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    Article

    Functional delay random semilinear differential equations

    In this paper, we study the existence of integral solutions of a functional differential equation with delay and random effects. We base our arguments on some suitable random fixed point theorem with stochasti...

    Amel Benaissa, Abdelkrim Salim, Mouffak Benchohra in The Journal of Analysis (2023)

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    Article

    A fixed point theorem for Proinov map**s with a contractive iterate

    In this paper, we consider the fixed point theorem for Proinov map**s with a contractive iterate at a point. In other words, we combine and unify the basic approaches of Proinov and Sehgal in the framework o...

    Erdal Karapınar, Andreea Fulga in Applied Mathematics-A Journal of Chinese Universities (2023)

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    Chapter

    Introduction

    Fractional calculus is a field in mathematical analysis which is a generalization of integer differential calculus that involves real or complex order derivatives and integrals [10–14, 25, 28, 43, 50–52]. Ther...

    Mouffak Benchohra, Erdal Karapınar in Advanced Topics in Fractional Differential… (2023)

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    Chapter

    Preliminary Background

    In this chapter, we discuss the necessary mathematical tools, notations, and concepts we need in the succeeding chapters. We look at some essential properties of fractional differential operators. We also revi...

    Mouffak Benchohra, Erdal Karapınar in Advanced Topics in Fractional Differential… (2023)

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    Chapter

    Preliminary Background

    This chapter discusses the mathematical tools, notations, and concepts that will be required in subsequent chapters.

    Mouffak Benchohra, Erdal Karapınar in Fractional Differential Equations (2023)

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    Chapter

    Fractional Differential Equations with Instantaneous Impulses

    The aim of this chapter is to prove some existence, , and -Hyers-Rassias stability results for a class of  value problem for nonlinear  fractional differential equations with  and generalized -type fract...

    Mouffak Benchohra, Erdal Karapınar in Advanced Topics in Fractional Differential… (2023)

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    Chapter

    Fractional Differential Equations with Retardation and Anticipation

    In this chapter, we  some existence and   results for a class of  and terminal  problems for  nonlinear k-generalized \(\psi \) ψ -  fractional differential equations involving both retarded and advanc...

    Mouffak Benchohra, Erdal Karapınar in Fractional Differential Equations (2023)

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    Chapter

    Coupled Systems for Fractional Differential Equations

    This chapter deals  some existence and   results for a class of coupled  for nonlinear k-generalized \(\psi \) ψ -Hilfer fractional differential equations with boundary and terminal conditions. Our resul...

    Mouffak Benchohra, Erdal Karapınar in Fractional Differential Equations (2023)

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    Book

    Fractional Differential Equations

    New Advancements for Generalized Fractional Derivatives

    Mouffak Benchohra, Erdal Karapınar in Synthesis Lectures on Mathematics & Statistics (2023)

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    Chapter

    Introduction

    Fractional calculus is an area of mathematical analysis that extends the concepts of integer differential calculus to involve real or complex order derivatives and integrals.

    Mouffak Benchohra, Erdal Karapınar in Fractional Differential Equations (2023)

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    Chapter

    Implicit Fractional Differential Equations

    This chapter deals with some existence and Ulam stability results for a class of initial and boundary value problems for differential equations with generalized Hilfer-type fractional derivative in Banach spaces.

    Mouffak Benchohra, Erdal Karapınar in Advanced Topics in Fractional Differential… (2023)

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    Chapter

    Hybrid Fractional Differential Equations

    This chapter is devoted to proving some results concerning the existence of solutions for a class of initial and boundary value problems for nonlinear fractional Hybrid differential equations and Generalized H...

    Mouffak Benchohra, Erdal Karapınar in Fractional Differential Equations (2023)

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    Chapter

    Fractional Differential Equations with Non-Instantaneous Impulses

    The present chapter deals with some existence, , and  stability results for a class of initial and  value problems for nonlinear  fractional differential equations with non-instantaneous  and generalized ...

    Mouffak Benchohra, Erdal Karapınar in Advanced Topics in Fractional Differential… (2023)

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    Chapter

    Impulsive Fractional Differential Equations with Retardation and Anticipation

    This  deals with the existence and  results for a class of impulsive initial and  value problems for  nonlinear fractional differential equations and k-Generalized \(\psi \) ψ -  fractional derivative i...

    Mouffak Benchohra, Erdal Karapınar in Fractional Differential Equations (2023)

  15. Article

    Open Access

    Extended Proinov \({\mathfrak {X}}\) -contractions in metric spaces and fuzzy metric spaces satisfying the property \({{\mathcal {N}}}{{\mathcal {C}}}\) by avoiding the monotone condition

    In recent years, Fixed Point Theory has achieved great importance within Nonlinear Analysis especially due to its interesting applications in real-world contexts. Its methodology is based on the comparison bet...

    Erdal Karapınar, Juan Martínez-Moreno in Revista de la Real Academia de Ciencias Ex… (2022)

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    Chapter

    Introduction

    Fixed point theory can be described as a framework for researching and investigating the existence of the solution of the equation \(f(p)=p\) ...

    Erdal Karapınar, Ravi P. Agarwal in Fixed Point Theory in Generalized Metric Spaces (2022)

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    Chapter

    Metric Spaces

    The notion of the metric can be considered as a generalization of two point distance that was contrived systematically first by Euclid. In the modern mathematical set-up, Maurice René Frechét [116] is the firs...

    Erdal Karapınar, Ravi P. Agarwal in Fixed Point Theory in Generalized Metric Spaces (2022)

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    Chapter

    Generalization of Metric Spaces

    In this chapter, we discuss some of the interesting generalizations and extensions of the notion of the metric. Roughly speaking, the notion of metric can be considered as an axiomatic form of the “distance”. ...

    Erdal Karapınar, Ravi P. Agarwal in Fixed Point Theory in Generalized Metric Spaces (2022)

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    Chapter

    Metric Fixed Point Theory

    The aim of this chapter is to give a brief history of metric fixed point theory. In this section, we discuss the pioneer metric fixed point theorem that was given by Banach [56]. This outstanding result is kno...

    Erdal Karapınar, Ravi P. Agarwal in Fixed Point Theory in Generalized Metric Spaces (2022)

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    Chapter

    Fixed Point Theorems on b-Metric Spaces

    In this chapter, we collect some important fixed point theorems. Fixed point theorems in b-metric spaces have been studied by many author, e.g. [11, 12, 20, 23, 36, 37, 45, 57, 59, 71, 72, 74, 76, 77, 79, 117, 11...

    Erdal Karapınar, Ravi P. Agarwal in Fixed Point Theory in Generalized Metric Spaces (2022)

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