étale cohomology

noun phrase

Compounds

Combines

Forms

  • singular : étale cohomology
  • plural : étale cohomologies

Senses

  • in mathematics, the étale cohomology groups of an algebraic variety or scheme are algebraic analogues of the usual cohomology groups with finite coefficients of a topological space, introduced by Grothendieck in order to prove the Weil conjectures