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Fixed Points of Closed and Compact Composite Sequences of Operators and Projectors in a Class of Banach Spaces

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  • M. De la Sen

Abstract

Some results on fixed points related to the contractive compositions of bounded operators in a class of complete metric spaces which can be also considered as Banach’s spaces are discussed through the paper. The class of composite operators under study can include, in particular, sequences of projection operators under, in general, oblique projective operators. In this paper we are concerned with composite operators which include sequences of pairs of contractive operators involving, in general, oblique projection operators. The results are generalized to sequences of, in general, nonconstant bounded closed operators which can have bounded, closed, and compact limit operators, such that the relevant composite sequences are also compact operators. It is proven that in both cases, Banach contraction principle guarantees the existence of unique fixed points under contractive conditions.

Suggested Citation

  • M. De la Sen, 2013. "Fixed Points of Closed and Compact Composite Sequences of Operators and Projectors in a Class of Banach Spaces," Journal of Applied Mathematics, Hindawi, vol. 2013, pages 1-11, February.
    • Handle: RePEc:hin:jnljam:325273
    DOI: 10.1155/2013/325273
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