Speakur

Word Pronunciation & Dictionary

quasi-projective

Word Rarity Rare

Frequency: Zipf frequency 2.67 in modern English

Syllables
quasi-pro-jec-tive
IPA
38
Scrabble Score
15
Letters
4
Syllables
13
Unique Chars

Meaning

adj

Locally closed with respect to the Zariski topology on projective n-space; isomorphic to such a set.

adj

Comprising an open subscheme of a projective scheme

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.

Word Breakdown

Questions

What does quasi-projective mean?
Locally closed with respect to the Zariski topology on projective n-space; isomorphic to such a set.
Where does quasi-projective come from?
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.

How to pronounce quasi-projective

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