“…He described automorphisms, derivations, commuting mappings and Lie derivations of triangular algebras in [4,5,6]. Benkovič [1] studied biderivations of triangular algebras and showed that under certain conditions every biderivation on a triangular algebra is the sum of an extremal biderivation and an inner biderivation. Zhang and Yu [16] proved that any Jordan derivation on a triangular algebra is a derivation.…”
Abstract. In this paper, we show that under certain conditions every Lie higher derivation and Lie triple derivation on a triangular algebra are proper, respectively. The main results are then applied to (block) upper triangular matrix algebras and nest algebras.
“…He described automorphisms, derivations, commuting mappings and Lie derivations of triangular algebras in [4,5,6]. Benkovič [1] studied biderivations of triangular algebras and showed that under certain conditions every biderivation on a triangular algebra is the sum of an extremal biderivation and an inner biderivation. Zhang and Yu [16] proved that any Jordan derivation on a triangular algebra is a derivation.…”
Abstract. In this paper, we show that under certain conditions every Lie higher derivation and Lie triple derivation on a triangular algebra are proper, respectively. The main results are then applied to (block) upper triangular matrix algebras and nest algebras.
Abstract. In this paper, we prove that a biderivation of a finite dimensional complex simple Lie algebra without the restriction of skewsymmetric is inner. As an application, the biderivation of a general linear Lie algebra is presented. In particular, we find a class of a non-inner and non-skewsymmetric biderivations. Furthermore, we also get the forms of linear commuting maps on the finite dimensional complex simple Lie algebra or general linear Lie algebra.
“…Benkovič and Eremita [2] studied commuting traces of bilinear maps and Lie isomorphisms of triangular algebras. Benkovič [3] investigated biderivations of triangular algebras. Wong [19] treated Jordan isomorphisms of triangular algebras, while Zhang and Yu [20,21] studied Jordan derivations and nonlinear Lie derivations.…”
Abstract:In this paper we prove that every bijection preserving Lie products from a triangular algebra onto a normal triangular algebra is additive modulo centre. As an application, we described the form of bijections preserving Lie products on nest algebras and block upper triangular matrix algebras.
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