List questions from stable-homotopy-theory

Published on 12 Aug 2015 - 18:50

92

Views

A question on the relation of truncation $\tau_{\leq n}$ to the internal hom adjunction of spectra

Published on 18 Sep 2015 - 19:41

231

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unwinding the definition of $H_i(KU)$ as a map of spectra $\mathbb{S}^i \to HZ \wedge KU$

Published on 08 Oct 2015 - 14:47

110

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All Ideals are Radical in Rigid Categories

Published on 19 Oct 2015 - 8:54

595

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The ring of stable homotopy groups of spheres is not noetherian

Published on 04 Nov 2015 - 19:58

506

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When should one learn about $(\infty,1)$-categories?

Published on 02 Mar 2026 - 8:32

118

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Homotopy fixed points of connective K-theory

Published on 09 Mar 2026 - 15:46

104

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Define a map $\Omega \Sigma \Omega Y \to \Omega Y$

Published on 06 Mar 2026 - 1:15

89

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Spectrum of spectrum in the stable homotopy category

Published on 24 Mar 2026 - 19:56

109

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Why is Hom$_A(M,A)$ a right $\Gamma$ comodule?

Published on 17 Mar 2026 - 20:24

213

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Toy example for computing stable homotopy group.

Published on 26 Mar 2016 - 23:57

398

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Why are bordism groups of a point nontrivial

Published on 12 Apr 2016 - 23:32

71

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stable homotopy groups of the projective plane

Published on 13 Apr 2016 - 2:32

111

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Classifying spaces of different finite groups that are stably homotopy equivalent

Published on 18 Apr 2016 - 20:06

272

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A spectrum $I$ is $E$-injective iff the map $i:I\rightarrow I\wedge E$ is an inclusion of a retract.

Published on 27 May 2016 - 5:24

List Question

Is $\mathbb{S}^1 \wedge E$ a cofinal subspectra in $\Sigma E$?

A question on the relation of truncation $\tau_{\leq n}$ to the internal hom adjunction of spectra

unwinding the definition of $H_i(KU)$ as a map of spectra $\mathbb{S}^i \to HZ \wedge KU$

All Ideals are Radical in Rigid Categories

The ring of stable homotopy groups of spheres is not noetherian

When should one learn about $(\infty,1)$-categories?

Homotopy fixed points of connective K-theory

Define a map $\Omega \Sigma \Omega Y \to \Omega Y$

Spectrum of spectrum in the stable homotopy category

Why is Hom$_A(M,A)$ a right $\Gamma$ comodule?

Toy example for computing stable homotopy group.

Why are bordism groups of a point nontrivial

stable homotopy groups of the projective plane

Classifying spaces of different finite groups that are stably homotopy equivalent

A spectrum $I$ is $E$-injective iff the map $i:I\rightarrow I\wedge E$ is an inclusion of a retract.

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