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Math.TechQA.Club
2026-03-25 15:39:45
261
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Reference Requiest: Representation Theory of Diffeomorphism Groups
Published on
25 Mar 2026 - 15:39
#differential-geometry
#reference-request
#lie-groups
#topological-groups
#diffeomorphism
152
Views
Weakest topology that makes the interval $(a,b]$ open
Published on
25 Mar 2026 - 23:37
#general-topology
#group-theory
#topological-groups
#weak-topology
706
Views
The Pontryagin dual of a compact abelian group is discrete
Published on
25 Mar 2026 - 23:39
#fourier-analysis
#topological-groups
#locally-compact-groups
973
Views
The Pontryagin dual of a discrete abelian group is compact
Published on
27 Apr 2020 - 18:34
#fourier-analysis
#harmonic-analysis
#topological-groups
47
Views
Common open neighborhood as preimage of open neighborhood under continuous group action
Published on
28 Apr 2020 - 22:27
#general-topology
#group-theory
#compactness
#group-actions
#topological-groups
1.6k
Views
Give an example of a contractible space X which has no deformation retraction to any point of X
Published on
28 Apr 2020 - 23:12
#abstract-algebra
#general-topology
#algebraic-topology
#homotopy-theory
#topological-groups
18
Views
Denseness along integer action versus denseness along polynomial action
Published on
29 Apr 2020 - 7:35
#metric-spaces
#dynamical-systems
#group-actions
#topological-groups
292
Views
Proving a map in a commutative diagram is continuous.
Published on
30 Apr 2020 - 12:06
#general-topology
#topological-groups
#quotient-spaces
214
Views
Continuous action of a connected topological group on a discrete space is trivial
Published on
30 Apr 2020 - 14:14
#general-topology
#group-actions
#topological-groups
32
Views
Topology on integers without open ideals
Published on
01 May 2020 - 15:50
#topological-groups
135
Views
Constructing homotopy between maps
Published on
01 May 2020 - 23:16
#general-topology
#homotopy-theory
#topological-groups
#fundamental-groups
27
Views
Topological group mod out by a finite group and compactness
Published on
02 May 2020 - 21:06
#general-topology
#topological-groups
103
Views
are upper right triangular matrices a locally compact group?
Published on
25 Mar 2026 - 20:41
#general-topology
#matrices
#topological-groups
#locally-compact-groups
24
Views
Proof of set closer and more
Published on
04 May 2020 - 10:07
#general-topology
#topological-groups
110
Views
Group with Property (T) is Compactly Generated
Published on
04 May 2020 - 13:45
#group-theory
#functional-analysis
#topological-groups
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