasoning about resources comes at no computational extra cost int he single-resource, single-agent case.
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https://hal.archives-ouvertes.fr/hal-02362636
Contributor : Stéphane Demri Connect in order to contact the contributor
Submitted on : Tuesday, April 6, 2021 - 12:50:42 PM
Last modification on : Tuesday, January 18, 2022 - 2:26:07 PM
Long-term archiving on: : Wednesday, July 7, 2021 - 6:33:46 PM

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  • HAL Id : hal-02362636, version 1

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Francesco Belardinelli, Stephane Demri. Resource-bounded ATL: the Quest for Tractable Fragments. 18th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2019, May 2019, Montreal, Canada. pp.206--214. ⟨hal-02362636⟩

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