Does a map from a compact space to a filtered colimit factor through at a finite stage?
73154
Compact subset in colimit of spaces
149248
Pushforward of inverse map at the identity?
127795
$L^1(μ)$ is finite dimensional if it is reflexive
117897
A homomorphism induces a continuous map from ${\rm Spec}(A') \to {\rm Spec}(A)$.
118045
Is the Baire space $\sigma$-compact?
60692
Is this map to a finite dimensional topological vector space an open map?
84492
Can $X$ have compact connected components?
107772
Separability of functions with compact support
50649
On the existence of a continuous bijection $f\colon [0,1]\to [0,1]\times [0,1]$
27058
Construction of Ultrafilters
80180
Discrete and compact subset must be finite
55374
Cover of (0,1) with no finite subcover & Open sets of compact function spaces
15095
continuous onto map from $(0,1)\to (0,1]$
65472
From injective map to continuous map
148187
Question regarding one-point compactification and homeomorphisms
116663
If f is a continuous map from X to Y with X limit point compact, does it follow that f(X) is limit point compact?
123891
There are finitely many maps on nonnegative integers satisfying $\phi(ab)=\phi(a)+\phi(b)$