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ORIGINAL RESEARCH article

Front. Appl. Math. Stat., 06 February 2024
Sec. Mathematical Biology

Khalouta transform and applications to Caputo-fractional differential equations

\r\nNikita KumawatNikita Kumawat1Akanksha ShuklaAkanksha Shukla2Manvendra Narayan Mishra
Manvendra Narayan Mishra1*Rahul SharmaRahul Sharma3Ravi Shanker DubeyRavi Shanker Dubey4
  • 1Department of Mathematics, Suresh Gyan Vihar University, Jaipur, Rajasthan, India
  • 2Department of Mathematics, Biyani Girls College, Jaipur, Rajasthan, India
  • 3Department of Mathematics, University of Engineering and Management Jaipur, Jaipur, Rajasthan, India
  • 4Department of Mathematics, Amity School of Applied Sciences, Amity University Rajasthan, Jaipur, Rajasthan, India

The paper aims to utilize an integral transform, specifically the Khalouta transform, an abstraction of various integral transforms, to address fractional differential equations using both Riemann-Liouville and Caputo fractional derivative. We discuss some results and the existence of this integral transform. In addition, we also discuss the duality between Shehu transform and Khalouta transform. The numerical examples are provided to confirm the applicability and correctness of the proposed method for solving fractional differential equations.

2010 Mathematics Classification: Primary 92B05, 92C60; Secondary 26A33.

1 Introduction

Fractional calculus extends the traditional calculus operation of differentiation and integral to non- integer orders. Although the concept finds its roots in the works of Euler, Laplace and Fourier in the 18th and 19th centuries, it has gained significant attention in recent years for its applications in diverse scientific and engineering fields. Solving fractional differential can be more challenging than solving traditional differential equations, and various numerical and analytical method [15] have been developed for this purpose. An integral transform is an operation that takes a function and maps it to another function through integration. It is often used to simplify and solve complex problems in various fields. The basic idea behind an integral transform is to express a function in terms of a different set of functions, making it easier to analyze and manipulate. One of the most well-known integral transforms is the Laplace transform [6, 7], which is widely used in control theory and signal processing. Another common integral transform is the Fourier transform, used in fields like signal analysis and image processing. These transforms have applications in solving differential equations, analyzing signals, and studying the frequency components of functions. Now days many integral transforms can be used to convert differential equations into algebraic equations, making them easier to solve such as Sumudu transform method, Natural transform method, Kamal transform method, Mohand transform method, Aboodh transform method, Shehu transform method [4], and Complex integral transform method etc. [832]. Integral transform are employed to solve partial differential equations governing heat transfer and fluid flow problems in engineering, such as in solving the heat conduction equation. The Fourier and wavelet transforms are used in image processing to analyze and enhance images, as well as to extract features and perform image compression [3340]. The Khalouta integral transform is employed in this article to drive explanatory solutions for fractional differential equations utilizing both the both the Riemann-Liouville integral and caputo fractional derivative. The approach aims to provide a comprehensive understanding of the solutions within the context of these specific fractional calculus operators. Khalouta transform method for Atangana-Baleanu or other derivatives can also be adapted since Sumudu transform, Shehu transform and various other transforms exists for these derivatives and relationship of Khalouta transform exists with all these transforms. Applying Khalouta transform methods to highly nonlinear fractional differential equations can pose several challenges like analytical solutions complexity, convergence issues and others. Khalouta transform rely on the convergence of series or integrals. For highly nonlinear problems, convergence may be slow.

2 Pre-requisites

We present few fundamental definition and properties related to the fractional calculus. These definitions and properties form the basis for understanding and applying fractional calculus in various scientific and engineering disciplines. For detailed explanations, please refer to the cited sources [41, 42].

