On Norm‐Attainable Operators in Banach Spaces

NB Okelo - Journal of function Spaces, 2020 - Wiley Online Library
Norm‐attainable operators have been studied over a period of time with nice results
obtained particularly in Hilbert spaces. In this work, we consider the Banach space setting by …

-Supraposinormality of Operators in Dense Norm-Attainable Classes

B Okelo - Universal Journal of Mathematics and Applications, 2019 - dergipark.org.tr
α-Supraposinormality of Operators in Dense Norm-Attainable Classes Page 1 Universal Journal
of Mathematics and Applications, 2 (1) (2019) 42-43 Research paper Universal Journal of …

[PDF][PDF] On orthogonal polynomials and normattainable operators in hilbert spaces

E Mogoi, B Okelo, O Ongati, W Kangogo - Int. J. Open Problems Compt …, 2023 - ijopcm.org
In this paper, we explore the intricate connection between orthogonal polynomials and norm
attainable operators within a Hilbert space. We give examples of this relationship by …

Characterization of absolutely norm attaining compact hyponormal operators

B Okelo - Proceedings of International Mathematical Sciences, 2019 - dergipark.org.tr
In this paper, we characterize absolute norm-attainability for compact hyponormal operators.
We give necessary and sufficient conditions for a bounded linear compact hyponormal …

Norm-Attainable Operators and Polynomials: Theory, Characterization, and Applications in Optimization and Functional Analysis

MN Evans, IO Okwany - Asian Research Journal of …, 2023 - publications.article4sub.com
This research paper offers a comprehensive investigation into the concept of norm-
attainability in Banach and Hilbert spaces. It establishes that norm-attainable operators exist …

[PDF][PDF] Fixed Points Approximation for Non Expansive Operators in Hilbert Spaces

NB Okelo - 2021 - emis.de
Approximations of fixed points have been done in different space and classes. However,
characterizations in normattainable classes remains interesting. This paper discusses …

[PDF][PDF] Norm estimates for norm-attainable elementary operators

JN Kinyanjui, NB Okelo, O Ongati… - International Journal of …, 2018 - academia.edu
Norm Estimates for Norm-Attainable Elementary Operators 1 Introduction Page 1 International
Journal of Mathematical Analysis Vol. 12, 2018, no. 3, 137 - 144 HIKARI Ltd, www.m-hikari.com …

A Note on the Chebyshev Set Problem in Normed Linear Spaces

S Owiti, B Okelo, J Owino - arXiv preprint arXiv:2302.03000, 2023 - arxiv.org
Best approximation (BA) is an interesting field in functional analysis that has attracted a lot of
attention from many researchers for a very long period of time up-to-date. Of greatest …

[PDF][PDF] Maximal Chain Properties for Mappings in Bitopological Spaces

B Okelo - Int. J. Open Problems Compt. Math, 2022 - ijopcm.org
The fundamental mathematical problem that remains unsolved is the generalization of
maximality chain conditions for chains of homomorphisms in topological spaces. We give …

Various notions of norm-attainability in normed spaces

B Okelo - arXiv preprint arXiv:2004.05496, 2020 - arxiv.org
Let $ H $ be a reflexive, dense, separable, infinite dimensional complex Hilbert space and
let $ B (H) $ be the algebra of all bounded linear operators on $ H $. In this paper, we carry …