• ABDOLLAHI, ABDOLAZIZ (Department of Mathematics College of Sciences Shiraz University) ;
  • HEYDARI, MOHAMMAD TAGHI (Department of Mathematics College of Sciences Yasouj University)
  • Received : 2014.11.07
  • Published : 2015.06.30


A sequence of composition operators on Hardy space is considered. We prove that, by numerical range properties, it is SOT-convergence but not converge.


numerical range;composition operator;Hardy space


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