Let $A \in \mathbb{C}^{N \times N}$ be a D999: Complex matrix.
Then the following statements are equivalent
| (1) | \begin{equation} \text{det}(A) \neq 0 \end{equation} |
| (2) | \begin{equation} \text{Ker}(A) = \left\{ (0, 0, \ldots, 0)^T \right\} \end{equation} |
