Grand Challenge Homework
 
GCHs are open problems that my colleagues and I have faced in our research and have not been able to solve them. Typically, these are math problems that we have spent quite some time to prove or disprove without any success. For example, refer to the conjecture that we posed in our INFOCOM 2015 paper. If you have a suggestion to solve any of our GCHs, I would be very eager to talk to you. I am in the process of posting all of our GCHs, so stay tuned!