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New posts in closed-map
$f:[0,2\pi]\rightarrow$ {$(x,y):x^2+y^2=1$} by $f(\theta)=(\cos\theta,\sin\theta)$ is a closed map
continuity
quotient-spaces
closed-map
$X$ normal $f:X \longrightarrow Y$ continuous, surjective, closed $\Longrightarrow$ $Y$ normal
general-topology
separation-axioms
closed-map
Open surjective continuous functions being closed.
general-topology
solution-verification
fake-proofs
open-map
closed-map
A continuous function such that the inverse image of a bounded set is bounded
real-analysis
continuity
compactness
closed-map
Continuous function from a compact space to a Hausdorff space is a closed function
general-topology
compactness
closed-map
Showing that the space is normal.(exercise) [duplicate]
general-topology
separation-axioms
closed-map
Are compact spaces characterized by "closed maps to Hausdorff spaces"?
general-topology
compactness
examples-counterexamples
closed-map
When is the image of a proper map closed?
general-topology
continuity
compactness
closed-map
Image of a normal space under a closed and continuous map is normal
general-topology
separation-axioms
closed-map
Finite Product of Closed Maps Need Not Be Closed
general-topology
examples-counterexamples
product-space
closed-map
Show that a proper continuous map from $X$ to locally compact $Y$ is closed
general-topology
compactness
closed-map
An example of a non closed linear map.
functional-analysis
normed-spaces
closed-map
Projection map being a closed map
general-topology
compactness
product-space
closed-map
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