Difference between $\mathbb C$ and $\mathbb R^2$
48598
What's the difference between $\mathbb{R}^2$ and the complex plane?
86741
Relation between different definitions of degree in complex geometry
2458
Multiplicative group $(\mathbb R^*, ×)$ is group but $(\mathbb R, ×)$ is not group, why?
84148
Why is $\mathbb{R}^2$ not a subspace of $\mathbb{R}^3$?
66272
Is there a common notion of $\mathbb{R}^n$, for non-integer $n$?
71767
What is the difference between $\Bbb{R^n}\times\Bbb{R^m}$ and $\Bbb{R^{m+n}}$?
69166
Cardinality of $\mathbb{R}$ and $\mathbb{R}^2$
27188
Bijection between $\mathbb{R}$ and $\mathbb{R}/\mathbb{Q}$
16517
Arcwise connected part of $\mathbb R^2$
35305
Why is $\mathbb{R}^2$ not a subset and /or a subspace of $\mathbb{R}^3$?
18334
Equivalence between CH and existence of certain sets in $\mathbb{R}^2$
147047
Does there exist a polynomial $p(x) \in \mathbb C[x]$ such that $p(x) \notin \mathbb R[x]$ and $p(x)p(-x)=p(x^2)$?
6101
Are $\mathbb{C} \otimes _\mathbb{R} \mathbb{C}$ and $\mathbb{C} \otimes _\mathbb{C} \mathbb{C}$ isomorphic as $\mathbb{R}$-vector spaces?
62755
The simplest way of proving that $|\mathcal{P}(\mathbb{N})| = |\mathbb{R}| = c$
46365
Single variable complex analysis vs the world of the functions $f:\Bbb R^2 \to \Bbb R^2$.
128917
Inner Product on $\mathbb{R}$ and on $\mathbb{C}$
5250
Are $T\mathbb{S}^2$ and $\mathbb{S}^2 \times \mathbb{R}^2$ different?