Definition 1 The Riemann Liouville fractional integral operator I0β of order β for a function f:(0, ∞) → R for all βR+ is defined as,

I0 βf(u)=1Γ(β)0u(uυ)β1f(υ)dυ,    (1)
=1Γ(β)uβ-1*f(u),    β>0,u>0,
I0f(u)=f(u)

Where Γ(.) is the widely known pseudo gamma function. It is an abstraction of factorial function,

Γp=0up1eudu      pc    (2)

Definition 2 The Riemann-Liouville fractional derivative operator  RDuβ of order β for a function f:(0, ∞) → R for all βR+ is defined as,

 RDu βf(u)=Du nIn βf(u)=dndunIn βf(u)    (3)
=1Γnβdndun0t(uυ)nβ1f(υ)dυ,       u>0.    (4)

where n − 1 < βn  nN.

Definition 3 The Caputo fractional derivative of function f:(0, ∞) → R for all βR+ is defined as,

 cDu βf(u)=InβDu nf(u)                   =1Γnβ0u(uυ)nβ1fn(υ)dυ,    u>0.                     =nunf(u)=fn(u).    (5)

where n − 1 < βn   nN.

Definition 4 The Mittag-Leffler function is abstraction of exponential function Eβ (k) which is defined as,

Eδ(k)=r=0krΓ(δr+1)    (6)
Eδ,γ(k)=r=0krΓ(δr+γ)    (7)

here δ, γ ∈ R+and kc An abstraction of Mittag-Leffler function of is introduced by Prabhaker as given [43, 44]:

Eδ,γε(k)=r=0(ε)rΓ(δn+γ)krr!    (8)

here δ, γ, εR+and kc

3 Khalouta transform

The function f:u ∈ [0, ∞[→ R of exponential order β > 0, then Khalouta transform, over the set of function is defined as [45]

ς={f(u):K,β>0,|f(u)|<Kexp(βu),for all u[0,[},

by the following integral

Kh[f(u)]=k(s,λ,η)=s0exp(su)f(ληu)du.    (9)

We can also define it as,

Kh[f(u)]=k(s,λ,η)=sλη0exp(suλη)f(u)du

or

=limϕsλη0ϕexp(suλη)f(u)du,    (10)

where s, λ, η > 0 are the Khalouta transform variables. β is a real number and the integral is taken along the limit u = ϕ. Equations (110) give the basic details of fractional operators and of Khalouta transform.

Since the Khalouta transform is very recently discovered so there might be some general queries about the efficiency and reliability of the transform but one can trust this transform as it has fair connections with other established transforms as well. Extending the Khalouta transform method to handle systems of fractional differential equations (FDEs) for improved efficiency and accuracy involves several considerations. Efficiency and accuracy depend on the specific characteristics of the system and the problem at hand. Khalouta transform possesses certain mathematical properties that make it suitable for solving problems related to Caputo fractional derivatives like, linearity, exponential behavior, derivatives property, initial value problem and semi group property. It can also be used to derive approximate solutions for fractional differential equations when exact solutions are challenging to obtain. Dealing with fractional orders involves performing computations related to fractional calculus. These computations can be more complex and computationally intensive than traditional integer-order calculus. Efficient algorithms and numerical methods may be needed. Fractional calculus problems may benefit from adaptive algorithms, such as adaptive time-stepping methods. These algorithms adjust the step size dynamically, which can impact the overall computation requirements. It's a complex area with challenges, and not all deep learning frameworks readily support fractional derivatives. we may need specialized tools or libraries designed for fractional calculus to address such multi-dimensional problem.

