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Laplace transforms which admit a holomorphic extension to some sector strictly containing the right half plane and exhibiting a potential behavior are considered. A spectral order, parallelizable method for their numerical inversion is…

Numerical Analysis · Mathematics 2011-11-10 María López-Fernández , Cesar Palencia , Achim Schädle

Two $(p,q)$-Laplace transforms are introduced and their relative properties are stated and proved. Applications are made to solve some $(p,q)$-linear difference equations.

Classical Analysis and ODEs · Mathematics 2017-03-07 P. Njionou Sadjang

In this paper we study the inverse Laplace transform. We first derive a new global logarithmic stability estimate that shows that the inversion is severely ill-posed. Then we propose a regularization method to compute the inverse Laplace…

Analysis of PDEs · Mathematics 2023-04-18 Pierre Maréchal , Faouzi Triki , Walter C. Simo Tao Lee

In this article, we obtain the analytic continuation of the multiple shifted Lucas zeta function, multiple Lucas $L$-function associated to Dirichlet characters and additive characters. We then compute a complete list of exact singularities…

Number Theory · Mathematics 2020-04-02 Nabin Kumar Meher , Sudhansu Sekhar Rout

Some relations involving the Mellin and Laplace transforms of powers of the classical Hardy function $$ Z(t) := \zeta(1/2+it)\bigl(\chi(1/2+it)\bigr)^{-1/2}, \quad \zeta(s) = \chi(s)\zeta(1-s) $$ are obtained. In particular, we discuss some…

Number Theory · Mathematics 2012-12-07 Aleksandar Ivić

We solve a weakly singular integral equation by Laplace transformation over a finite interval of R. The equation is transformed into a Cauchy integral equation, whose resolution amounts to solving two Fredholm integral equations of the…

Astrophysics · Physics 2007-05-23 B. Rutily , L. Chevallier

The z-zeros of the modified Bessel function of the third kind K_{nu}(z), also known as modified Hankel function or Macdonald function, are considered for arbitrary complex values of the order nu. Approximate expressions for the zeros,…

Classical Analysis and ODEs · Mathematics 2007-11-06 Erasmo M. Ferreira , Javier Sesma

The Mittag-Leffler function is computed via a quadrature approximation of a contour integral representation. We compare results for parabolic and hyperbolic contours, and give special attention to evaluation on the real line. The main point…

Numerical Analysis · Mathematics 2022-08-09 William McLean

We consider the inverse problem for periodic sl(2) lattices as a canonical transformation from the separation to local variables. A new concept of a factorized separation chain is introduced allowing to solve the inverse problem explicitly.…

Exactly Solvable and Integrable Systems · Physics 2016-11-23 Vadim B. Kuznetsov

Decimal expansions of classical constants such as $\sqrt2$, $\pi$ and $\zeta(3)$ have long been a source of difficult questions. In the case of Laurent series with coefficients in a finite field, where no carry-over difficulties appear, the…

Number Theory · Mathematics 2010-01-15 Alina Firicel

We give an example of a Laplace transform $\int_\gamma e^{\zeta z} d\mu(\zeta)$ that does not have regular growth. This answers a question in Hayman's List

Complex Variables · Mathematics 2026-04-15 Jan Wiegerinck

Let $\gamma_{-1}$ be the absolutely continuous measure on $\mathbb{R}^n$ whose density is the reciprocal of a Gaussian and consider the natural weighted Laplacian $\mathcal{A}$ on $L^2(\gamma_{-1})$. In this paper, we prove boundedness and…

Functional Analysis · Mathematics 2018-01-30 Tommaso Bruno

In this paper we examine the existence of bicomplexified inverse Fourier transform as an extension of its complexified inverse version within the region of convergence of bicomplex Fourier transform. In this paper we use the idempotent…

Complex Variables · Mathematics 2015-11-05 A. Banerjee , S. K. Datta , Md. A. Hoque

We recall the main facts about the odd Laplacian acting on half-densities on an odd symplectic manifold and discuss a homological interpretation for it suggested recently by P. {\v{S}}evera. We study the relationship of odd symplectic…

Differential Geometry · Mathematics 2019-01-08 Hovhannes M. Khudaverdian , Theodore Th. Voronov

We give a new and very concise proof of the existence of a holomorphic continuation for a large class of twisted multivariable zeta functions. To do this, we use a simple method of "decalage" that avoids using an integral representation of…

Number Theory · Mathematics 2007-05-23 Marc De Crisenoy , Driss Essouabri

In this paper, we obtain the meromorphic continuation of a q-analogue of multiple zeta function using an elementary formula called translation formula. We then obtain the matrix representation of the translation formula and using it, we…

Number Theory · Mathematics 2026-02-03 Nita Tamang , Pitu Sarkar

We prove the converse of Yano's extrapolation theorem for translation invariant operators.

Functional Analysis · Mathematics 2007-05-23 Terence Tao

We introduce generalized multipliers for left-invertible operators which formal Laurent series $U_x(z)=\sum_{n=1}^\infty(P_ET^{n}x) \frac{1}{z^n}+\sum_{n=0}^\infty(P_E{T^{\prime*}}^{n}x)z^n$ actually represent analytic functions on an…

Functional Analysis · Mathematics 2025-05-12 Pawel Pietrzycki

The analytic properties of the standard twist $F(s,\alpha)$, where $F(s)$ belongs to a wide class of $L$-functions, are of prime importance in describing the structure of the Selberg class. In this paper we present a deeper study of such…

Number Theory · Mathematics 2022-02-08 J. Kaczorowski , A. Perelli

Regularity of the transform of Laplace in the opened area of 0 is proved with help of some methods of the transform of Fourier. The class of the transform of Laplace from the transform of Fourier is considered from some functions without a…

General Mathematics · Mathematics 2019-04-15 Andrei V Pavlov-Maxorin
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