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15
Math.TechQA.Club
2026-03-29 14:20:14
128
Views
Fundamental group of closed orientable aspherical 3-manifold is infinite
Published on
29 Mar 2026 - 14:20
#general-topology
#algebraic-topology
#manifolds
#geometric-topology
#fundamental-groups
60
Views
finite covering of a torus bundle over the circle is a torus bundle over the circle
Published on
28 Mar 2026 - 8:32
#manifolds
#geometric-topology
#covering-spaces
#fiber-bundles
#fibration
40
Views
Stable diffeomorphisms of disks
Published on
30 Aug 2023 - 14:09
#differential-topology
#homotopy-theory
#geometric-topology
51
Views
Embedding of spheres in euclidean space
Published on
31 Aug 2023 - 12:41
#general-topology
#geometric-topology
87
Views
Why can't a Lie group act transitively on a finite volume hyperbolic manifold?
Published on
25 Mar 2026 - 16:08
#lie-groups
#geometric-topology
#hyperbolic-geometry
#homogeneous-spaces
61
Views
Manifold no boundary and embedded balls
Published on
03 Sep 2023 - 15:51
#general-topology
#geometric-topology
112
Views
embedding of spheres and schoenflies
Published on
04 Sep 2023 - 9:24
#general-topology
#algebraic-topology
#solution-verification
#geometric-topology
110
Views
Visualize the lens space $L(1,1)\cong S^3$
Published on
26 Mar 2026 - 6:27
#geometric-topology
#low-dimensional-topology
85
Views
Embedding of half open half closed set in n-space
Published on
06 Sep 2023 - 20:29
#general-topology
#algebraic-topology
#solution-verification
#geometric-topology
323
Views
There exists a region bounded by a Jordan curve on the plane.
Published on
07 Sep 2023 - 10:49
#general-topology
#geometric-topology
47
Views
Generate Hopf fibration to implicit surfaces
Published on
25 Mar 2026 - 11:01
#differential-geometry
#manifolds
#geometric-topology
#hopf-fibration
20
Views
Is the impression of an ideal boundary point (=end) the union of the impressions of the prime ends of the circle of prime ends associated to this end?
Published on
08 Sep 2023 - 3:27
#general-topology
#algebraic-topology
#geometric-topology
#plane-geometry
39
Views
Conformal group of the Weeks manifold
Published on
27 Mar 2026 - 18:57
#geometric-topology
#hyperbolic-geometry
#conformal-geometry
#isometry
107
Views
Smooth application between ${\mathbb{S}}^2$ and ${\mathbb{R}P}^{2}$
Published on
13 Sep 2023 - 23:03
#general-topology
#differential-geometry
#differential-topology
#geometric-topology
50
Views
Help understanding Morse theory proof (Milnor)
Published on
25 Mar 2026 - 22:09
#differential-topology
#geometric-topology
#smooth-functions
#morse-theory
#cobordism
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