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  • Even with an easier non-living system, Newton thought the three-body problem deterministically intractable, and so it remains without special assumptions.

    Environmentalist Forecasting Model, Arnold Kling | EconLog | Library of Economics and Liberty

  • Even the generalized three-body system can only be predicted in the 'near term'. mynym: Although many seem to imagine that the theory of natural selection is the equivalent of the theory of gravity, it doesn't seem to predict much.

    Assessing Causality

  • Introductory physics classes learn there is no solution to the three-body problem, and the atmosphere is a lot more complicated than just three asteroids cycling around each other in space.

    On Thursday, the Legg report will be published along with...

  • The time evolution of the three-body problem is still a subject of active research in celestial mechanics and that is practically the simplest system we can thinkof.

    The Volokh Conspiracy » AsteroidGate

  • In the traditional three-body doctrine, however, it is the other two forms of embodiment that preach.


  • Euler also studied continuum mechanics, lunar theory with Clairaut, the three-body problem, elasticity, acoustics, the wave theory of light, hydraulics, and music.

    Euler, Leonhard

  • If we have a three-body system, we can conceptually divide it into three two-body systems, and knowing the forces that would operate in the two-body systems were they isolated, we can deduce what the forces are that are operating in the three-body system.

    John Stuart Mill

  • Henri Poincare was a favorite to win the prize, and he submitted an essay that demonstrated the stability of planetary motions in the three-body problem (actually the “restricted” problem, in which one test body moves in the gravitational field generated by two others).

    N Bodies

  • What he ended up proving was the opposite of his original claim — three-body orbits were not stable at all.

    N Bodies

  • In 1885, a mathematical competition was announced in honor of the 60th birthday of King Oscar II of Sweden, and the three-body problem was one of the questions.

    N Bodies


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