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A rational function is a quotient of polynomials, with nonzero. After cancelling common factors, it defines a holomorphic map from the Riemann sphere to itself.

Ancestors (9)

  1. Meromorphic function
  2. Pole
  3. Classification of isolated singularities
  4. Isolated singularity
  5. Complex analysis
  6. Analysis
  7. Area of mathematics
  8. Mathematics
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