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A Study of Caristi’s Fixed Point Theorem on Normed Space and Its Applications
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作者 Md. Abdul Mannan Moqbul Hossain +1 位作者 halima akter Samiran Mondal 《Advances in Pure Mathematics》 2021年第3期169-179,共11页
In this work, we will discuss Caristi’s fixed point theorem for mapping results introduced in the setting of normed spaces. This work is a generalization of the classical Caristi’s fixed point theorem. Also, Caristi... In this work, we will discuss Caristi’s fixed point theorem for mapping results introduced in the setting of normed spaces. This work is a generalization of the classical Caristi’s fixed point theorem. Also, Caristi’s type of fixed points theorem was partial discussed in Reich, Mizoguchi and Takahashi’s and Amini-Harandi’s results, we developed ideas that many known fixed point theorems can easily be derived from the Caristi theorem. 展开更多
关键词 NORM UNIFORMITY Mizoguchi and Takahashi’s Rich’s Problem Caristi’s Fixed Point Theorem Strong and Weak Contraction SEMI-CONTINUOUS
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A Study of Banach Fixed Point Theorem and It’s Applications
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作者 Md. Abdul Mannan Md. R. Rahman +2 位作者 halima akter Nazmun Nahar Samiran Mondal 《American Journal of Computational Mathematics》 2021年第2期157-174,共18页
This paper aims at treating a study of Banach fixed point theorem for mapping results that introduced in the setting of normed space. The classical Banach fixed point theorem is a generalization of this work. A fixed ... This paper aims at treating a study of Banach fixed point theorem for mapping results that introduced in the setting of normed space. The classical Banach fixed point theorem is a generalization of this work. A fixed point theory is a beautiful mixture of Mathematical analysis to explain some conditions in which maps give excellent solutions. Here later many mathematicians used this fixed point theory to establish their results, see for instance, Picard-Lindel of Theorem, The Picard theorem, Implicit function theorem etc. Also, we developed ideas that many of known fixed point theorems can easily be derived from the Banach theorem. It extends some recent works on the extension of Banach contraction principle to metric space with norm spaces. 展开更多
关键词 Metric Space Norm Space Complete Norm Space Operator Banach Fixed Point Theorem UNIFORMITY Strong and Weak contraction SEMI-CONTINUOUS
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Evaluate All the Order of Every Element in the Higher Order of Group for Addition and Multiplication Composition
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作者 Md. Abdul Mannan Nazmun Nahar +3 位作者 halima akter Momtaz Begum Md. Amanat Ullah Shabnam Mustari 《International Journal of Modern Nonlinear Theory and Application》 2022年第2期11-30,共20页
This paper aims at treating a study on the order of every element for addition and multiplication composition in the higher order of groups for different algebraic structures as groups;order of a group and order of el... This paper aims at treating a study on the order of every element for addition and multiplication composition in the higher order of groups for different algebraic structures as groups;order of a group and order of element of a group in real numbers. Here we discuss the higher order of groups in different types of order which will give us practical knowledge to see the applications of the addition and multiplication composition. If G is a finite group, n is a positive integer and a &isins;G, then the order of the products na. When G is a finite group, every element must have finite order. However, the converse is false: there are infinite groups where each element has finite order. For example, in the group of all roots of unity in C<sup>×</sup> each element has finite order. Finally, we find out the order of every element of a group in different types of higher order of group. 展开更多
关键词 Order of Element of a Group Addition Composition Multiplication Composition Modulo
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