Academic Editor: Youssef EL FOUTAYENI
Received |
Accepted |
Published |
05 January 2020 |
20 January 2020 |
10 March 2020 |
Abstract: In the present paper, we extend the strong (uniform) Kreiss resolvent condition to a direct sum, and we show that if an operator on a Banach space satisfies the strong (uniform) Kreiss resolvent condition then so does the fractional powers of this operator.