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Creators/Authors contains: "Tewolde, Emanuel"

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  1. ; ; ; ; ; ; (, ICML25)
    Free, publicly-accessible full text available July 13, 2026
  2. ; ; ; ; (, AAAI25)
    Free, publicly-accessible full text available February 25, 2026
  3. ; ; ; ; (, AAAI25)
    Free, publicly-accessible full text available February 25, 2026
  4. ; ; ; ; ; ; (, International Joint Conferences on Artificial Intelligence Organization)
    We investigate optimal decision making under imperfect recall, that is, when an agent forgets information it once held before. An example is the absentminded driver game, as well as team games in which the members have limited communication capabilities. In the framework of extensive-form games with imperfect recall, we analyze the computational complexities of finding equilibria in multiplayer settings across three different solution concepts: Nash, multiselves based on evidential decision theory (EDT), and multiselves based on causal decision theory (CDT). We are interested in both exact and approximate solution computation. As special cases, we consider (1) single-player games, (2) two-player zero-sum games and relationships to maximin values, and (3) games without exogenous stochasticity (chance nodes). We relate these problems to the complexity classes PPAD, PLS, Σ_2^P, ∃R, and ∃∀R. 
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