Honam Mathematical Journal (호남수학학술지)

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A REMARK ON WEAKLY HYPONORMAL WEIGHTED SHIFTS

  • Kim, An Hyun (Department of Mathematics, Changwon National University) ;
  • Kwon, Eun Young (Department of Mathematics, Changwon National University)
  • Received : 2016.10.08
  • Accepted : 2017.02.27
  • Published : 2017.03.25
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Abstract

In this note we consider weakly hyponormal weighted shift. In particular, we focus on the weak 4-hyponormality of the weighted shift with the Bergman tail. This is related to the open question of finding a polynomially hyponormal non-subnormal weighted shift.

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References

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