NONLINEAR DERIVATIONS OF INCIDENCE ALGEBRAS

被引:3
|
作者
Yang, Y. [1 ]
机构
[1] Southwest Univ, Sch Math & Stat, Chongqing 400715, Peoples R China
关键词
derivation; nonlinear derivation; incidence algebra; LIE-TYPE DERIVATIONS; MAPS; PRIME;
D O I
10.1007/s10474-019-01016-2
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Let (X, <=) be a locally finite preordered set andRa 2-torsion free commutative ring with unity,I(X, R) the incidence algebra ofXoverR. We prove that each nonlinear derivation ofI(X, R) is a sum of an inner derivation, a transitive induced derivation and an additive induced derivation. In particular, every nonlinear derivation ofI(X, R) is automatically additive.
引用
收藏
页码:52 / 61
页数:10
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