Khalouta transform methods can be applied to multidimensional problems involving partial derivatives with fractional orders in some scientific and engineering fields. Here are few examples: fractional heat equations, fractional wave equations and fractional diffusion equation. There are many examples from science and engineering where Khalouta transform has been successfully applied to solve real-world problems involving fractional calculus [1, 2]. The convergence properties of the transform method in solving fractional differential equations depend on the nature of the given problem. Generally, Khalouta transforms, can exhibit good convergence for well-behaved functions and problems with appropriate initial or boundary conditions. The convergence may be influenced by the smoothness of the solution, the decay properties of the involved functions, In some cases, careful consideration of the choice of fractional derivative definition (e.g., Caputo or Riemann-Liouville) is crucial for convergence analysis. This transform can also be extended to handle fractional integro differential equations like the first order volterra integro- differential equation with the initial condition and the second order volterra differential equations with the initial condition. When dealing with singularities or irregularities in fractional differential equations, specialized numerical techniques like the Caputo or Riemann-Liouville fractional differ-integration methods can be employed. These methods are designed to handle fractional calculus operations and may provide better performance in capturing the behavior of systems with singularities. Additionally, techniques such as fractional Adams-Bashforth or Adams-Moulton methods can be useful for solving fractional differential equations numerically. This transform may not be directly applicable to problems with variable order derivatives. These methods are most effective for problems with constant order derivatives. For variable order derivatives, you might need to explore specialized techniques like fractional calculus or other advanced mathematical tools, depending on the specific characteristics of our problem.

This transform method, often used for solving fractional differential equations (FDEs). The theoretical underpinning involves extending classical calculus to include fractional derivatives and integrals, allowing the analysis of systems with non-integer order derivatives. Mathematically, fractional derivatives are defined through integral operators, such as the Riemann-Liouville or Caputo operators. Transforming FDEs into the frequency or Laplace domain simplifies the equations, making them amenable to solution using standard techniques. This approach leverages the well-established properties of Khalouta transforms, enabling the application of existing mathematical tools to fractional calculus. There are some basic properties where Khalouta transform method fails to provide accurate solution like sudden changes or discontinuities in a function can lead to inaccuracies in transform solutions, Khalouta transforms may not converge for certain functions, leading to divergent or nonsensical results and incorrect or poorly defined boundary conditions can affect the accuracy of transform. Khalouta transform method can be generalized to address mixed fractional differential equations involving both Caputo and Riemann-Liouville fractional derivatives for future point of view. Till now no such study has been conducted. The choice of initial conditions and boundary conditions significantly influences the applicability and success of Khalouta transform method in solving fractional differential equations. Selecting appropriate conditions ensures the compatibility of the method with the problem at hand, enhancing convergence and accuracy. Incorrect choices may lead to divergence or inaccurate solutions, emphasizing the importance of a careful match between the problem's characteristics and the chosen conditions for a successful application of transform methods. Till now, there is no practical guidelines or best practices for researchers and practitioners when applying the Khalouta transform method to complex problems in fractional calculus. Integrating machine learning and AI techniques with the transform method holds potential for enhancing solutions to challenging fractional calculus problems. These technologies can improve accuracy, efficiency, and adaptability in handling complex mathematical operations, offering innovative approaches to problem-solving in this domain. If we clearly compare this transform with other transforms then we can say that this is another tool we have got to address the scientific and technical problems. The efficiency of the Khalouta transform method compare to other numerical methods commonly used in fractional calculus, such as the finite difference method or the Laplace transform method is not done till now but it can be a new vertical for the future studies as well. Since this is the newly introduced transform so till now not much work has been done with this so the classes of problems where Khalouta transform outperforms other existing techniques, is not defined till now. This was the some basic and important information about the Khalouta transform which can help the researchers to think in some new vertical of the solutions.

3.1 Khalouta—Shehu duality

Let k(s, λ, η) be the Khalouta transform of the function f(u) ∈ ς. If we take η = 1 then equation become,

k(s,λ,1)=sλ0exp(-suλ)f(u)du=sλSh(s,λ)    (11)

where Sh(s, λ) denotes the Shehu transform of the function f(u) ∈ ς.

