대한수학회보 (Bulletin of the Korean Mathematical Society)

  • 제33권3호
  • /
  • Pages.427-434
  • /
  • 1996
  • /
  • 1015-8634(pISSN)
  • /
  • 2234-3016(eISSN)
대한수학회 (Korean Mathematical Society)
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Spectra and numberical ranges

  • Yang, Youngoh (Department of Mathematics, Cheju National University)
  • 발행 : 1996.08.01
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초록

The theory of numerical ranges in unital normed algebras has extensively studied by many authors, for examples, see [1], [2] for details.

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