H. Mahyar

Department of Mathematics‎, ‎Faculty of Mathematical Sciences and‎ ‎Computer‎, ‎Kharazmi University‎, ‎50‎, ‎Taleghani Ave.‎, ‎15618‎, ‎Tehran‎, Iran.

[ 1 ] - Linear operators of Banach spaces with range in Lipschitz algebras

In this paper, a complete description concerning linear operators of Banach spaces with range in Lipschitz algebras $lip_al(X)$ is provided. Necessary and sufficient conditions are established to ensure boundedness and (weak) compactness of these operators. Finally, a lower bound for the essential norm of such operators is obtained.

[ 2 ] - Essential norm of generalized composition operators from weighted Dirichlet or Bloch type spaces to Q_K type spaces

In this paper we obtain lower and upper estimates for the essential norms of generalized composition operators from weighted Dirichlet spaces or Bloch type spaces to $Q_K$ type spaces.

Co-Authors