quasi-projective
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English
Etymology
From quasi- + projective, the sense being that projective varieties are closed subsets of projective space while quasi-projective varieties are only required to be locally closed, a strictly weaker condition. The second, scheme-theoretic sense generalizes the first.
Adjective
quasi-projective (not comparable)
- (algebraic geometry, of a variety) Locally closed with respect to the Zariski topology on projective n-space; isomorphic to such a set.
- (algebraic geometry, of a scheme) Comprising an open subscheme of a projective scheme