On Maps of Period 2 on Prime and Semiprime Rings
Bell, Howard E., Daif, M. N.
Published in International Journal of Mathematics and Mathematical Sciences (2014)
Published in International Journal of Mathematics and Mathematical Sciences (2014)
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Multiplicativity of Left Centralizers forcing additivity
De Filippis, Vincenzo, Tammam El-Sayiad, Mohammad Sayed, Daif, Mohamad Nagy
Published in Boletim da Sociedade Paranaense de Matemática (01.01.2014)
Published in Boletim da Sociedade Paranaense de Matemática (01.01.2014)
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Journal Article