대한수학회논문집 (Communications of the Korean Mathematical Society)

  • 제9권2호
  • /
  • Pages.317-325
  • /
  • 1994
  • /
  • 1225-1763(pISSN)
  • /
  • 2234-3024(eISSN)
대한수학회 (Korean Mathematical Society)
권호 표지

ON KATO`S DECOMPOSITION THEOREM

  • YONG BIN CHOI (Department of Mathematics Sung Kyun Kwan University) ;
  • YOUNG MIN HAN (Department of Mathematics Sung Kyun Kwan University) ;
  • IN SUNG HWANG (Department of Mathematics Sung Kyun Kwan University)
  • 발행 : 1994.04.01
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초록

Suppose X is a complex Banach space and write B(X) for the Banach algebra of bounded linear operators on X, X＊ for the dual space of X, and T＊$\in$ B(X＊) for the dual operator of T. For T $\in$ B(X) write a(T) = dim T$^{-1}$ (0) and $\beta$(T) = codim T(X).(omitted)

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