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## Main Question or Discussion Point

During my reading I met with,

(Λ

Is it correct to say that η raises and lowers the indices of Λ giving Λ

Thanks for any help.

(Λ

^{-1})^{μ}_{ν}= Λ_{ν}^{μ}≡ η_{μρ}Λ^{ρ}_{σ}η^{σν}.Is it correct to say that η raises and lowers the indices of Λ giving Λ

_{μ}^{ν}, which, in turn, will give (Λ^{-1})^{μ}_{ν}= Λ_{μ}^{ν}?Thanks for any help.