Corollary Shehu transform of Mittag–Leffler function [46],

Eδ,γ(k)=,r=0krΓ(δr+γ)    δ,γC,    Re(δ),Re(γ)>0

exists and is given as

Sh(uγ-1Eδ,γε(wuδ))=(λs)γ(1-w(λs)δ)-ε    (12)

if we take ω = −1 and ε = −1 Equation (12) becomes

Sh(uγ-1Eδ,γ(-uδ))=(λs)γ(1+(λs)δ)-1

or,

Sh(Eδ(-uδ))=(λs)(1+(λs)δ)-1

Using relation (Equation 11), we can find Khalouta transform of Mittag- Leffler function as

Kh[Eδ(-uδ)]=(1+(ληs)δ)-1    (13)

3.2 Some basic properties of Khalouta transform

Now we are going to discuss some properties of Khalouta transform.

a. Linear property of the Khalouta transform If λ and μ are non- zero arbitrary constants and f(u) and g(u) are functions defined over the set ς, then (λf(u) + μg(u)) ∈ ς, and (Equation 14)

Kh[λf(u)±μg(u)]=λKh[f(u)]±μKh[g(u)].    (14)

b. Khalouta transform of derivatives of the functions Let f(u) be the function, then nth derivative of the function is defined as fn(u) ∈ ς with respect to u. For n = 1, 2, 3, …… and its Khalouta transform is specified,

Kh[fn(u)]=snλnηnk(s,λ,η)-k=0n-1(sλn)n-kfk(0).    (15)

Here we also define the Khalouta transform of nth partial derivative. Let v = v(x, t) and nv(x,t)xn both defined in the set ς. And suppose k(x, s, λ, η,) be the Khalouta transform of v(x, t) and nv(x,t)xn is the nth derivative of the function v(x, t) with respect to x. Then

Kh[nv(x,t)xn]=dndxnk(x,s,λ,η)    (16)

where n = 1, 2, 3, …

c. Khalouta transform of the convolution of two functions Suppose k1(s, λ, η)and k2(s, λ, η) are the Khalouta transforms of f(u) and g(u), respectively, both defined in the set ς. Then the Khalouta transform of their convolution is given by (Equation 17),

Kh[(f*g)u]=ληsk1(s,λ,η)k2(s,λ,η),    (17)

where (f * g) is convolution of two functions defined as,

(f*g)(u)=0uf(τ)g(uτ)dτ=0uf(uτ)g(u)dτ.

d. Khalouta transform for some functions Below are the Khalouta transforms of some standard functions:

Kh(up-1Γp)=λp-1ηp-1sp-1
Kh[sinβt]=βsληs2+β2λ2η2.
Kh[sinhβt]=βsληs2-β2λ2η2.
Kh[cosβt]=s2s2+β2λ2η2.
Kh[coshβt]=s2s2-β2λ2η2.
Kh[e-at]=ss+aλη

e. Khalouta transform of some fractional derivatives

3.2.1 Theorem 1

Suppose that k(s, λ, η) be the Khalouta integral transform of the function f(u), which satisfy nZ+ and n − 1 < βn, then the Khalouta integral transform of the Riemann-Liouville fractional integral of f(u) of order β > 0, is

Kh[I0βf(u)]=(λβηβsβ)k(s,λ,η)    (18)

Proof For the function f(u) , the Riemann Liouville fractional integral I0β can be expressed as the convolution by I0βf(u)=1Γβuβ-1*f(u). Now, by applying the Khalouta transform of the convolution of two function (property c), we have

Kh[I0 βf(u)]=Kh[1Γβuβ1*f(u)]     =ληsKh[uβ1Γβ]Kh[f(u)]

now using property (d) we get

=ληs(λβ-1ηβ-1sβ-1)k(s,λ,η)

or,

=(ληs)βk(s,λ,η)

Hence Proved.

