How to construct examples of maps that are open or closed or continuous but not the others?
2198
Maps from subsets of $\mathbb{R}^2$ that are either open/closed/continuous
129227
An example of neither open nor closed set
83046
A linear map, continuous at zero, is bounded
37841
Product of quotient maps and quotient space that is not Hausdorff
28406
composition of certain covering maps
73559
Map preserving intervals but discontinuous
60692
Is this map to a finite dimensional topological vector space an open map?
128266
Dual Spaces and Natural maps
70645
Borel set preserved by continuous map
107148
Does there always exist a continuous/smooth map from $\mathbb{R}^n$ onto a manifold $M^n$?
92870
composition of covering maps
132926
Bidirectional Map
46788
Compact open topology on space of continuous maps from a discrete space is a product
157578
perfect map in topology
123259
Maps in Opposite Categories
108487
What basic operations on a Map are permitted while iterating over it?
89257
Give an example of a function $f:\mathbb{R}^2 \mapsto \mathbb{R}^2$ such that