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15
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Is every regular action proper?

Published on
#general-topology #reference-request #group-actions #proper-maps
162
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A topological Ehresmann's theorem

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#general-topology #fiber-bundles #proper-maps
29
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About proper functions and Fourier transforms

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#eigenvalues-eigenvectors #fourier-analysis #fourier-transform #proper-maps
80
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A necessary condition for a proper map

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#complex-analysis #analytic-functions #proper-maps
47
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Lipschitz function are proper map

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#analysis #lipschitz-functions #proper-maps
103
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Let $f:X \to Y$ be a quotient map, $X$ Hausdorff. If $f$ is a proper function, then $Y$ is Hausdorff.

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#general-topology #proper-maps
42
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Definition of proper map and compactification?

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#general-topology #compactification #proper-maps
45
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Properties of proper maps using filters

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#general-topology #filters #proper-maps
86
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Base change of proper map is proper

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#general-topology #fibre-product #proper-maps
49
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Characterisation of a proper map

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#sequences-and-series #general-topology #metric-spaces #compactness #proper-maps
185
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Do locally compact Hausdorff spaces and proper maps as morphisms form a category?

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#general-topology #category-theory #compactness #separation-axioms #proper-maps
74
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Proper in one argument implies total properness?

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#general-topology #proper-maps
66
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Preimage of compact set over fiberwise compact map

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#general-topology #continuity #compactness #proper-maps
90
Views

If a submanifold is homeomorphic to the ambient manifold but is a proper subset, then the inclusion map can't be proper

Published on
#algebraic-topology #manifolds #differential-topology #smooth-manifolds #proper-maps
160
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If a function is $\mathcal{C}^1$ and has invertible jacobian matrix at every point, then the function is proper.

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#analysis #proper-maps

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