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15
134
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Showing that $\pi_1(X/G) \cong G$.

Published on
#topological-groups #fundamental-groups
93
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Continuity of a real function defined on an orbit space

Published on
#general-topology #group-theory #continuity #group-actions #topological-groups
213
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Fiber bundle over torus

Published on
#algebraic-topology #lie-groups #vector-bundles #topological-groups #fiber-bundles
79
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$\left\{e\right\}$ Closed Implies $T_0$ and Regular Topological Group

Published on
#general-topology #topological-groups #separation-axioms
180
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Continuity of the operation in a topological group.

Published on
#group-theory #topological-groups
96
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Constructing a solenoid to satisfy its universal property as a projective limit over circles

Published on
#number-theory #topological-groups #duality-theorems #universal-property #adeles
44
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What are the topological groups the points of which are separated by their finite-dimensional representations?

Published on
#group-theory #representation-theory #lie-groups #harmonic-analysis #topological-groups
119
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On what groups is the convolution of probabilities jointly weak*-continuous?

Published on
#measure-theory #continuity #convolution #topological-groups #weak-convergence
51
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Every quasicharacter of an open subgroup extends to a quasicharacter of the group

Published on
#general-topology #topological-groups #characters #locally-compact-groups
69
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If $H$ and $Z$ are closed subgroups generating $G$, is $H \times Z \rightarrow G$ an open map?

Published on
#general-topology #group-theory #topological-groups
35
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Mysterious arithmetic function

Published on
#group-theory #measure-theory #volume #topological-groups
398
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The unit interval can not be made into a topological group.

Published on
#general-topology #topological-groups
381
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Multiplication by group elements is an open mapping

Published on
#abstract-algebra #general-topology #topological-groups
86
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Is $O(k)\times O(n-k)$ closed in $SO(n)$?

Published on
#general-topology #topological-groups #orthogonal-matrices #homogeneous-spaces
281
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Classifying topos of a topological group

Published on
#category-theory #topological-groups #topos-theory

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