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Non-perturbative refers to methods or phenomena in physics and mathematics that cannot be adequately described by perturbation theory. Perturbation theory is a technique used to find an approximate solution to a problem that is too complex to solve exactly; it typically involves starting from a known solution and adding small corrections due to interactions or changes in parameters.

Ancestors (6)

  1. Perturbation theory
  2. Mathematical physics
  3. Applied mathematics
  4. Fields of mathematics
  5. Mathematics
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