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Summary of Programmatic Reinforcement Learning: Navigating Gridworlds, by Guruprerana Shabadi et al.


Programmatic Reinforcement Learning: Navigating Gridworlds

by Guruprerana Shabadi, Nathanaël Fijalkow, Théo Matricon

First submitted to arxiv on: 18 Feb 2024

Categories

  • Main: Machine Learning (cs.LG)
  • Secondary: Logic in Computer Science (cs.LO); Programming Languages (cs.PL)

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GrooveSquid.com Paper Summaries

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Summary difficulty Written by Summary
High Paper authors High Difficulty Summary
Read the original abstract here
Medium GrooveSquid.com (original content) Medium Difficulty Summary
In this paper, researchers in the field of reinforcement learning (RL) aim to bridge the gap between machine learning and formal methods. They investigate programmatic RL, which involves representing policies as programs that involve higher-order constructs like control loops. The authors focus on a specific class of gridworld environments and define a set of programmatic policies. They then derive upper bounds on the size of optimal programmatic policies and develop an algorithm for synthesizing them. The study contributes to our understanding of programmatic RL, including its theoretical limits and learnability.
Low GrooveSquid.com (original content) Low Difficulty Summary
This paper is about teaching computers to make good decisions when they’re not sure what will happen next. It’s a big problem in artificial intelligence, called reinforcement learning (RL). Right now, we don’t know much about how to solve this problem using special kinds of computer programs. The researchers in this study try to answer some basic questions: What are the best ways to make decisions like this? How complex can these decisions be? And how can we teach computers to make good decisions without knowing everything ahead of time? They look at a simple type of problem, called a gridworld, and come up with some ideas about how to solve it. This helps us understand more about teaching computers to make smart decisions.

Keywords

* Artificial intelligence  * Machine learning  * Reinforcement learning