An improved exponential decay result for some semilinear integrodifferential equations

S. Mazouzi and N.-E. Tatar

Address.
Departement de Mathematiques, Universite Badji Mokhtar,
BP 12, Annaba, 23000,  Algeria.

King Fahd University of Petroleum and Minerals,
Department of Mathematical Sciences,
31261 Dhahran, Saudi Arabia.

E-mail: tatarn@yahoo.com

Abstract.
We prove exponential decay for the solution of an abstract integrodifferential equation.
This equation involves coefficients of polynomial type, weakly singular kernels as well
as different powers of the unknown in some norms.

AMSclassification. 35R10.

Keywords. Semigroup, fractional operator, weakly singular kernels, exponential decay.