Abstract
Let F be a field, T n the group consisting of all n × n invertible upper triangular matrices over F. In this article we classify bijective maps ϕ from T n to itself satisfying ϕ[x, y] = [ϕ(x), ϕ(y)]. We show that each such map differs only slightly from an automorphism of T n .
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Wang, D., Ou, S. & Zhang, W. Bijective maps preserving commutators on a solvable classical group. Sci. China Math. 53, 1723–1730 (2010). https://doi.org/10.1007/s11425-010-3133-5
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DOI: https://doi.org/10.1007/s11425-010-3133-5