Title: Constructive Knowledge: What Agents Can Achieve under Incomplete Information
Authors: Wojciech Jamroga, Computational Intelligence Group, Clausthal University of Technology
   Thomas Ågotnes, Department of Informatics, University of Bergen, Norway

Abstract:
We propose a non-standard semantics for Alternating-time Temporal Logic with incomplete information, for which no commonly accepted semantics has been proposed yet. In our semantics, formulae are interpreted over sets of states rather than single states. We also propose a new epistemic operator for ``constructive'' knowledge, and we show that the new language is strictly more expressive than existing solutions, while retaining the same model checking complexity. Keywords: alternating-time logic, modal logic, strategic ability, incomplete information, multi-agent systems.

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