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15
278
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Is every $G_\delta $, zero-set?

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#general-topology #topological-groups
396
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What is the profinite completion of a free abelian group of infinite rank?

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#group-theory #topological-groups #profinite-groups
239
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Property of smooth functions on the adeles

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#number-theory #algebraic-number-theory #topological-groups #adeles
95
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The action of the group $\Gamma=\mathbb{Z}$ on the manifold $\mathbb{C}^n-\{0\}$

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#differential-topology #group-actions #topological-groups #quotient-spaces
30
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Showing continuity of a function defined as the integral of $\chi \mapsto \chi(x)$ over the dual group $\hat G$

Published on
#functional-analysis #continuity #harmonic-analysis #topological-groups
151
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Failure of Schur's lemma for topological group representations

Published on
#representation-theory #harmonic-analysis #topological-groups
130
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Dual of a complete topological group

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#general-topology #group-theory #topological-groups #duality-theorems
146
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Exact sequence induced by an exact sequence of groups

Published on
#algebraic-topology #topological-groups #principal-bundles
213
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The fundamental group of the quotient groups

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#algebraic-topology #topological-groups
52
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Find an isomorphism from $H=\{(s,t)\in S^1\times S^1 : s^m=t^l\}$ to $S^1\times C_n$.

Published on
#group-theory #topological-groups
388
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Group of homeomorphism of [0,1]

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#general-topology #topological-groups
141
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Not continuous function $f: \mathbb{Z} \to \mathbb{Z}$

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#general-topology #topological-groups
184
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Relation Between Nbhd Base at $e$ and the Uniform Structure on a Topological Group

Published on
#topological-groups #topological-vector-spaces #uniform-spaces
49
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Compact group acting on regular space

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#general-topology #proof-verification #group-actions #topological-groups #separation-axioms
204
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Closure of $AB$

Published on
#analysis #elementary-set-theory #topological-groups

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