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Prof. Dr. Jürgen Dix · Department of Informatics, TUC <strong>Multiagent</strong> <strong>Systems</strong>, WS 06/07 577/731<br />

8. Action/Time as Modalities 5. Verification<br />

Summary of Complexity Results<br />

m, l n, k, l n local , k, l<br />

CTL P-compl. [1] P-compl. [1] PSPACE-compl. [2]<br />

ATL P-compl. [3] Σ P 2 -compl. [4] EXPTIME-compl. [7]<br />

Pos-ATL ir NP-compl. [5,6] Σ P 2 -compl. [6] ?<br />

ATL ir ∆ P 2 -compl. [8] ∆ P 3 -compl. [8] ?<br />

[1] Clarke, Emerson & Sistla (1986), Automatic verification of finite-state concurrent<br />

systems using temporal logic specifications.<br />

[2] Kupferman, Vardi & Wolper (2000), An automata-theoretic approach to<br />

branching-time model checking.<br />

[3] Alur, Henzinger & Kupferman (2002) Alternating-time Temporal Logic.<br />

[4] Jamroga & Dix (2005), Do agents make model checking explode?<br />

[5] Schobbens (2004), Alternating-time logic with imperfect recall.<br />

[6] Jamroga & Dix (2005), Model checking strategic abilities of agents under<br />

incomplete information.<br />

[7] Van der Hoek, Lomuscio & Wooldridge (2006), On the complexity of practical ATL<br />

model checking.<br />

[8] Jamroga & Dix (2007), Model checking abilities of agents: A closer look.

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