Stability and KAM Theory
Questions of stability of orbits have been of interest since Newton first set down the laws that govern the motion of the celestial bodies. “Is the universe stable?” is almost a theological question. Even though the question is old and important, very little is known about the problem, and much of what is known is difficult to come by.
KeywordsEquilibrium Point Rotation Number Libration Point Invariant Torus Invariant Curve
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