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Journal of Mathematical Sciences

, Volume 139, Issue 2, pp 6363–6368 | Cite as

Version of the Grothendieck theorem for subspaces of analytic functions in lattices

  • D. S. Anisimov
Article
  • 18 Downloads

Abstract

A version of Grothendieck’s inequality says that any bounded linear operator acting from a Banach lattice X to a Banach lattice Y acts from X(ℓ2) to Y (ℓ2) as well. A similar statement is proved for Hardy-type subspaces in lattices of measurable functions. Namely, let X be a Banach lattice of measurable functions on the circle, and let an operator T act from the corresponding subspace of analytic functions XA to a Banach lattice Y or, if Y is also a lattice of measurable functions on the circle, to the quotient space Y/YA. Under certain mild conditions on the lattices involved, it is proved that T induces an operator acting from XA(ℓ2) to Y (ℓ2) or to Y/YA(ℓ2), respectively. Bibliography: 7 titles.

Keywords

Measurable Function Bounded Linear Operator Banach Lattice Fatou Property Normalize Lebesgue Measure 
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References

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Copyright information

© Springer Science+Business Media, Inc. 2006

Authors and Affiliations

  • D. S. Anisimov
    • 1
  1. 1.St.Petersburg State UniversitySt.PetersburgRussia

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