| Title: | Generalized derivations on Lie ideals in prime rings (English) | 
| Author: | Dhara, Basudeb | 
| Author: | Kar, Sukhendu | 
| Author: | Mondal, Sachhidananda | 
| Language: | English | 
| Journal: | Czechoslovak Mathematical Journal | 
| ISSN: | 0011-4642 (print) | 
| ISSN: | 1572-9141 (online) | 
| Volume: | 65 | 
| Issue: | 1 | 
| Year: | 2015 | 
| Pages: | 179-190 | 
| Summary lang: | English | 
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| Category: | math | 
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| Summary: | Let $R$ be a prime ring with its Utumi ring of quotients $U$ and extended centroid $C$. Suppose that $F$ is a generalized derivation of $R$ and $L$ is a noncentral Lie ideal of $R$ such that $F(u)[F(u),u]^n=0$ for all $u \in L$, where $n\geq 1$ is a fixed integer. Then one of the following holds: \begin {itemize} \item [(1)] there exists $\lambda \in C$ such that $F(x)=\lambda x$ for all $x\in R$; \item [(2)] $R$ satisfies $s_4$ and $F(x)=ax+xb$ for all $x\in R$, with $a, b\in U$ and $a-b\in C$; \item [(3)] $\mathop {\rm char}(R)=2$ and $R$ satisfies $s_4$. \end {itemize} As an application we also obtain some range inclusion results of continuous generalized derivations on Banach algebras. (English) | 
| Keyword: | prime ring | 
| Keyword: | derivation | 
| Keyword: | generalized derivation | 
| Keyword: | extended centroid | 
| Keyword: | Utumi quotient ring | 
| Keyword: | Lie ideal | 
| Keyword: | Banach algebra | 
| MSC: | 16N60 | 
| MSC: | 16W25 | 
| MSC: | 16W80 | 
| idZBL: | Zbl 06433728 | 
| idMR: | MR3336032 | 
| DOI: | 10.1007/s10587-015-0167-4 | 
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| Date available: | 2015-04-01T12:32:31Z | 
| Last updated: | 2020-07-03 | 
| Stable URL: | http://hdl.handle.net/10338.dmlcz/144220 | 
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