Bulletin of the Korean Mathematical Society (대한수학회보)

Korean Mathematical Society (대한수학회)
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Spectra and numberical ranges

  • Yang, Youngoh (Department of Mathematics, Cheju National University)
  • Published : 1996.08.01
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Abstract

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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