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Multiagent Systems

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Prof. Dr. Jürgen Dix · Department of Informatics, TUC <strong>Multiagent</strong> <strong>Systems</strong>, WS 06/07 211/731<br />

3. Decision Making (1) 2. Non-coop Games<br />

Definition 3.19 (Nash-Equilibrium)<br />

A strategy profile 〈s ∗ 1, s ∗ 2, . . . , s ∗ n〉 is a Nash<br />

equilibrium if for any agent i, s ∗ i is the best<br />

response to 〈s ∗ 1, s ∗ 2, . . . , s ∗ i−1 , s∗ i+1 , . . . , s∗ n〉.<br />

What are the Nash equilibria in the Battle of<br />

sexes? What about the matching pennies?

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