Show that A is diagonalizable over $\mathbb{C}$
64747
If $A^m=I$ then A is Diagonalizable
26801
Show that orthogonal matrices are diagonalizable
105666
What's an easy way to show that $GL(n,\mathbb C)$ is connected?
31173
How to show $(a^b)^c=a^{bc}$ for arbitrary cardinal numbers?
130799
Matrix of rank 1; show that $A^2=cA$ for some scalar $c$.
102972
Cardinality of $\mathbb{R}^\mathbb{R}$ by diagonal argument
127198
What is $\mathbb{C}^{Aut(\mathbb{C}/\mathbb{Q})}$?
58339
The diagonalizable matrices are not dense in the square real matrices
93606
Showing that $C[0,1]$ is not complete
145039
Algebraic independence over $\overline{\mathbb Q}$ and over $\mathbb Q$
76148
Show that $\exists c \in \mathbb{R} : f(c) = 0$
59995
Isomorphism between $\mathbb{C}^* $ under multiplication with $\mathbb{C}$ under addition.
123726
$2\times 2 $ matrices over $\mathbb{C}$ that satisfy $\mathrm A^3=\mathrm A$
108156
Algebraic closure of $\mathbb{C}(x)$ is isomorphic to $\mathbb{C}$
80751
diagonalisability of matrix few properties
18145
Diagonalizable matrices with complex values are dense in set of $n\times n$ complex matrices.
55488
Proving that $\operatorname{codim}(X,Y)=\dim(\mathcal{O}_{X,\eta})$