57 citations · 97 across the 11 of their papers we have counts for
9 papers · 1 filter
Characterisation of reactive Nash equilibria in repeated additive games
Franziska Lesigang, Christian Hilbe, Nikoleta E. Glynatsi
In this paper, we study reactive strategies in repeated additive games between two players with finitely many actions. Reactive strategies condition only on the opponent's previous…
Reviving, reproducing, and revisiting Axelrod's second tournament
Vincent Knight, Owen Campbell, Marc Harper +2
Direct reciprocity, typically studied using the Iterated Prisoner's Dilemma (IPD), is central to understanding how cooperation evolves. In the 1980s, Robert Axelrod organized two i…
Conditional cooperation with longer memory
Nikoleta E. Glynatsi, Martin A. Nowak, Christian Hilbe
Direct reciprocity is a wide-spread mechanism for evolution of cooperation. In repeated interactions, players can condition their behavior on previous outcomes. A well known approa…
Properties of Winning Iterated Prisoner's Dilemma Strategies
Nikoleta E. Glynatsi, Vincent Knight, Marc Harper
Researchers have explored the performance of Iterated Prisoner's Dilemma strategies for decades, from the celebrated performance of Tit for Tat to the introduction of the zero-dete…
Using a theory of mind to find best responses to memory-one strategies
Nikoleta E. Glynatsi, Vincent A. Knight
Memory-one strategies are a set of Iterated Prisoner's Dilemma strategies that have been praised for their mathematical tractability and performance against single opponents. This…
Recognising and evaluating the effectiveness of extortion in the Iterated Prisoner's Dilemma
Vincent A. Knight, Marc Harper, Nikoleta E. Glynatsi +1
Since the introduction of zero-determinant strategies, extortionate strategies have received considerable interest. While an interesting class of strategies, the definitions of ext…
Evolution Reinforces Cooperation with the Emergence of Self-Recognition Mechanisms: an empirical study of the Moran process for the iterated Prisoner's dilemma
Vincent Knight, Marc Harper, Nikoleta E. Glynatsi +1
We present insights and empirical results from an extensive numerical study of the evolutionary dynamics of the iterated prisoner's dilemma. Fixation probabilities for Moran proces…
Reinforcement Learning Produces Dominant Strategies for the Iterated Prisoner's Dilemma
Marc Harper, Vincent Knight, Martin Jones +3
We present tournament results and several powerful strategies for the Iterated Prisoner's Dilemma created using reinforcement learning techniques (evolutionary and particle swarm a…
An open reproducible framework for the study of the iterated prisoner's dilemma
Vincent Knight, Owen Campbell, Marc Harper +19
The Axelrod library is an open source Python package that allows for reproducible game theoretic research into the Iterated Prisoner's Dilemma. This area of research began in the 1…