


Paper's Title:
Additive Mappings on Semiprime Rings Functioning as Centralizers
Author(s):
Abu Zaid Ansari and Faiza Shujat
Department of Mathematics,
Faculty of Science,
Islamic University of Madinah, Madinah
K.S.A.
Email: ansari.abuzaid@gmail.com,
ansari.abuzaid@iu.edu.sa
Department of Mathematics,
Faculty of Science,
Taibah University, Madinah,
K.S.A.
Email: faiza.shujat@gmail.com,
fullahkhan@taibahu.edu.sa
Abstract:
The objective of this research is to prove that an additive mapping T:R → R is a centralizer on R if it satisfies any one of the following identities:
for all x ∈ R, where n ≥ 1 is a fixed integer and R is any suitably torsion free semiprime ring. Some results on involution "*" are also presented as consequences of the main theorems. In addition, we will take criticism in account with examples.
Paper's Title:
On Automorphisms and Biderivations of Semiprime Rings
Author(s):
Abu Zaid Ansari, Faiza Shujat, Ahlam Fallatah
Department of Mathematics,
Faculty of Science,
Islamic University of Madinah, Madinah
K.S.A.
Email: ansari.abuzaid@gmail.com,
ansari.abuzaid@iu.edu.sa
Department of Mathematics
Faculty of Science
Taibah University, Madinah,
K.S.A.
Email: faiza.shujat@gmail.com,
fullahkhan@taibahu.edu.sa
Department of Mathematics
Faculty of Science
Taibah University, Madinah,
K.S.A.
Email: Afallatah@taibahu.edu.sa
Abstract:
In this article, our goal is to figure out a functional equation involving automorphisms and biderivations on certain semiprime ring. Also, we characterize the structure of automorphism, in case of prime rings.
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