Hannes Homburger Florian Messerer Moritz Diehl Johannes Reuter Optimality and Suboptimality of MPPI Control in Stochastic and Deterministic Settings. 763-768 2025 9 IEEE Control. Syst. Lett. https://doi.org/10.1109/LCSYS.2025.3574151 db/journals/csysl/csysl9.html#HomburgerMDR25 streams/journals/csysl