I really wish these kinds of articles would give us at least a hint as to the math actually at work here, and what kind of example systems they're working with

I really wish these kinds of articles would give us at least a hint as to the math actually at work here, and what kind of example systems they're working with in their experiments. As-is, this kind of metaphorical hand-waving gives the impression that vastly more is claimed than anyone can possibly have demonstrated in the linked publications.