Now showing items 13-29 of 29

    • Need to make people believe science-science is reliable and means truth 

      Wangui, Patrick (Open Journal of Social Science,, 2019)
      Science is the engine that drives the wheel of development. Consequently, there is a need for people to have faith in science and believe its facts and truths. This paper has looked into ...
    • On almost similarity results on partial isometrics, 𝛉- operators and posinormal operators 

      Kiprop, Sammy Karani; King'ang'i, Denis Njue; Mutekhele, Jairus (International Journal of Statistics and Applied Mathematics, 2021-06)
      It is pre-eminent that equality of spectra is realized when the two given operators are unitarily equivalent or similar but not when they are almost similar. Also, projections which are 𝛼-almost similar, demonstrate ...
    • ON CLASSIFICATION OF PERMUTATIONS 

      Nyabate, Fancy; King’ang’i, Denis N.; Musundi, Sammy W. (Asia Pac Journal, 2020-03)
      Some researchers in combinatorics have developed permutation algorithms using different approaches. We contribute to this area by developing a formula for generating permutations whereby, starting with an identity ...
    • On Norm of Elementary Operator of Length Two 

      King’ang’i, Denis Njue (International Journal of Scientific and Innovative Mathematical Research (IJSIMR), 2017-06)
      Norms of elementary operators have been studied by many mathematicians. Varied results have been gotten using different approaches. In this paper we use maximal numerical range to express the norm of an elementary operator ...
    • On Norm of Elementary Operator: An Application of Stampfli’s Maximal Numerical Range 

      Kingangi, Denis Njue (Pure and Applied Mathematics Journal, 2018-03)
      Many researchers in operator theory have attempted to determine the relationship between the norm of an elementary operator of finite length and the norms of its coefficient operators. Various results have been obtained ...
    • ON THE NORM OF AN ELEMENTARY OPERATOR OF FINITE LENGTH IN A 𝑪∗ALGEBRA 

      Kawira, Esther; King'ang'i, Dennis, N.; Musundi, Sammy, W. (Journal of Progressive Research in Mathematics(JPRM), 2018)
      Properties of elementary operators have been studied over the past years especially the norm aspect. Various results have been obtained on elementary operatorsof different lengths using different approaches. ...
    • On the Norm of Basic Elementary Operator in a Tensor Product 

      Muiruri, Peter; King'ang'i, Denis; Musundi, Sammy (International Journal of Scientific and Innovative Mathematical Research., 2019)
      In this paper, we determine the norm of an elementary operator in a tensor product. More precisely, we investigate the bounds of the norm of a basic elementary operator in a tensor product. We employ the techniques of ...
    • On the Norm of Elementary Operator 

      Kingangi, Denis Njue; Agure, John Ogoji; Nyamwala, Fredrick Oluoch (Advances in Pure Mathematics, 2014)
      The norm of an elementary operator has been studied by many mathematicians. Varied results have been established especially on the lower bound of this norm. Here, we attempt the same problem for finite dimensional operators
    • On the Norm of Elementary Operator 

      Kingangi, Denis Njue; Agure, John Ogoji; Nyamwala, Fredrick Oluoch (Advances in Pure Mathematics, 2014-07)
      The norm of an elementary operator has been studied by many mathematicians. Varied results have been established especially on the lower bound of this norm. Here, we attempt the same problem for finite dimensional operators.
    • On The Norm of Finite Length Elementary Operator in Tensor Product of C*-Algebras 

      Muiruri, Peter Guchu; King’ang’i, Denis Njue; Wabomba, Sammy Musundi (International Journal of Mathematics and Computer Research, 2024-01)
      Many properties of Elementary operators, including spectrum, numerical ranges, compactness, rank, and norm have been studied in depth and some results have been obtained. However, little has been done in determining the ...
    • ON THE NORM OF JORDAN ELEMENTARY OPERATOR IN TENSOR PRODUCT OF C*-ALGEBRAS 

      Muiruri, Peter Guchu; King'ang'i, Denis Njue; Musundi, Sammy Wabomba (|INT Journal of Mathematics, 2024-06)
      The norm property of different types of Elementary operators has attracted a lot of researchers due to its wide range applications in functional analysis. From available literature the norm of Jordan elementary operator ...
    • On the Numerical Ranges 

      Kingangi, Denis Njue (International Journal of Scientific and Innovative Mathematical Research (IJSIMR), 2015-08)
      Properties of operators in a C*-algebra B(H) have been studied by many researchers in operator theory. This paper is an investigation of the numerical ranges of operators in B(H) . We show that zero is in the algebraic ...
    • On Unitary Invariance of Some Classes of Operators in Hilbert Spaces 

      Muhati, Linety N.; Khalagai, J. M. (Pure Mathematical Sciences, 2020)
      It is a known fact in operator theory that two similar operators have equal spectra but they do not necessarily have to belong to the same class of operators. However, under the stronger relation of unitary equivalence ...
    • Optimal Kiefer Ordering of Simplex Designs for Third-Degree Mixture Kronecker-Models with three ingredients. 

      Korir, Betty (Mathematical Theory and Modeling, 2019)
      This paper investigates the Kiefer optimality in the third-degree Kronecker model for mixture experiments. For mixture models on the simplex, a better design is obtained, by matrix majorization that yields a larger ...
    • Optimization of Split-Plot Design in the Context of Mixture Process Variable Settings 

      Wanyonyi, Samson W.; et al. (Asian Journal of Probability and Statistics, 2021-04)
      In the presence of process variables, a mixture design has become well-known in statistical modeling due to its utility in modeling the blending surface, which empirically predicts any mixture's response and serves as the ...
    • Parametric Interval Estimation of the Geeta Distribution 

      Kinyanjui, Josphat; Korir, Betty (International Journal of Statistics and Probability, 2018)
      t is well known that the sample mean is the estimator of a population mean in mathematical statistics from a given population of interest as a point estimator which assume a single number that is obtained ...
    • Parametric Point Estimation of the Geeta Distribution 

      Korir, Betty (International Journal of Statistical Distributions and Applications, 2018)
      Geeta distribution is a new discrete random variable distribution defined over all the positive integers with two parameters. This distribution belongs to the family of Location-parameter (LDPD) system and is of the form ...