My research is primarily focused on single- and multi-agent decision-theoretic planning and learning, especially reinforcement learning and stochastic optimization methods such as neuroevolution. Below is a list of my primary research areas and some current topics therein.  To find out more, check out my complete publication list.


Reinforcement Learning

  1. Robust empirical evaluation of reinforcement learning methods

  2. Automatic shaping for multi-task reinforcement learning

  3. State abstraction for multi-task reinforcement learning

  4. Feature selection and other state representation issues

  5. Applications to information retrieval


Multiagent Systems

  1. Multiagent reinforcement learning

  2. Multiagent neuroevolution

  3. Dec-POMDPs


Neuroevolution

  1. Applications to helicopter control

  2. Coevolutionary fitness modeling

  3. Efficient resampling

Research