Korean Journal of Mathematics

  • 제17권2호
  • /
  • Pages.155-159
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  • 2009
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  • 1976-8605(pISSN)
  • /
  • 2288-1433(eISSN)
강원경기수학회 (The Kangwon-Kyungki Mathematical Society)
권호 표지

A STUDY ON GENERALIZED QUASI-CLASS A OPERATORS

  • Kim, Geon-Ho (Department of Industrial Management Ansan College of Technology) ;
  • Jeon, In-Ho (Department of Mathematics Education Seoul National University of Education)
  • 발행 : 20090600
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초록

In this paper, we consider the operator T satisfying $T^{*k}({\mid}T^2{\mid}-{\mid}T{\mid}^2)T^k{\geq}0$ and prove that if the operator is injective and has the real spectrum, then it is self-adjoint.

키워드

과제정보

연구 과제 주관 기관 : Ansan College of Technology

참고문헌

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