Hopf invariant
In mathematics, in particular in algebraic topology, the Hopf invariant is a homotopy invariant of certain maps between n-spheres.
known for
Adams' theoremAdams spectral sequenceFrank AdamsGlossary of algebraic topologyGoro NishidaH-spaceHeinz HopfHiroshi TodaHomotopy groupHomotopy groups of spheresHopf Invariant One TheoremHopf fibrationHopf invariant oneHopf invariant one problemHopf invariant one theoremKervaire invariantLinking numberMichael_AtiyahQuantum invariantSecondary cohomology operationSteenrod algebraTopological K-theoryVector field problem on spheresWhitehead product
Link from a Wikipage to another Wikipage
known for
primaryTopic
Hopf invariant
In mathematics, in particular in algebraic topology, the Hopf invariant is a homotopy invariant of certain maps between n-spheres.
has abstract
In mathematics, in particular ...... ertain maps between n-spheres.
@en
Inom matematiken, speciellt in ...... sa avbildningar mellan sfärer.
@sv
在数学特别是代数拓扑学中，霍普夫不变量（Hopf invariant）是球面之间某些映射的一个同伦不变量。
@zh
호모토피 이론에서, 호프 불변량(Hopf不變量, 영어: Hopf invariant)은 특정한 차원의 두 초구 사이의 연속 함수를 분류하는 정수이다.
@ko
Link from a Wikipage to an external page
Wikipage page ID
page length (characters) of wiki page
Wikipage revision ID
975,859,780
Link from a Wikipage to another Wikipage
first
A.V.
@en
id
h/h048000
@en
last
Shokurov
@en
title
Hopf invariant
@en
wikiPageUsesTemplate
subject
hypernym
comment
In mathematics, in particular ...... ertain maps between n-spheres.
@en
Inom matematiken, speciellt in ...... sa avbildningar mellan sfärer.
@sv
在数学特别是代数拓扑学中，霍普夫不变量（Hopf invariant）是球面之间某些映射的一个同伦不变量。
@zh
호모토피 이론에서, 호프 불변량(Hopf不變量, 영어: Hopf invariant)은 특정한 차원의 두 초구 사이의 연속 함수를 분류하는 정수이다.
@ko
label
Hopf invariant
@en
Hopfinvariant
@sv
霍普夫不变量
@zh
호프 불변량
@ko