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A Dual of the Compression-Expansion Fixed Point Theorems

Fixed Point Theory and Applications volume 2007, Article number: 090715 (2007) Cite this article

Abstract

This paper presents a dual of the fixed point theorems of compression and expansion of functional type as well as the original Leggett-Williams fixed point theorem. The multi-valued situation is also discussed.

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Authors and Affiliations

  1. College of Arts and Sciences, Dakota State University, Madison, SD, 57042, USA

    Richard Avery

  2. Department of Mathematics, Baylor University, Waco, TX, 76798, USA

    Johnny Henderson

  3. Department of Mathematics, National University of Ireland, Galway, Ireland

    Donal O'Regan

Authors
  1. Richard Avery
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  2. Johnny Henderson
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  3. Donal O'Regan
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Correspondence to Richard Avery.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Avery, R., Henderson, J. & O'Regan, D. A Dual of the Compression-Expansion Fixed Point Theorems. Fixed Point Theory Appl 2007, 090715 (2007). https://doi.org/10.1155/2007/90715

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