THE ACT OF AN OPERATOR AND ABSTRACT CAUCHY PROBLEMS

In this paper we will explain how we can introduce the solution of Abstract Cauchy Problem without need the initial value  and time t by use the act of an operator Vt Key words: Abstract Cauchy Problem, -Semigroup, the act of an operator

The Product of Finite Numbers of Automorphic Composition Operators on Hardy Space H2

Throughout this paper we study the properties of the composition operator.........