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	Center for Nonlinear Studies
	Home  ▶ People   Current   Affiliates   Alumni   Visitors   Students  ▶ Research   ICAM-LANL  ▶ Publications   2007   2006   2005   2004   2003   2002   2001   2000   <1999  ▶ Conferences   Workshops   Sponsorship  ▶ Talks   Colloquia   Seminars   Quantum Lunch   CMS Colloquia   Archive   Kac Lectures   Dist. Quant. Lecture   Ulam Scholar   Colloquia     Jobs  ▶ Students   Summer Research   Graduate Positions  ▶ Visitors   Description  ▶ Services   General   PD Travel Request     History of CNLS     Maps, Directions   CNLS Office   T-Division   LANL				Thursday, October 22, 200912:30 PM - 2:00 PMCNLS Conference Room (TA-3, Bldg 1690) Seminar Schelling Formalized: Strategic Choices of Non-Rational Personas David H. WolpertNASA Ames Research Center We introduce a framework that explains non-rationality in non-repeated games. In our framework a player $i$ adopts a binding "persona" --- a temporary utility function --- that they honestly signal before play. By adopting a "non-rational" persona, $i$ may cause changes in their opponents' behavior that increases $i$'s true utility. We use this framework to explain experimental data in the Traveler's Dilemma and to show how cooperation can arise in the Prisoner's Dilemma (PD). We then predict a crowding out phenomenon in the PD. We also predict a tradeoff between the robustness and the benefit of cooperation in the PD. Host: Misha Chertkov