
doi: 10.1515/ms-2015-0173
AbstractLetϕbe an injective, continuous, Lie product preserving map onMn(ℝ),n> 3. In the paper we show that then there exist an invertible matrixT∈Mn(ℝ) and a continuous functionψ:Mn(ℝ)→ ℝ, whereψ(A) = 0 for all matrices of trace zero, such that eitherϕ(A) =TAT−1+ψ(A)Ifor allA∈Mn(ℝ), orϕ(A) = −TAtT−1+ψ(A)Ifor allA∈Mn(ℝ). We determine that a similar proposition holds true for the setMn(ℂ),n> 3.
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