Title:
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Generalized derivations on Lie ideals in prime rings (English) |
Author:
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Dhara, Basudeb |
Author:
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Kar, Sukhendu |
Author:
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Mondal, Sachhidananda |
Language:
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English |
Journal:
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Czechoslovak Mathematical Journal |
ISSN:
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0011-4642 (print) |
ISSN:
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1572-9141 (online) |
Volume:
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65 |
Issue:
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1 |
Year:
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2015 |
Pages:
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179-190 |
Summary lang:
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English |
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Category:
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math |
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Summary:
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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:
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prime ring |
Keyword:
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derivation |
Keyword:
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generalized derivation |
Keyword:
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extended centroid |
Keyword:
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Utumi quotient ring |
Keyword:
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Lie ideal |
Keyword:
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Banach algebra |
MSC:
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16N60 |
MSC:
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16W25 |
MSC:
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16W80 |
idZBL:
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Zbl 06433728 |
idMR:
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MR3336032 |
DOI:
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10.1007/s10587-015-0167-4 |
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Date available:
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2015-04-01T12:32:31Z |
Last updated:
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2020-07-03 |
Stable URL:
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http://hdl.handle.net/10338.dmlcz/144220 |
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Reference:
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