If $A\otimes B$ where $\otimes$ is the Kronecker product, is invertible, then $A$ and $B$ are not necessarily invertible. I need an example
2026-03-26 12:33:58.1774528438
Example about Kronecker product and inverse properties
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https://en.wikipedia.org/wiki/Kronecker_product
See properties 4. $A\otimes B$ is invertible if and only if $A$ and $B$ are invertible.