نتایج جستجو برای: leffler

تعداد نتایج: 1008  

Journal: :Int. J. Math. Mathematical Sciences 2010
Semyon B. Yakubovich

We deal with the following fractional generalization of the Laplace equation for rectangular domains x, y ∈ x0, X0 × y0, Y0 ⊂ R × R , which is associated with the Riemann-Liouville fractional derivativesΔu x, y λu x, y ,Δ : D1 α x0 D 1 β y0 , where λ ∈ C, α, β ∈ 0, 1 × 0, 1 . Reducing the left-hand side of this equation to the sum of fractional integrals by x and y, we then use the operational ...

Journal: :SIAM J. Numerical Analysis 2015
Roberto Garrappa

The Mittag-Leffler (ML) function plays a fundamental role in fractional calculus but very few methods are available for its numerical evaluation. In this work we present a method for the efficient computation of the ML function based on the numerical inversion of its Laplace transform (LT): an optimal parabolic contour is selected on the basis of the distance and the strength of the singulariti...

Journal: :Automatica 2009
Yan Li Yangquan Chen

In this communique, we present a new family of Nussbaum functions expressed by Mittag–Leffler functions under certain conditions. © 2009 Elsevier Ltd. All rights reserved.

2006
R. HILFER H. J. SEYBOLD H. J. Seybold

The generalized Mittag-Leffler function Eα,β (z) has been studied for arbitrary complex argument z ∈ C and parameters α ∈ R+ and β ∈ R. This function plays a fundamental role in the theory of fractional differential equations and numerous applications in physics. The Mittag-Leffler function interpolates smoothly between exponential and algebraic functional behaviour. A numerical algorithm for i...

2017
Xiang Kai Dou Li Yin

In this paper, we show several Turán type inequalities for a generalized Mittag-Leffler function with four parameters via the [Formula: see text]-gamma function.

Journal: :Applied Mathematics and Computation 2003
Ram K. Saxena Shyam L. Kalla

The main object of this paper is to investigate the solution of the following free electron laser equations associated with generalized MittagLeffler function and a confluent hypergeometric function in two variables: Dα τ h(τ) = ω ∫ τ 0 t β−1 h(τ − t)E σ,β(iνt σ)dt+ δf(τ), where γ, δ, ω ∈ C; ν ∈ R,α > 0, σ > 0, β > 0; E σ,β(z) is the generalized Mittag-Leffler function and Dα τ h(τ) = λ Γ(γ) ∫ ...

2016
Rachana Desai I. A. Salehbhai A. K. Shukla

The present paper deals with the study of a generalized Mittag-Leffler function and associated fractional operator. The operator has been discussed in the space of Lebesgue measurable functions. The composition with Riemann-Liouville fractional integration operator has been obtained.

2012
Renu Jain Dinesh Singh

In this paper a closed form solution of a fractional integro-differential equation of Volterra type involving Mittag-Leffler function has been obtained using straight forward technique of Sumudu transform. Some particular cases have also been considered.

2008
Atsushi Nagai

A new type of an integrable mapping is presented. This map is equipped with fractional difference and possesses an exact solution, which can be regarded as a discrete analogue of the Mittag-Leffler function.

2013
NIKOLAI LEONENKO ELY MERZBACH

Using inverse subordinators and Mittag-Leffler functions, we present a new definition of a fractional Poisson process parametrized by points of the Euclidean space R+. Some properties are given and, in particular, we prove a long-range dependence property.

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