Question

Showing that the comultiplication map $E_E\to E_E\otimes E_*E$ is co-associative for a flat homotopy commutative ring spectrum

score 103 · Answer 1 · 2026-03-25 12:38:47

103

Views

Showing that the comultiplication map $E_E\to E_E\otimes E_*E$ is co-associative for a flat homotopy commutative ring spectrum

Published on 25 Mar 2026 - 12:38

score 83 · Answer 2 · 2026-04-14 11:17:07

83

Views

Homology of non-orientable surfaces

Published on 14 Apr 2026 - 11:17

score 135 · Answer 3 · 2026-04-11 03:46:45

135

Views

When is a restriction of a homotopy a homotopy?

Published on 11 Apr 2026 - 3:46

score 152 · Answer 4 · 2026-04-11 07:39:10

152

Views

Fundamental group of two spheres in a cylinder

Published on 11 Apr 2026 - 7:39

score 55 · Answer 5 · 2026-04-14 04:17:11

55

Views

Slick proof that the inverse homotopy continuous?

Published on 14 Apr 2026 - 4:17

score 103 · Answer 6 · 2026-04-10 04:13:46

103

Views

Spaces with two non-trivial homotopy groups

Published on 10 Apr 2026 - 4:13

score 45 · Answer 7 · 2026-03-25 06:13:03

45

Views

Is an epimorphism fibered in contractible kan complexes an acyclic kan fibration?

Published on 25 Mar 2026 - 6:13

score 107 · Answer 8 · 2026-04-13 07:12:15

107

Views

Calculating a specific example of a simplicial resolution of an algebra

Published on 13 Apr 2026 - 7:12

score 81 · Answer 9 · 2026-04-11 14:41:51

81

Views

Representation of topological K-theory via Brown representability

Published on 11 Apr 2026 - 14:41

score 27 · Answer 10 · 2026-03-25 07:42:48

27

Views

Sequential spectra formed from applications of B

Published on 25 Mar 2026 - 7:42

score 141 · Answer 11 · 2026-04-10 06:22:49

141

Views

Can any co-H space be represented as a suspension?

Published on 10 Apr 2026 - 6:22

score 68 · Answer 12 · 2026-04-15 10:23:36

68

Views

The path components of $Map(X,Y)$ is one to one corresponding to $[X,Y]$, the set of homotopy classes between $X$ and $Y$.

Published on 15 Apr 2026 - 10:23

score 38 · Answer 13 · 2026-04-09 17:52:24

38

Views

Sufficient conditions for retractions along simplices to result in "nice" complex

Published on 09 Apr 2026 - 17:52

score 285 · Answer 14 · 2026-04-09 12:03:06

285

Views

Pushout of equivalences along cofibrations are equivalences

Published on 09 Apr 2026 - 12:03

score 44 · Answer 15 · 2026-04-14 14:46:28

44

Views

Webeil's Intro to Homological Algebra: does theorem 10.6.3 implicitly reindex cochain complexes to chain complexes?

Published on 14 Apr 2026 - 14:46

List Question

Showing that the comultiplication map $E_E\to E_E\otimes E_*E$ is co-associative for a flat homotopy commutative ring spectrum

Homology of non-orientable surfaces

When is a restriction of a homotopy a homotopy?

Fundamental group of two spheres in a cylinder

Slick proof that the inverse homotopy continuous?

Spaces with two non-trivial homotopy groups

Is an epimorphism fibered in contractible kan complexes an acyclic kan fibration?

Calculating a specific example of a simplicial resolution of an algebra

Representation of topological K-theory via Brown representability

Sequential spectra formed from applications of B

Can any co-H space be represented as a suspension?

The path components of $Map(X,Y)$ is one to one corresponding to $[X,Y]$, the set of homotopy classes between $X$ and $Y$.

Sufficient conditions for retractions along simplices to result in "nice" complex

Pushout of equivalences along cofibrations are equivalences

Webeil's Intro to Homological Algebra: does theorem 10.6.3 implicitly reindex cochain complexes to chain complexes?

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