Department of Mathematics;
Hubei Institute for Nationalities;
Enshi;
Hubei;
445000;
Department of Mathematics;
Hubei Institute for Nationalities;
Enshi;
Hubei;
445000n this paper;
we introduce the concept of T-local derivations and obtain the main result: each T-local derivation of a von Neumann algebra A into a dual A-bimodule M is a T-derivation;
where T is an endomorphism of A to A.;