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Dehn surgery is a concept in the field of 3-manifold topology, named after the mathematician Rudolf Dehn. It is a technique used to construct new 3-manifolds from a given 3-manifold by cutting along a torus and gluing back the resulting boundary in a specific way.

Ancestors (6)

  1. Surgery theory
  2. Algebraic topology
  3. Fields of abstract algebra
  4. Fields of mathematics
  5. Mathematics
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