3.2.2 Theorem 2

Suppose that k(s, λ, η) be the Khalouta integral transform of the function f(u), which satisfy nZ+ and n − 1 < βn , then the Khalouta integral transform of the Riemann-Liouville fractional derivative of f(u) of order β > 0, is

Kh[ RDu βf(u)]=(ληs)βk(s,λ,η)k=0n1(sλη)k [RDu βkf(u)]u=0

Proof Let us consider the function

g(u)=I0n-βf(u)    (19)

Now, applying Khalouta transform of Equation (19) and using Equation (18), we have

Kh[g(u)]=Kh[I0 nβf(u)]=(ληs)nβk(s,λ,η)   Kh[g(u)]=G(s,λ,η)=(ληs)nβk(s,λ,η)    (20)

then, from the definition of Riemann-Liouville fractional derivative (2), we have

 RDu βf(u)=Du nI0 nβf(u)=dndunI0 nβf(u)=dndung(u) RDu βf(u)=gn(u)    (21)

Applying the Khalouta transform on Equation (21) both the sides,

Kh[ RDu βf(u)]=Kh[gn(u)]

Now we use property (b), we have

Kh[ RDu βf(u)]=(snλnηn)G(s,λ,η)k=0n1(sλη)nk[gk(u)]u=0Kh[ RDu βf(u)]=(snλnηn)G(s,λ,η)k=0n1(sλη)k[gnk(u)]u=0

this equation can also be written as

Kh[ RDu βf(u)]=(snλnηn)G(s,λ,η)k=0n1(sλη)k[Dt nkI0 nβf(u)]t=0

Using Equation (20) and definition (2), we have

Kh[ RDu βf(u)]=(snλnηn)(ληs)nβk(s,λ,η)k=0n1(sλη)k[RDu βkf(u)]u=0Kh[ RDu βf(u)]=(ληs)βk(s,λ,η)k=0n1(sλη)k[RDu βkf(u)]u=0.

Hence Proved.

3.2.3 Theorem 3

Suppose that k(s, λ, η) be the Khalouta integral transform of the function f(u), which satisfy nZ+ and n − 1 < βn , then the Khalouta integral transform of Caputo fractional derivative of f(u) of order β > 0, is

Kh[cDuβf(u)]=(ληs)βk(s,λ,η)k=0n1(ληs)β+kfk(0)    (22)

Proof By definition (3) of the Caputo fractional derivative of function, we have,

 cDuβf(u)=1Γnβ0u(uυ)nβ1fn(υ)dυ=1Γnβ0u(uυ)nβ1g(υ)dυ cDuβf(u)=I0 nβg(u)    (23)

by applying the Khalouta transform on both sides of Equation (23) and using theorem 1, as a result,

Kh[ cDu βf(u)]=Kh[I0 nβg(u)]=(ληs)nβG(s,λ,η)    (24)

where G(s, λ, η) is the Khalouta integral transform of the function g(u). Now, applying Khalouta transform and using the property (b), we obtain

Kh[g(u)]=Kh[fn(u)]G(s,λ,η)=Kh[fn(u)]=snλnηnk(s,λ,η)k=0n1(sλn)nkfk(0)]

Therefore, the Equation (24) becomes

Kh[cDu βf(u)]=(ληs)nβ[(snλnηn)k(s,λ,η)k=0n1(sλη)nkfk(0)]Kh[cDu βf(u)]=(ληs)βk(s,λ,η)k=0n1(ληs)β+kfk(0).    (25)

where n − 1 < βn

which gives Equation (22), hence from Equation (25), we get our result.

This article is divided into five parts. Part one is consisting of origination of the article. Section 2 is dealing with pre-requisites related to the paper. Khalouta transform and some properties are discussed in segment 3 while Section 4 is having application part. Paper is concluded in Section 5. List of references is attached at the end to acknowledge the researchers and mathematicians.

