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15
Math.TechQA.Club
2026-03-30 01:51:35
136
Views
What is the group presentation for the two-twist spun trefoil?
Published on
30 Mar 2026 - 1:51
#algebraic-topology
#fundamental-groups
#knot-theory
#group-presentation
63
Views
Question on image of the inclusion of $2$nd fundanental group of a space inside a relative fundamental group .
Published on
15 Mar 2022 - 15:03
#general-topology
#algebraic-topology
#homotopy-theory
#fundamental-groups
40
Views
Minimal subset of a space with the same fundamental group as the original space
Published on
16 Mar 2022 - 18:42
#algebraic-topology
#set-theory
#fundamental-groups
573
Views
What is the relationship between universal covering spaces and fundamental groups?
Published on
21 Mar 2022 - 14:37
#general-topology
#algebraic-topology
#covering-spaces
#fundamental-groups
65
Views
Is there a standard notation for the trivial loop in a fundamental group?
Published on
22 Mar 2022 - 15:26
#algebraic-topology
#notation
#fundamental-groups
290
Views
Simple Closed Curve Homotopic to Circle Around Interior Point
Published on
26 Mar 2022 - 14:26
#general-topology
#complex-analysis
#algebraic-topology
#homotopy-theory
#fundamental-groups
30
Views
Summands of a free product with amalgamation
Published on
26 Mar 2026 - 6:14
#group-theory
#algebraic-topology
#fundamental-groups
#knot-theory
#free-product
566
Views
Fundamental group of a wedge sum
Published on
29 Mar 2022 - 13:53
#algebraic-topology
#examples-counterexamples
#fundamental-groups
94
Views
What is the amalgamated free product of $\mathbb Z^2$ over $\mathbb Z$?
Published on
30 Mar 2022 - 2:24
#abstract-algebra
#group-theory
#algebraic-topology
#solution-verification
#fundamental-groups
185
Views
Fundamental group of $S^1 \times S^1 \cup (D^2 \times \{x_0\})$ for some $x_0\in S^1$.
Published on
30 Mar 2022 - 19:12
#algebraic-topology
#solution-verification
#surfaces
#fundamental-groups
85
Views
Inertia group of geometric Galois action
Published on
31 Mar 2022 - 15:17
#algebraic-geometry
#galois-theory
#fundamental-groups
172
Views
Inverse limit of affine algebraic groups
Published on
02 Apr 2022 - 7:30
#algebraic-geometry
#fundamental-groups
#algebraic-groups
153
Views
Fundamental group acts properly discontinuously on universal cover
Published on
05 Apr 2022 - 17:59
#general-topology
#manifolds
#group-actions
#fundamental-groups
76
Views
Fundamental group and cellular space
Published on
07 Apr 2022 - 21:45
#algebraic-topology
#fundamental-groups
297
Views
Fundamental group of wedge of two projective planes
Published on
03 Apr 2026 - 9:13
#algebraic-topology
#fundamental-groups
#projective-space
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