THE REDUCED MINIMUM MODULUS OF 2$\times$2 UPPER TRIANGULAR OPERATION MATRICES

  • Lee, Hong-Youl (Department of Mathematics Education, Woosuk University)
  • Published : 2000.11.01

Abstract

Equations. See Full-text

References

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  2. Proc. Amer. Math. Soc. v.121 Perturbation of spectrums of 2×2 operator matrices H. K. Du;P. Jin
  3. Unbonunded Linear Operators S. Goldberg
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  5. Invertibility and Singularity for Bounded Linear Operators R. E. Harte
  6. Int. Eq. Op. Th. v.22 Norm inequalities of positive operator matrices J. C. Hou;H. K. Du
  7. Perturbation theory for linear operators T. Kato