Möbius maps preserve cross-ratios
137743
Invariance of cross ratio under Möbius transformation and another problem related to cross ratio.
118987
Birational map from elliptic curve keeps smoothness?
58101
The set of points where two maps agree is closed?
70645
Borel set preserved by continuous map
144521
Why does Möbius transformation $f(z)$ map the unit disk $|z|<1$ to itself?
94058
Applying the Berry-Esseen theorem to non-identically distributed summands
45276
Continuous map on $S^2$
23372
Show that for an invertible matrix, the images of a set of vectors spanning the space also form a spanning set
91736
Explicit homeomorphism between open and closed rational intervals?
88857
Prove that Gauss map on M is surjective
62479
A isometric map in metric space is surjective?
106050
Finding a conformal map from the intersection of two disks to the unit disk.
102418
Rotations preserve cross products?
152478
Is there a homeomorphism between the $n$-dimensional cube to the $n$-dimensional simplex that doesn't create hard corners?
61122
A continuous mapping is determined by its values on a dense set
154259
Countinuity of the identity map between different topologies
34826
Bifurcation Diagram for 1D Map