Gysin homomorphism
id:
gysin-homomorphism-237-16209565
title:
Gysin homomorphism
text:
In the field of mathematics known as algebraic topology, the Gysin sequence is a long exact sequence which relates the cohomology classes of the base space, the fiber and the total space of a sphere bundle. The Gysin sequence is a useful tool for calculating the cohomology rings given the Euler class of the sphere bundle and vice versa. It was introduced by Gysin (1942), and is generalized by the Serre spectral sequence.
brand slug:
wiki
category slug:
encyclopedia
description:
Long exact sequence
original url:
https://en.wikipedia.org/wiki/Gysin_homomorphism
date created:
date modified:
2023-08-27T10:14:44Z
main entity:
{"identifier":"Q1558545","url":"https://www.wikidata.org/entity/Q1558545"}
image:
fields total:
13
integrity:
14