ABSTRACT
Let R be a prime algebra of characteristic not 2, and let δ be a q-skew σ-derivation of R. We show that if δ2n = 0 and q n ≠ −1, then δ2n−1 = 0.
ACKNOWLEDGMENTS
The authors are thankful to the referee for her/his useful suggestions and comments. This research was supported by the National Science Council of Taiwan.
Notes
Communicated by R. Wisbauer.