INVESTIGATION OF THE GENERATORS OF SEMIGROUPS ASSOCIATED WITH VOLTERRA INTEGRO-DIFFERENTIAL EQUATIONS
摘要
The properties of a linear operator, which is the generator of a semigroup generated by Volterra integro-differential equations in Hilbert spaces, are investigated. The integro-differential equations under consideration can be implemented as partial integro-differential equations arising in the theory of viscoelasticity, the theory of heat propagation in media with memory and having a number of other important applications. The results obtained in the work can be used to study the behavior and obtain estimates of solutions of Volterra integro-differential equations.