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15
Math.TechQA.Club
2026-04-13 19:38:35
573
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De Rham cohomology of $T^*\mathbb{CP}^n$
Published on
13 Apr 2026 - 19:38
#differential-geometry
#algebraic-topology
#homology-cohomology
246
Views
Refining homotopy commutative maps of spectra to maps of E_{\infty}-ring spectra
Published on
26 Mar 2026 - 10:54
#algebraic-topology
#stable-homotopy-theory
901
Views
How can I understand the three-dimensional space forms?
Published on
13 Apr 2026 - 11:14
#general-topology
#group-theory
#differential-geometry
#algebraic-topology
#riemannian-geometry
1k
Views
Solving an exercise in Milnor-stasheff's "characteristic classes"
Published on
17 Apr 2026 - 11:11
#algebraic-topology
#homotopy-theory
#homology-cohomology
2.9k
Views
A more general definition of branched covering.
Published on
14 Apr 2026 - 1:09
#general-topology
#algebraic-topology
#riemann-surfaces
187
Views
Is a Covering Space of a Topological Space always Hausdorff?
Published on
13 Apr 2026 - 19:13
#general-topology
#algebraic-topology
1.6k
Views
Identifying letters up to homotopy
Published on
14 Apr 2026 - 9:11
#algebraic-topology
135
Views
Question about Relative Cohomology
Published on
15 Apr 2026 - 15:25
#algebraic-topology
#homology-cohomology
106
Views
Can injective and projective model structures be the same ?
Published on
11 Apr 2026 - 22:41
#algebraic-topology
#category-theory
#model-categories
674
Views
equivariant cohomology in case of free actions (basic question)
Published on
12 Apr 2026 - 1:45
#algebraic-topology
#homology-cohomology
177
Views
Proving the existence of some deformation retract
Published on
15 Apr 2026 - 10:04
#algebraic-topology
#homotopy-theory
102
Views
Open Book Decompositions of 3-manifold and Associated Heegard Splittings
Published on
16 Apr 2026 - 13:54
#general-topology
#algebraic-topology
#geometric-topology
342
Views
Mapping cone z to z^2 on S1 is RP2
Published on
13 Apr 2026 - 5:34
#algebraic-topology
339
Views
Applications of Brown's Representability Theorem
Published on
12 Apr 2026 - 8:41
#algebraic-topology
209
Views
Existence of a suitable cover for $S^{2}$ and a given sheaf
Published on
16 Apr 2026 - 9:46
#algebraic-topology
#sheaf-theory
#homology-cohomology
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