4 Applications

In this segment, we are going to discuss some particular applications of Khalouta transform in solving the fractional differential equations. Using fractional order, here we take a linear ordinary differential equation [46].

 cDu βy(u)=j=1nbjy(j)(u)+g(u)    (26)

with initial conditions

y(j)(0)=aj,j=0,n1,aj,bjR,   g(u)A    (27)

we take Khalouta transform of Equation (26), and we secure

Kh[ cDu βy(u)]=Kh[j=1nbjy(j)(u)+g(u)]

now by the linearity property of Khalouta transform, we have

Kh[ cDu βy(u)]=j=0nbjKh(y(j)(u))+Kh(g(u))Kh[ cDu βy(u)]=b0y(u)+j=1nbjKh(y(j)(u))+Kh(g(u))

Using theorem 3 and property (b), we obtain

(ληs)βY(s,λ,η)k=0n1(ληs)β+kyk(0)=b0Y(s,λ,η)+j=1nbj+[sjλjηjY(s,λ,η)k=0j1(sλη)jkyk(0)]+Kh(g(u))+(ληs)βY(s,λ,η)j=0nbjsjλjηjY(s,λ,η)=k=0n1ak(ληs)β+kj=1nbjk=0j1ak(sλη)jk+Kh(g(u))

or by using Equation (27), we have,

Y(s,λ,η)=((ληs)βj=0nbjsjλjηj)1×(k=0n1ak(ληs)β+kj=1nbjk=0j1ak(sλη)jk+Kh(g(u)))    (28)

By using inverse Khalouta transform on of Equation (28), and we secure result of Equation (26) as,

y(u)=Kh1[((ληs)βj=0nbjsjλjηj)1×(k=0n1ak(ληs)β+kj=1nbjk=0j1ak(sλη)jk+Kh(g(u)))]    (29)

4.1 Example 1

When n = 1, b0 = −1, b1 = g(u) = 0 we secure [47],

 cDu βy(u)+y(u)=0, 0<β1, u>0    (30)

with initial condition y(0) = 1

Solution Substituting n, b0, b1, and g in Equation (29), we get

y(u)=Kh-1[((ληs)-β-j=01bjsjλjηj)-1(ληs)-β]

or,

y(u)=Kh-1[(1-(-1)(ληs)β)-1]

or

y(u)=Kh-1(1+(ληs)β)-1

Thus, by Khalouta transform of Mittag-Leffler function of Equation (13), we have

Y(s,λ,η)=Kh(Eβ(-uβ))

We get absolute result of Equation (30) as (Figure 1),

y(u)=Eβ(-uβ)
Figure 1
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Figure 1. Graph of solution obtained in example 1.

4.2 Example 2

Let we take homogeneous ordinary differential equation with fractional order [48].

 cDu 12y(u)+y(u)=u2+Γ(3)Γ(52)u32,u>0    (31)

with initial condition y(0) = 0.

Solution Now we have to find absolute result of Equation (31), so we take Equation (29), for n = 1, b0 = −1, b1 = 0 and g(u)=u2+Γ(3)Γ(52)u32, we get

y(u)=Kh-1[((ληs)-12-(-1))-1Kh(u2+Γ(3)Γ52u32)]

or,

y(u)=Kh-1[((ληs)-12-(-1))-1(2(ληs)2+Γ(3)Γ(52)(ληs)32Γ(52))]

or,

y(u)=Kh-1[(2(ληs)2)(((ληs)-12+1)((ληs)-12-(-1)))]

or,

y(u)=Kh-1(2(ληs)2)

or, finally we get (Figure 2)

y(u)=u2
Figure 2
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Figure 2. Graph of solution obtained in example 2.

4.3 Example 3

Consider the wave equation [49].

