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## Main Question or Discussion Point

hey,

I heard about improper Lorentz transformations, but I did not really understand what they are. I just know that their determinant is -1, but what does this physically mean?

Can somebody explain this to me?

I heard about improper Lorentz transformations, but I did not really understand what they are. I just know that their determinant is -1, but what does this physically mean?

Can somebody explain this to me?