Cohomology operation
id:
cohomology-operation-268-13288932
title:
Cohomology operation
text:
In mathematics, the cohomology operation concept became central to algebraic topology, particularly homotopy theory, from the 1950s onwards, in the shape of the simple definition that if F is a functor defining a cohomology theory, then a cohomology operation should be a natural transformation from F to itself. Throughout there have been two basic points: the operations can be studied by combinatorial means; and
the effect of the operations is to yield an interesting bicommutant theory. The orig
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Cohomology_operation
date created:
date modified:
2019-12-03T13:59:48Z
main entity:
{"identifier":"Q5141397","url":"https://www.wikidata.org/entity/Q5141397"}
image:
fields total:
13
integrity:
13