A site is a category equipped with a Grothendieck topology, specifying which sieves are covering. The sheaves on a site satisfy unique amalgamation of matching families on those sieves. A small site presents a Grothendieck topos.

Ancestors (10)

  1. Grothendieck topology
  2. Presheaf category
  3. Functor category
  4. Functor
  5. Category
  6. Category theory
  7. Foundations of mathematics
  8. Area of mathematics
  9. Mathematics
  10. Home

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