An abstraction-refinement methodology for reasoning about network games

G. Avni, S. Guha, O. Kupferman, Games 9 (2018).

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Journal Article | Published | English
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Abstract
Network games (NGs) are played on directed graphs and are extensively used in network design and analysis. Search problems for NGs include finding special strategy profiles such as a Nash equilibrium and a globally-optimal solution. The networks modeled by NGs may be huge. In formal verification, abstraction has proven to be an extremely effective technique for reasoning about systems with big and even infinite state spaces. We describe an abstraction-refinement methodology for reasoning about NGs. Our methodology is based on an abstraction function that maps the state space of an NG to a much smaller state space. We search for a global optimum and a Nash equilibrium by reasoning on an under- and an over-approximation defined on top of this smaller state space. When the approximations are too coarse to find such profiles, we refine the abstraction function. We extend the abstraction-refinement methodology to labeled networks, where the objectives of the players are regular languages. Our experimental results demonstrate the effectiveness of the methodology.
Publishing Year
Date Published
2018-09-01
Journal Title
Games
Volume
9
Issue
3
Article Number
39
ISSN
IST-REx-ID

Cite this

Avni G, Guha S, Kupferman O. An abstraction-refinement methodology for reasoning about network games. Games. 2018;9(3). doi:10.3390/g9030039
Avni, G., Guha, S., & Kupferman, O. (2018). An abstraction-refinement methodology for reasoning about network games. Games, 9(3). https://doi.org/10.3390/g9030039
Avni, Guy, Shibashis Guha, and Orna Kupferman. “An Abstraction-Refinement Methodology for Reasoning about Network Games.” Games 9, no. 3 (2018). https://doi.org/10.3390/g9030039.
G. Avni, S. Guha, and O. Kupferman, “An abstraction-refinement methodology for reasoning about network games,” Games, vol. 9, no. 3, 2018.
Avni G, Guha S, Kupferman O. 2018. An abstraction-refinement methodology for reasoning about network games. Games. 9(3).
Avni, Guy, et al. “An Abstraction-Refinement Methodology for Reasoning about Network Games.” Games, vol. 9, no. 3, 39, MDPI AG, 2018, doi:10.3390/g9030039.
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