Bulletin of the Iranian Mathematical Society

Bulletin of the Iranian Mathematical Society

Essential norm of generalized composition operators from weighted Dirichlet or Bloch type spaces to Q_K type spaces

Document Type : Research Paper

Authors
Sh. Rezaei 1
H. Mahyar 2
1 Islamic Azad University, Iran
2 Tarbiat Moallem University, Iran
Abstract
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.
Keywords
Bloch type space
weighted Dirichlet space
$Q_K$ type space
generalized composition operator
essential norm

Subjects

  • Receive Date 14 April 2011
  • Revise Date 13 September 2011
  • Accept Date 13 September 2011