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15
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Why is $\mathbb R^n$ under the Zariski topology not a topological group?

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#general-topology #algebraic-geometry #topological-groups
707
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Subgroup Separability translated in Profinite Topology

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#general-topology #group-theory #algebraic-topology #topological-groups
957
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Different profinite topologies on a group?

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#general-topology #group-theory #algebraic-topology #topological-groups
820
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Is $G$ a lie group if left multiplication is smooth and multiplication is smooth near $e$?

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#differential-geometry #manifolds #lie-groups #topological-groups
82
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Familiarizing with the Grothendieck topos $\mathbf{B}G$.

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#reference-request #category-theory #topological-groups #topos-theory
84
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extension of group operation from $\mathbb{Q}$ to $\mathbb{R}$

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#group-theory #model-theory #topological-groups
100
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Is there a local group that is not locally isomorphic to a topological group?

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#lie-groups #topological-groups
428
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equation involving the integral of the modular function of a topological group

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#analysis #lie-groups #topological-groups #harmonic-analysis
186
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Neighborhood in topological groups

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#general-topology #topological-groups
983
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Is a regular Borel measure on a locally compact space necessarily $\sigma$-finite?

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#measure-theory #topological-groups #locally-compact-groups
1k
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Discrete subgroups of isometry group $\mathbb{R}^n$

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#general-topology #topological-groups #symmetric-groups
617
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What's so cool about local compactness?

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#general-topology #soft-question #algebraic-number-theory #examples-counterexamples #topological-groups
156
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Analytic/Smooth/Continuous maps between a manifold and itself

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#reference-request #differential-geometry #manifolds #lie-groups #topological-groups
338
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Is every regular paratopological group completely regular?

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#general-topology #reference-request #topological-groups
306
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Book/article recommendations for an introduction to hypergroups and subsequent research

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#general-topology #reference-request #book-recommendation #topological-groups

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