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Continuing a series of articles in the past few years on creative telescoping using reductions, we adapt Trager's Hermite reduction for algebraic functions to fuchsian D-finite functions and develop a reduction-based creative telescoping…

Symbolic Computation · Computer Science 2016-11-23 Shaoshi Chen , Mark van Hoeij , Manuel Kauers , Christoph Koutschan

Hermite reduction is a classical algorithmic tool in symbolic integration. It is used to decompose a given rational function as a sum of a function with simple poles and the derivative of another rational function. We extend Hermite…

Symbolic Computation · Computer Science 2023-06-12 Alin Bostan , Frédéric Chyzak , Pierre Lairez , Bruno Salvy

Continuing a series of articles in the past few years on creative telescoping using reductions, we develop a new algorithm to construct minimal telescopers for algebraic functions. This algorithm is based on Trager's Hermite reduction and…

Symbolic Computation · Computer Science 2016-02-02 Shaoshi Chen , Manuel Kauers , Christoph Koutschan

Bronstein's lazy Hermite reduction is a symbolic integration technique that reduces algebraic functions to integrands with only simple poles without the prior computation of an integral basis. We sharpen the lazy Hermite reduction by…

Symbolic Computation · Computer Science 2021-02-16 Shaoshi Chen , Lixin Du , Manuel Kauers

We study integration in a class of Hilbert spaces of analytic functions defined on the $\mathbb{R}^s$. The functions are characterized by the property that their Hermite coefficients decay exponentially fast. We use Gauss-Hermite…

Numerical Analysis · Mathematics 2014-03-21 Christian Irrgeher , Peter Kritzer , Gunther Leobacher , Friedrich Pillichshammer

We introduce a canonical form for reduced bases of integral closures of discrete valuation rings, and we describe an algorithm for computing a basis in reduced normal form. This normal form has the same applications as the Hermite normal…

Number Theory · Mathematics 2016-04-25 Nathália Moraes de Oliveira , Enric Nart

We present a reduction algorithm that simultaneously extends Hermite's reduction for rational functions and the Hermite-like reduction for hyperexponential functions. It yields a unique additive decomposition and allows to decide…

Symbolic Computation · Computer Science 2013-01-23 Alin Bostan , Shaoshi Chen , Frédéric Chyzak , Ziming Li , Guoce Xin

This work proposes a basis for improved throughput of matrix-free evaluation of discontinuous Galerkin symmetric interior penalty discretizations on hexahedral elements. The basis relies on ideas of Hermite polynomials. It is used in a…

Numerical Analysis · Mathematics 2019-07-22 Martin Kronbichler , Katharina Kormann , Niklas Fehn , Peter Munch , Julius Witte

This paper presents new fast algorithms for Hermite interpolation and evaluation over finite fields of characteristic two. The algorithms reduce the Hermite problems to instances of the standard multipoint interpolation and evaluation…

Symbolic Computation · Computer Science 2018-07-03 Nicholas Coxon

We propose a differential analog of the notion of integral closure of algebraic function fields. We present an algorithm for computing the integral closure of the algebra defined by a linear differential operator. Our algorithm is a direct…

Symbolic Computation · Computer Science 2015-07-01 Manuel Kauers , Christoph Koutschan

The search for a canonical set of eigenvectors of the discrete Fourier transform has been ongoing for more than three decades. The goal is to find an orthogonal basis of eigenvectors which would approximate Hermite functions -- the…

Classical Analysis and ODEs · Mathematics 2015-02-02 Alexey Kuznetsov

In this paper, we propose Hermite collocation method for solving Thomas-Fermi equation that is nonlinear ordinary differential equation on semi-infinite interval. This method reduces the solution of this problem to the solution of a system…

Numerical Analysis · Mathematics 2016-04-07 Fattaneh Bayatbabolghani , Kourosh Parand

This paper deals with some special integral transforms of Bargmann-Fock type in the setting of quaternionic valued slice hyperholomorphic and Cauchy-Fueter regular functions. The construction is based on the well-known Fueter mapping…

Complex Variables · Mathematics 2019-10-02 Kamal Diki , Rolf Sören Krausshar , Irene Sabadini

The Hermite-Korkine-Zolotarev reduction plays a central role in strong lattice reduction algorithms. By building upon a technique introduced by Ajtai, we show the existence of Hermite-Korkine-Zolotarev reduced bases that are arguably least…

Number Theory · Mathematics 2008-01-24 Guillaume Hanrot , Damien Stehlé

In this paper, a polynomial-time algorithm is given to compute the generalized Hermite normal form for a matrix F over Z[x], or equivalently, the reduced Groebner basis of the Z[x]-module generated by the column vectors of F. The algorithm…

Symbolic Computation · Computer Science 2016-07-22 Rui-Juan Jing , Chun-Ming Yuan , Xiao-Shan Gao

Using normalized Hermite functions, we construct bases in the space of square integrable functions on the unit circle ($L^2(\mathcal C)$) and in $l_2(\mathbb Z)$, which are related to each other by means of the Fourier transform and the…

Mathematical Physics · Physics 2021-05-14 Enrico Celeghini , Manuel Gadella , Mariano. A. del Olmo

There exist many ways to build an orthonormal basis of $\mathbb{R}^N$, consisting of the eigenvectors of the discrete Fourier transform (DFT). In this paper we show that there is only one such orthonormal eigenbasis of the DFT that is…

Classical Analysis and ODEs · Mathematics 2017-06-28 Alexey Kuznetsov , Mateusz Kwaśnicki

The object of this paper is to investigate the certain results involving Bateman's matrix polynomials for integral index. We obtain some properties, integral representation and recurrence relations for hypergeometric matrix function. We…

General Mathematics · Mathematics 2024-07-18 Ghazi S. Khammash , Shimaa I. Moustafa , Shahid Mubeen , Saralees Nadarajah , Ayman Shehata

This study presents the derivation of a recursive formula for integrals of products of $N$ Hermite polynomials, establishing a numerically stable scheme for their accurate evaluation in computer codes. The derivation is notably simple and…

Quantum Physics · Physics 2026-02-25 Tran Duong Anh-Tai , Phan Quang Son , Le Minh Khang , Nguyen Duy Vy , Vinh N. T. Pham

In this work we introduce a new algebra of tempered generalized functions. The tempered distributions are embedded in this algebra via their Hermite expansions. The Fourier transform is naturally extended to this algebra in such a way that…

Functional Analysis · Mathematics 2010-07-01 P. Catuogno , C. Olivera
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