• On Compact Operators Whose Norms Are Eigenvalues and Completeness 

      Owino, J. N.; Okelo, N. B.; Ongati, Omolo (International Journal of Contemporary Mathematical Sciences, 2/21/2018)
      Let X be a Banach space and T: X→Y be a linear operator, then Tis compact if it maps bounded sequences in X to sequences in Y with convergent subsequences, that is, if xn ∈ X is a bounded sequence, then T xn ∈ Y has a ...