2u(x,t)t2-42u(x,t)x2=0    (32)

with initial conditions

u(x,0)=sinπx,ut(x,0)=0and x,t>0    (33)

Solution Taking the Khalouta transform of Equation (32) and using Equations (15, 16) of Property (b), we obtain

d2dt2k(x,s,λ,η)4[s2λ2η2k(x,s,λ,η)s2λ2η2u(x,0)sληut(x,0)]=0    (34)

Using initial conditions (Equation 33) and simplifying the Equation (34), we obtain

d2dt2k(x,s,λ,η)-4s2λ2η2k(x,s,λ,η)+4s2λ2η2sin(πx)=0

or,

λ2η24s2d2dt2k(x,s,λ,η)-k(x,s,λ,η)=-sin(πx)    (35)

Which is linear ordinary differential equation with second order, so that the overall result of Equation (35) can be put down,

k(x,s,λ,η)=-sin(πx)λ2η24s2D2-1=-sin(πx)λ2η24s2(-π2)-1

or,

=s2(π2)2λ2η2+s2sin(πx)

by using the inverse Khalouta transform of above, the absolute result of Equation (32) (Figure 3) is

u(x,t)=cosπ2t.sin(πx).
Figure 3
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Figure 3. Graph of solution obtained in example 3.

4.4 Example 4

Let we take the homogeneous heat equation [49].

4u(x,t)t=2u(x,t)x2    (36)

with initial condition

u(x,0)=sinπ2x,x,t>0    (37)

Solution Applying the Khalouta transform on Equation (36), we have

Kh[4u(x,t)t]=Kh[2u(x,t)x2]

Using Equations (15, 16) of property (b), and we obtain,

d2dx2k(x,s,λ,η)-4[sληk(x,s,λ,η)-sληu(x,0)]=0    (38)

Using the initial conditions (Equation 37) and simplifying the Equation (38), we obtain

d2dx2k(x,s,λ,η)-4sληk(x,s,λ,η)=-4sληsinπ2x    (39)

which is linear ordinary differential equation with second order. The overall result of Equation (39) can be put down

k(x,s,λ,η)=-4sληsinπ2xD2-4sλη=-4sληsinπ2x-π24-4sλη

or,

k(x,s,λ,η)=sπ216λη+ssinπ2x

by using the inverse Khalouta transform of the above, the absolute result of Equation (36) (Figure 4) is reported by

u(x,t)=e-π216t.sinπ2x
Figure 4
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Figure 4. Graph of solution obtained in example 4.

5 Conclusion

The Khalouta transform method appears to be a valuable approach for addressing Riemann-Liouville fractional derivatives and integrals, as well as Caputo fractional derivatives. The successful application of this mehod in resolving examples suggests its efficacy and efficiency in obtaining exact solutions for fractional differential equations involving Caputo derivatives and partial derivatives. This could contribute to advancements in solving complex mathematical problems in the realm of fractional calculus.

Data availability statement

The original contributions presented in the study are included in the article/supplementary material, further inquiries can be directed to the corresponding author.

Author contributions

NK: Writing – original draft. AS: Writing – review & editing. MM: Writing – original draft. RS: Writing – review & editing. RD: Supervision, Validation, Writing – original draft.

Funding

The author(s) declare that no financial support was received for the research, authorship, and/or publication of this article.

Conflict of interest

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Publisher's note

All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.

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Keywords: fractional differential equation, Riemann fractional derivative, Caputo fractional derivative, Mittag-Leffler function, Khalouta transfom

Citation: Kumawat N, Shukla A, Mishra MN, Sharma R and Dubey RS (2024) Khalouta transform and applications to Caputo-fractional differential equations. Front. Appl. Math. Stat. 10:1351526. doi: 10.3389/fams.2024.1351526

Received: 07 December 2023; Accepted: 19 January 2024;
Published: 06 February 2024.

Edited by:

Preeti Dubey, University of Washington, United States

Reviewed by:

Ali Raza, Government of Punjab, Pakistan
Sania Qureshi, Mehran University of Engineering and Technology, Pakistan

Copyright © 2024 Kumawat, Shukla, Mishra, Sharma and Dubey. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

*Correspondence: Manvendra Narayan Mishra, manvendra.mishra22187@gmail.com

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