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Nov 12 at 1:13 comment added Jules Lamers In integrable systems the 3-body case is tractable, but still very different from the (simple) 2-body case. In quantum-integrable systems, the 3-body case is related to the (quantum) Yang--Baxter equation. It is a gateway to the n-body case due to 'factorised scattering'.
Nov 10 at 11:45 history edited M. Winter CC BY-SA 4.0
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Nov 10 at 10:10 history edited David Manheim CC BY-SA 4.0
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Nov 10 at 1:54 history edited J. W. Tanner CC BY-SA 4.0
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Nov 10 at 1:34 comment added Buzz @eddyardonne The two-body problem is not solvable even in special relativity.
Nov 9 at 19:58 history made wiki Post Made Community Wiki by David Roberts
Nov 9 at 19:30 comment added eddy ardonne This is certainly true in general, but it's interesting to note that even the 2-body case can be hard. The prime example being general relativity.
S Nov 9 at 18:37 review First answers
Nov 9 at 19:16
S Nov 9 at 18:37 history answered David Manheim CC BY-SA 4.0