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SEQUENCE SPACES OF OPERATORS ON l_2

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In this paper, we define some new sequence spaces of infinite matrices regarded as operators on l_2 by using algebraic properties of such the matrices under the Schur product multiplication. Some of their basic properties as well as duality and preduality are discussed.

Abstract

In this paper, we define some new sequence spaces of infinite matrices regarded as operators on l_2 by using algebraic properties of such the matrices under the Schur product multiplication. Some of their basic properties as well as duality and preduality are discussed.

참고문헌 (6)

  1. G. Bennett, "Schur multipliers", Duke Math. J, 44(3), pp.603~639 (1977)
  2. P. Chaisuriya, "Absolute Schur algebras and unbounded matrices", SIAM J. Matrix Anal. Appl, 20(3), pp.596~605 (1999)
  3. I. E. Leonard, "Banach sequence spaces", J. Math. Anal. Appl, 54(1), pp.245~265 (1976)
  4. L. Livshits, "Banach space duality of absolute Schur algebras", Integral Equations Operator Theory, 41(3), pp.343~359 (2001)
  5. S.-C. Ong, "On the Schur multiplier norm of matrices", Linear Algebra Appl, 56, pp.45~55 (1984)
  6. J. Schur, "Bemerkungen Theorie der beschranken Bilinearformen mit unendlich vielen Verander lichen", J. Reine Angew. Math, 140, pp.1~28 (1911)

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