I am reviewing some literature on controlling SIR models. I have come across the following article
- Khalid Hattaf, Noura Yousfi, Optimal control of a delayed HIV infection model with immune response using an efficient numerical method, ISRN Biomathematics, 2012. [ZBL1268.92089]
where the authors wrote that their control should be measurable to be admissible, and I don't quite get why. Can somebody please enlighten me?