Complex plane and $\mathbb{R}^2$.
48598
What's the difference between $\mathbb{R}^2$ and the complex plane?
67460
Orientation on $\mathbb{CP}^2$
23801
A reflection question about a complex function
58448
Complex:Schwarz lemma
61307
Consider the surface $S$ in $\mathbb{R}^ 3$ given by the graph of $f(x, y) = xy^2 − 2y^2 + e^x $.
157296
Homeomorphism between the Unit Disc and Complex Plane
157200
Roots of a equation on a complex plane
10350
Automorphisms of the complex plane
16517
Arcwise connected part of $\mathbb R^2$
25854
$\mathbb{R}^3$ \ $\mathbb{Q}^3$ is union of disjoint lines. The lines are not in an axis diretion.
143831
Showing $\mathbb{Q}$ is homeomorphic to $\mathbb{Q}^2$
132063
locally on $S$ one of the coordinates is a $C^∞$ function of the other coordinate. Show that $S$ is a submanifold of $R^2$
77576
Using the triangle inequalities to prove a bound in the complex plane
84389
Topologist's Sine Curve not a regular submanifold of $\mathbb{R^2}$?
6323
existence of complex structure in dimension 2
70303
Parametric form of a plane
2575
Showing that $\mathbb{R}$ is connected