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15
Math.TechQA.Club
2026-03-23 09:45:08
228
Views
How to visualize the String(n) group?
Published on
23 Mar 2026 - 9:45
#general-topology
#algebraic-topology
#manifolds
#geometric-topology
#eilenberg-maclane-spaces
127
Views
Does the Poincare homology sphere smoothly embed in $\mathbb{C}P^2$?
Published on
27 Aug 2018 - 18:59
#differential-topology
#geometric-topology
351
Views
notation for connected sum $\#^n S^2 \times S^2$
Published on
22 Mar 2026 - 19:35
#general-topology
#geometric-topology
#spheres
#4-manifolds
222
Views
Justifying casual claims in algebraic topology
Published on
28 Aug 2018 - 13:04
#general-topology
#algebraic-topology
#soft-question
#geometric-topology
66
Views
Submanifold generators that correspond to Stiefel Whitney class of $\mathbb{RP}^n$
Published on
25 Mar 2026 - 9:28
#differential-geometry
#algebraic-topology
#homology-cohomology
#geometric-topology
#characteristic-classes
429
Views
The Distance between two points in a hypothetical universe.
Published on
31 Aug 2018 - 0:08
#metric-spaces
#geometric-topology
864
Views
3D lattice of a tetrahedron. What is it called?
Published on
31 Aug 2018 - 4:22
#geometry
#euclidean-geometry
#complex-geometry
#geometric-topology
236
Views
Submanifold generator and its Poincaré dual in a 5-dimensional real projective space
Published on
31 Aug 2018 - 15:29
#algebraic-topology
#manifolds
#homology-cohomology
#geometric-topology
#projective-space
73
Views
Poincaré dual of $H^1(M,\mathbb{Z}_2)$ for a $\frac{\mathbb{CP}^2\times S^1}{\tau}$
Published on
25 Mar 2026 - 11:20
#algebraic-topology
#manifolds
#homology-cohomology
#geometric-topology
#quotient-spaces
34
Views
Is there a rule for "kinks" in boundaries of point sets?
Published on
03 Sep 2018 - 14:27
#manifolds
#geometric-topology
81
Views
Poincaré dual of the trivial class $H^1(\mathbb{RP}^5,\mathbb{Z}_2)$
Published on
03 Sep 2018 - 15:57
#algebraic-topology
#manifolds
#homology-cohomology
#geometric-topology
#projective-space
37
Views
Poincaré dual of the generators of $H^d(S^5/\mathbb{Z}_4,\mathbb{Z}_4)$
Published on
25 Mar 2026 - 11:20
#algebraic-topology
#manifolds
#homology-cohomology
#geometric-topology
#quotient-spaces
380
Views
One-degree map between orientable compact manifolds
Published on
05 Sep 2018 - 18:05
#algebraic-topology
#differential-topology
#geometric-topology
81
Views
Cobordant of Dold manifold and Wu manifold via fibered classifying spaces
Published on
25 Mar 2026 - 7:05
#algebraic-topology
#manifolds
#geometric-topology
#fibration
#cobordism
28
Views
$E_8 \oplus m[1]$ ever diagonal?
Published on
25 Mar 2026 - 7:40
#manifolds
#geometric-topology
#integer-lattices
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