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Enlargements of almost open mappings


Authors: Robin Harte and Martin Mathieu
Journal: Proc. Amer. Math. Soc. 96 (1986), 247-248
MSC: Primary 47A05; Secondary 46A22
DOI: https://doi.org/10.1090/S0002-9939-1986-0818453-6
MathSciNet review: 818453
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Abstract: If the enlargement of a bounded linear operator has dense range, then the operator must be almost open.


References [Enhancements On Off] (What's this?)

  • [1] R. E. Harte, Almost open mappings between normed spaces, Proc. Amer. Math. Soc. 90 (1984), 243-249. MR 727242 (85b:47024)
  • [2] M. Mathieu, On approximate point spectra of elementary operators, Semesterbericht functionalanalysis Tubingen, 1985.

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Additional Information

DOI: https://doi.org/10.1090/S0002-9939-1986-0818453-6
Article copyright: © Copyright 1986 American Mathematical Society

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