List questions from spectra

Published on 11 Feb 2020 - 21:39

208

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Spectrum of the operator $T \in \mathcal{L}(L^2(\Bbb{R}_+))$ defined by $(Tf)(x)=(1−e^{−x})f(x)$

Published on 18 Apr 2020 - 8:46

62

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Symmetric spectrum associated to a ring

Published on 22 May 2020 - 15:52

149

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Basic question about the definition of the homology of a spectrum

Published on 16 Jun 2020 - 13:59

118

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A problem with a definition of homology of a spectrum

Published on 30 Aug 2016 - 21:29

180

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Homotopy fixed points of KU

Published on 08 Sep 2016 - 14:49

202

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Edge homomorphisms for Atiyah-Hirzebruch spectral sequence for a spectrum $X$

Published on 11 Sep 2016 - 9:00

131

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There is given spectrum for $\phi$. Find such $\psi$ with spectrum with special property.

Published on 21 Nov 2016 - 12:51

180

Views

Calculating the extraordinary cohomology of $\mathbb{C}P^n$

Published on 02 Apr 2017 - 19:30

140

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Defining coefficient ring of a cohomology theory

Published on 02 Apr 2017 - 19:44

98

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Stable homotopy groups commute with inverse limit

Published on 28 Feb 2023 - 21:24

63

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Induction preserves weak equivalences

Published on 22 Mar 2026 - 9:39

134

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If Spectra are analogous to chain complexes, why do we have both $KG(\mathbb{Z}), \mathbb{S}$

Published on 02 Jun 2023 - 18:21

89

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When is a $p$-local spectrum zero?

Published on 08 Jun 2023 - 17:40

116

Views

Why does a stable category admitting finite limits, filtered colimits and $\Sigma$ admit pushouts?

Published on 24 Mar 2026 - 11:51

List Question

Homology of a spectrum

Spectrum of the operator $T \in \mathcal{L}(L^2(\Bbb{R}_+))$ defined by $(Tf)(x)=(1−e^{−x})f(x)$

Symmetric spectrum associated to a ring

Basic question about the definition of the homology of a spectrum

A problem with a definition of homology of a spectrum

Homotopy fixed points of KU

Edge homomorphisms for Atiyah-Hirzebruch spectral sequence for a spectrum $X$

There is given spectrum for $\phi$. Find such $\psi$ with spectrum with special property.

Calculating the extraordinary cohomology of $\mathbb{C}P^n$

Defining coefficient ring of a cohomology theory

Stable homotopy groups commute with inverse limit

Induction preserves weak equivalences

If Spectra are analogous to chain complexes, why do we have both $KG(\mathbb{Z}), \mathbb{S}$

When is a $p$-local spectrum zero?

Why does a stable category admitting finite limits, filtered colimits and $\Sigma$ admit pushouts?

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