The latest issue of Stochastic Systems appears here:
https://pubsonline.informs.org/toc/stsy/currentIn addition to the regular articles it includes a collection of open problems collated by Rami Atar and Harsha Honappa that you might find motivating.
Happy reading!
Cheers,
Shane
------------------------------
Shane Henderson
EiC, Stochastic Systems
Professor, School of ORIE, Cornell University
Ithaca NY
------------------------------