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ESSENTIAL NORMS OF LINEAR COMBINATIONS OF COMPOSITION OPERATORS ON h

  • Izuchi, Kei Ji (Department of Mathematics Niigata University) ;
  • Izuchi, Kou Hei (Department of Mathematics Faculty of Education Yamaguchi University)
  • Received : 2012.01.17
  • Published : 2013.01.01

Abstract

It is studied the linear combinations of composition operators on the Banach space of bounded harmonic functions on the open unit disk. We determine the essential norm of them.

Keywords

Acknowledgement

Supported by : Japan Society for the Promotion of Science

References

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