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15
Math.TechQA.Club
2026-04-14 06:49:00
120
Views
Commutativity of naive smash product
Published on
14 Apr 2026 - 6:49
#algebraic-topology
#homotopy-theory
#spectra
122
Views
Spectra smashing with $\mathbb{S}^1$ is equivalent to shifting
Published on
25 Mar 2026 - 19:03
#algebraic-topology
#proof-explanation
#spectra
50
Views
Checking $X \to S[J^{-1}] \wedge X$ is an $S[J^{-1}]$ equivalence.
Published on
25 Mar 2026 - 17:40
#stable-homotopy-theory
#spectra
162
Views
Visualising Spectra?
Published on
30 Apr 2026 - 2:29
#algebraic-topology
#soft-question
#spectra
69
Views
$\Omega$-spectrum from homotopy-cartesian squares?
Published on
25 Mar 2026 - 17:37
#algebraic-topology
#homotopy-theory
#spectra
166
Views
Discrete Spectra
Published on
30 Apr 2026 - 6:11
#homotopy-theory
#derived-categories
#spectra
93
Views
Notation clarification in stable homotopy theory
Published on
25 Mar 2026 - 15:57
#algebraic-topology
#homotopy-theory
#stable-homotopy-theory
#spectra
51
Views
Showing that $\sigma_A (a) = \sigma_C (A).$
Published on
25 Mar 2026 - 15:58
#operator-algebras
#c-star-algebras
#banach-algebras
#spectra
140
Views
Magnitude Spectrum from real 2D Fourier Coefficients
Published on
25 Mar 2026 - 19:03
#fourier-analysis
#spectra
116
Views
Excision in the stable homotopy category
Published on
23 Apr 2026 - 12:16
#algebraic-topology
#homology-cohomology
#stable-homotopy-theory
#spectra
240
Views
What is the essential image of the suspension spectrum functor $\Sigma^\infty$?
Published on
25 Mar 2026 - 16:03
#algebraic-topology
#stable-homotopy-theory
#spectra
67
Views
$\mathbf H R$ is a ring spectrum if $R$ is a ring
Published on
25 Mar 2026 - 15:59
#stable-homotopy-theory
#spectra
67
Views
Definition of a map of (pre)spectra in HoTT
Published on
25 Mar 2026 - 16:03
#homotopy-theory
#homotopy-type-theory
#spectra
73
Views
Spectral value of reduced von Neumann algebra
Published on
25 Mar 2026 - 16:02
#von-neumann-algebras
#spectra
342
Views
Is there is any relationship between determinant and spectral radius of the matrix?
Published on
25 Mar 2026 - 16:03
#spectral-graph-theory
#spectral-radius
#spectra
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