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Local derivations of finitary incidence algebras |
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| Authors: | M Khrypchenko |
| Institution: | 1.Departamento de Matemática,Universidade Federal de Santa Catarina,Florianópolis,Brazil |
| Abstract: | Let P be a partially ordered set, R a commutative ring with identity and FI(P,R) the finitary incidence algebra of P over R. We prove that each R-linear local derivation of FI(P,R) is a derivation, which partially generalizes Theorem 3 of 21]. |
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