Estimates of norms of contractive normaloid operators

  • N. B. Okelo School of Mathematics and Actuarial Science, Jaramogi Oginga Odinga University of Science and Technology, P. O. Box 210-40601, Bondo
  • Priscah Mogotu Omoke Department of Mathematics, KISII University, BOX 408-40200, KISII
Keywords: Normaloid operators, Contractive operators, inner product, Schwarz inequality and numerical radius

Abstract

In this paper we establish the upper and lower norm estimates of contractive normaloid operators using inner product, Schwarz inequality for non-negative real numbers and some operator inequalities.

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References

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Published
2015-11-25
How to Cite
Okelo, N., & Omoke, P. (2015). Estimates of norms of contractive normaloid operators. Journal of Advanced Mathematics, 2(3), 26-28. Retrieved from https://asdpub.com/index.php/jam/article/view/76
Section
Original Articles

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