sudgylacmoe | When is the outer product of a multivector with itself zero? @sudgylacmoe | Uploaded November 2023 | Updated October 2024, 4 hours ago.
When is the outer product of a multivector with itself zero? In this short I show that there are many examples where this is not true, and that (as far as I know) there is no easy characterization of the multivectors for which this is true.

You can look at this document to find more counterexamples in geometric algebra: drive.google.com/file/d/1BMnv9aZlDcsh4AnivVt7ZIGqmdTcp8tn/view

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