Do you know of anything that comes close to topic 3 on
http://www.darpa.mil/Our_Work/DSO/Programs/23_Mathematical_Challenges.aspx
Capture and Harness Stochasticity in Nature Address Mumford’s call for new mathematics for the 21st century. Develop methods that capture persistence in stochastic environments
What does this challenge actually mean? What do I have to search if I wanted to see if progress has been made? :)