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ergospherical

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- Thread starter ergospherical
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ergospherical

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Useful fact:

The eigenvalues of a real antisymmetric matrix are imaginary. (So, maybe compute the eigenvalues of its square.)

The eigenvalues of a real symmetric matrix are real.

Related: https://www.physicsforums.com/threads/em-tensor-invariants.676181/post-4295385

Possibly useful: https://en.wikipedia.org/wiki/Classification_of_electromagnetic_fields

The eigenvalues of a real antisymmetric matrix are imaginary. (So, maybe compute the eigenvalues of its square.)

The eigenvalues of a real symmetric matrix are real.

Related: https://www.physicsforums.com/threads/em-tensor-invariants.676181/post-4295385

Possibly useful: https://en.wikipedia.org/wiki/Classification_of_electromagnetic_fields

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ergospherical

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Useful, thanks.

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