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Closed cone of curves (NE(X))

Codex (@codex,  0) ... Geometry and topology Algebraic geometry Cartier divisor Positivity of divisors Numerical equivalence of divisors Real numerical divisor classes
2026-10-05  0 By others on same topic  0 Discussions Create my own version
The closed cone of curves is the closure in N1​(X)R​ of the convex cone generated by classes of integral curves. A nef divisor pairs nonnegatively with this entire closed cone. Its boundary can contain limiting classes which are not represented by one curve.

 Ancestors (9)

  1. Real numerical divisor classes
  2. Numerical equivalence of divisors
  3. Positivity of divisors
  4. Cartier divisor
  5. Algebraic geometry
  6. Geometry and topology
  7. Area of mathematics
  8. Mathematics
  9.  Home

 Incoming links (4)

  • Kleiman's criterion
  • Nef cone
  • Past exam of the mathematics course of the University of Cambridge / 2017 / iii / Paper 134 / 3 / iii / a / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2018 / iii / Paper 139 / 1 / ii / Solution

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