摘要
Let F be a field with charF ≠ 2 and |F| 〉 9, and let B2n(F) be the standard Borel subgroup of the unitary group U2n(F) over F. For n ≥ 3, we obtain a complete description of all bijective maps preserving commutators on B2n (F).
Let F be a field with charF ≠ 2 and |F| 〉 9, and let B2n(F) be the standard Borel subgroup of the unitary group U2n(F) over F. For n ≥ 3, we obtain a complete description of all bijective maps preserving commutators on B2n (F).