Robuta

https://astro.theoj.org/article/169864-not-all-cores-are-equal-phase-space-origins-of-dynamical-friction-stalling-and-buoyancy Not all cores are equal: Phase-space origins of dynamical friction, stalling and buoyancy |... phase spacedynamical frictioncoresequalorigins https://arpi.unipi.it/handle/11568/88722 Slow evolution of quasi-collisional systems of stars induced by dynamical friction on a minority... dynamical frictionslowevolutionquasicollisional