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Related papers: Estimates for Mittag-Leffler functions with smooth…

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In this paper we consider the problem of estimation of oscillatory integrals with Mittag-Leffler functions in two variables. The generalisation is that we replace the exponential function with the Mittag-Leffler-type function, to study…

Classical Analysis and ODEs · Mathematics 2023-01-12 Isroil A. Ikromov , Michael Ruzhansky , Akbar R. Safarov

We consider the problem on uniform estimates for an oscillatory integrals with the smooth phase functions having singularities $D_{\infty} $. The estimate is sharp and analogy to estimates of the work of V.N.Karpushkin.

Classical Analysis and ODEs · Mathematics 2021-11-09 Ikromov Isroil Akramovich , Safarov Akbar Raxmanovich

In this paper, we consider estimates for the two-dimensional oscillatory integrals. The phase function of the oscillatory integrals is the linear perturbation of a function having $D$ type singularities. We consider estimates for the…

Classical Analysis and ODEs · Mathematics 2024-02-07 Ibrokhimbek Akramov , Isroil A. Ikromov

We aim to study Mittag-Leffler type functions of two variables ${{D}_{1}}\left( x,y \right),...,{{D}_{5}}\left( x,y \right)$ by analogy with the Appell hypergeometric functions of two variables. Moreover, we targeted functions…

Classical Analysis and ODEs · Mathematics 2025-12-25 Anvar Hasanov , Erkinjon Karimov

In this paper we consider the problem on uniform estimates for generalized oscillatory integrals given by Mittag- Leffler functions with the homogeneous polynomial phase. We obtain a variant of Ricci-Stein Lemma and invariant estimates for…

Classical Analysis and ODEs · Mathematics 2022-08-29 Isroil A. Ikromov , Akbar R. Safarov

This paper is devoted to $L^2$ estimates for trilinear oscillatory integrals of convolution type on $\mathbb{R}^2$. The phases in the oscillatory factors include smooth functions and polynomials. We shall establish sharp $L^2$ decay…

Classical Analysis and ODEs · Mathematics 2021-08-13 Yangkendi Deng , Zuoshunhua Shi , Dunyan Yan

In this paper, we study analogues of the van der Corput lemmas involving Mittag-Leffler functions. The generalisation is that we replace the exponential function with the Mittag-Leffler-type function, to study oscillatory type integrals…

Functional Analysis · Mathematics 2024-08-26 Michael Ruzhansky , Berikbol T. Torebek

The paper is devoted to study analogues of the van der Corput lemmas involving Mittag-Leffler functions. The generalisation is that we replace the exponential function with the Mittag-Leffler-type function, to study oscillatory integrals…

Functional Analysis · Mathematics 2021-10-05 Michael Ruzhansky , Berikbol T. Torebek

One-dimensional and two-dimensional integrals containing $E_b(-u)$ and $E_{\alpha ,\beta }\left(\delta x^{\gamma }\right)$ are considered. $E_b(-u)$ is the Mittag-Leffler function and the integral is taken over the rectangle $0 \leq x <…

General Mathematics · Mathematics 2025-05-01 Robert Reynolds

In this paper, we introduce a delayed Mittag-Leffler type function. With the help of the delayed Mittag-Leffler type functions, we give an explicit formula of solutions to linear nonhomogeneous fractional time-delay Langevin equations…

Dynamical Systems · Mathematics 2019-07-04 N. I. Mahmudov

The paper explores various special functions which generalize the two-parametric Mittag-Leffler type function of two variables. Integral representations for these functions in different domains of variation of arguments for certain values…

Functional Analysis · Mathematics 2017-05-17 Christian Lavault

We consider the oscillatory integrals with parameter-dependent phases. We decompose the integrals into a leading term and a remainder term. Instead of the pointwise estimate, we use some $L^p$-estimate for the remainder term and get various…

Classical Analysis and ODEs · Mathematics 2024-02-14 Zihua Guo

Integral representations play a prominent role in the analysis of entire functions. The representations of generalized Mittag-Leffler type functions and their asymptotics have been (and still are) investigated by plenty of authors in…

Complex Variables · Mathematics 2017-10-31 Christian Lavault

In this note we study singular oscillatory integrals with linear phase function over hypersurfaces which may oscillate, and prove estimates of $L^2 \mapsto L^2$ type for the operator, as well as for the corresponding maximal function. If…

Classical Analysis and ODEs · Mathematics 2015-05-21 Hayk Aleksanyan , Henrik Shahgholian , Per Sjölin

In this note, by using the result in one variable, we obtain asymptotic expansions of oscillatory integrals for certain multivariable phase functions with {\bf degenerate} singular points. Moreover by using this result, we have asymptotic…

Classical Analysis and ODEs · Mathematics 2020-09-22 Toshio Nagano , Naoya Miyazaki

We consider saddle point integrals in d variables whose phase function is neither real nor purely imaginary. Results analogous to those for Laplace (real phase) and Fourier (imaginary phase) integrals hold whenever the phase function is…

Combinatorics · Mathematics 2009-03-23 Robin Pemantle , Mark Wilson

In this paper the Mittag-Leffler function is given through the exponential functions for any rational derivatives of m/n order, where m<n, n>1 are natural irreducible numbers (if n=1 then m is also equal to unity). Unlike the previous…

Classical Analysis and ODEs · Mathematics 2019-04-30 Fikret A. Aliev , N. A. Aliev , N. A. Safarova

In this paper we survey the properties of the Schelkunoff modification of the Exponential integral and we generalize it with the Mittag-Leffler function. So doing we get a new special function (as far as we know) that may be relevant in…

Complex Variables · Mathematics 2020-04-30 Francesco Mainardi , Enrico Masina

We prove an estimate for spherical functions $\varphi_\lambda(a)$ on $\mathrm{SL}(3,\mathbb{R})$, establishing uniform decay in the spectral parameter $\lambda$ when the group parameter $a$ is restricted to a compact subset of the abelian…

Representation Theory · Mathematics 2022-07-01 Xiaocheng Li

We consider two operations on the Mittag-Leffler function which cancel the exponential term in the expansion at infinity, and generate a completely monotonic function. The first one is the action of a certain differential-difference…

Classical Analysis and ODEs · Mathematics 2013-12-18 Thomas Simon
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