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Abstract: The role of gravity is crucial in astrophysics. It determines the evolutionof any system, over an enormous range of time and space scales. Astronomicalstellar systems as composed by N interacting bodies represent examples ofself-gravitating systems, usually treatable with the aid of newtonian gravitybut for particular cases. In this note I will briefly discuss some of the openproblems in the dynamical study of classic self-gravitating N-body systems,over the astronomical range of N. I will also point out how modern research inthis field compulsorily requires a heavy use of large scale computations, dueto the contemporary requirement of high precision and high computational speed.



Author: Roberto Capuzzo-Dolcetta Dept. of Physics, Sapienza, Universita di Roma, Roma, Italy

Source: https://arxiv.org/







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