数学季刊 ›› 2023, Vol. 38 ›› Issue (2): 134-144.doi: 10.13371/j.cnki.chin.q.j.m.2023.02.003
摘要: Let R be a prime ring of characteristic different from two with the sec-
ond involution ∗ and α an automorphism of R . An additive mapping F of R is called
a generalized ( α,α )-derivation on R if there exists an ( α,α )-derivation d of R such
that F ( xy )= F ( x ) α ( y )+ α ( x ) d ( y ) holds for all x,y∈R. The paper deals with the s-
tudy of some commutativity criteria for prime rings with involution. Precisely, we
describe the structure of R admitting a generalized ( α,α )-derivation F satisfying any
one of the following properties: ( i ) F ( xx∗) −α ( xx∗) ∈Z ( R ). ( ii ) F ( xx∗ )+ α ( xx∗ ) ∈
Z ( R ). ( iii ) F ( x ) F ( xx∗) −α ( xx∗) ∈Z ( R ). ( iv ) F ( x ) F (x∗)+ α ( xx∗) ∈Z ( R ). ( v ) F ( xx∗) −
F ( x ) F (x∗ ) ∈Z ( R ). ( vi ) F ( xx∗) −F (x∗) F ( x )=0 for all x∈R . Also, some examples are
given to demonstrate that the restriction of the various results is not superfluous. In fact,
our results unify and extend several well known theorems in literature.
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