List questions from spectra

Published on 04 Dec 2018 - 19:32

300

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Spectral decomposition of an operator

Published on 03 Jan 2019 - 10:09

122

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Does trivial cohomology of spectra imply trivial homology?

Published on 17 Mar 2026 - 23:00

64

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if $\lambda \in sp(u)$ why $\lambda \in sp(\phi)$ too?

Published on 26 Feb 2019 - 23:17

136

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Tate construction of the Anderson dual of the sphere spectrum

Published on 07 Mar 2019 - 14:26

264

Views

Cohomology of spectra as free modules over Steenrod Algebra

Published on 17 Mar 2026 - 21:27

100

Views

Functoriality of twisted K-theory

Published on 25 Mar 2026 - 1:16

638

Views

"Naive" smash products for spectra

Published on 02 May 2014 - 11:44

122

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Why is $E^*(X)$ graded commutative?

Published on 14 Oct 2019 - 9:55

96

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Field spectra and Eilenberg--MacLane spectra?

Published on 01 Nov 2019 - 18:27

37

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Spectral properties via determinant function

Published on 08 Nov 2019 - 15:30

88

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$KO_*$ groups of $\mathbb{R}P^\infty$, "Snaiths" theorem for $KO$

Published on 25 Jan 2020 - 12:48

47

Views

A homotopy equivalence of $X \wedge Y \to Y \wedge X$ to itself.

Published on 29 Jan 2020 - 7:51

118

Views

Is a complex number $\lambda$ in the resolvent set $\rho(T)$ of $T$?

Published on 02 Feb 2020 - 9:35

492

Views

Spectral sequence for homotopy (co)limits

Published on 23 Feb 2026 - 2:53

List Question

hermitian operators with the same spectra

Spectral decomposition of an operator

Does trivial cohomology of spectra imply trivial homology?

if $\lambda \in sp(u)$ why $\lambda \in sp(\phi)$ too?

Tate construction of the Anderson dual of the sphere spectrum

Cohomology of spectra as free modules over Steenrod Algebra

Functoriality of twisted K-theory

"Naive" smash products for spectra

Why is $E^*(X)$ graded commutative?

Field spectra and Eilenberg--MacLane spectra?

Spectral properties via determinant function

$KO_*$ groups of $\mathbb{R}P^\infty$, "Snaiths" theorem for $KO$

A homotopy equivalence of $X \wedge Y \to Y \wedge X$ to itself.

Is a complex number $\lambda$ in the resolvent set $\rho(T)$ of $T$?

Spectral sequence for homotopy (co)limits

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