A NOTE ON APPROXIMATION OF SOLUTIONS OF A K-POSITIVE DEFINITE OPERATOR EQUATIONS

  • Osilike, M.O. (DEPARTMENT OF MATHEMATICS, UNIVERSITY OF NIGERIA) ;
  • Udomene, A. (DEPARTMENT OF MATHEMATICS, UNIVERSITY OF NIGERIA)
  • Published : 2001.05.01

Abstract

In this note we construct a sequence of Picard iterates suitable for the approximation of solutions of K-positive definite operator equations in arbitrary real Banach spaces. Explicit error estimate is obtained and convergence is shown to be as fast as a geometric progression.

Keywords

References

  1. Applicable Analysis v.50 Existence, uniqueness and approximation of a solution for a K-positive definite operator equation C. E. Chidume;S. J.;Aneke
  2. J. Math. Anal. Appl. v.210 Approximation of a solution for a K-positive definite operator equation C. E. Chidume;M. O. Osilike
  3. J. Math. Anal. Appl. v.236 Approximation of a solution for a K-positive definite operator equation in uniformly smooth separable Banach spaces Bai Chuanzhi
  4. J. Nath. Soc. Japan v.19 Nonlinear semigroups and evolution equations T. Kato
  5. Mat. Sb. v.49 Certain new applications of the methods of Galerkin type A. E. Martyniuk
  6. Trans. Amer. Math. Soc. v.105 Direct and iterative methods for the solution of linear operator equations in Hilbert spaces W. V. Petryshyn
  7. J. Math. Anal. Appl. v.10 On a class of Kpd. and non Kpd. operators and operator equations