Exceptional divisor
id:
exceptional-divisor-236-18719152
title:
Exceptional divisor
text:
In mathematics, specifically algebraic geometry, an exceptional divisor for a regular map of varieties is a kind of 'large' subvariety of X which is 'crushed' by f , in a certain definite sense. More strictly, f has an associated exceptional locus which describes how it identifies nearby points in codimension one, and the exceptional divisor is an appropriate algebraic construction whose support is the exceptional locus. The same ideas can be found in the theory of holomorphic mappings of comple
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wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Exceptional_divisor
date created:
date modified:
2019-12-17T21:04:40Z
main entity:
{"identifier":"Q5419508","url":"https://www.wikidata.org/entity/Q5419508"}
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fields total:
13
integrity:
13