Just found this video about a modified PoS (Prof Kiayias) , partitioned into time slots and with a random selection of new stakeholders
Shows nice graphs on theoretical central -> decentral and speed graph but missing full CAP theorem view. Watch at 15min:
https://youtu.be/pjYDWWEkgN0At 35 min the new PoS model comes up.
Guess, it won t work....