$\text{rank}(A \otimes B) = \text{rank}(A) + \text{rank}(B)$

$\text{rank}(A \otimes B) = \text{rank}(A) \cdot \text{rank}(B)$

$\text{rank}(A \otimes B) = \min(\text{rank}(A), \text{rank}(B))$

$\text{rank}(A \otimes B) = \max(\text{rank}(A), \text{rank}(B))$