Coincidence point theorem and common fixed point theorem for nonself single-valued almost contractions
© 2019 Societatea de Stiinte Matematice din Romania. All Rights Reserved. Let X be a Banach space, K a nonempty closed subset of X and let T, S: K → X be two nonself almost contractions. In this paper, we prove the existence of coincidence points and common fixed points of almost contractions T and...
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| المؤلفون الرئيسيون: | , , |
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| التنسيق: | دورية |
| منشور في: |
2019
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| الموضوعات: | |
| الوصول للمادة أونلاين: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85063929932&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/65699 |
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| الملخص: | © 2019 Societatea de Stiinte Matematice din Romania. All Rights Reserved. Let X be a Banach space, K a nonempty closed subset of X and let T, S: K → X be two nonself almost contractions. In this paper, we prove the existence of coincidence points and common fixed points of almost contractions T and S. The main result shows that if S(K) is closed, the pair (T, S) has property (M') and T and S satisfy some suitable conditions, then T and S have a unique common fixed point in K. This theorem generalizes several fixed point theorems for nonself mappings and also extend many great results in the fixed point theory of self mappings to the case on nonself mappings. Also, we give an example to support the validity of our results. |
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