What are examples of good toy models in mathematics?
Posted by Qiaochu Yuan, at mathoverflow.net,
This post is community wiki. A comment on another question reminded me of this old post of Terence Tao's about toy models. I…
Nonlinear aspects of the renormalization group flows of Dyson's hierarchical model
Overview of attention for article published in Journal of Physics: A Mathematical & Theoretical, May 2007