Technical Note: \cal Q-Learning
Machine Learning
Introduction to Reinforcement Learning
Introduction to Reinforcement Learning
MATCONT: A MATLAB package for numerical bifurcation analysis of ODEs
ACM Transactions on Mathematical Software (TOMS)
An Evolutionary Dynamical Analysis of Multi-Agent Learning in Iterated Games
Autonomous Agents and Multi-Agent Systems
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The application of reinforcement learning algorithms to multiagent domains may cause complex non-convergent dynamics. The replicator dynamics, commonly used in evolutionary game theory, proved to be effective for modeling the learning dynamics in normal form games. Nonetheless, it is often interesting to study the robustness of the learning dynamics when either learning or structural parameters are perturbed. This is equivalent to unfolding the catalog of learning dynamical scenarios that arise for all possible parameter settings which, unfortunately, cannot be obtained through "brute force" simulation of the replicator dynamics. The analysis of bifurcations, i.e., critical parameter combinations at which the learning behavior undergoes radical changes, is mandatory. In this work, we introduce a one-parameter bifurcation analysis of the Selten's Horse game in which the learning process exhibits a set of complex dynamical scenarios even for relatively small perturbations on payoffs.