Semyon Yakubovich

Faculdade de Ciências da Universidade do Porto

.
2023

Identities for combinatorial sums involving trigonometric functions

Integral Transforms and Special Functions | 2023 | article
2023

Upper bounds and asymptotic expansion for Macdonald's function and the summability of the Kontorovich-Lebedev integrals

Integral Transforms and Special Functions | 2023 | article
2022

A modification of the Prudnikov and Laguerre polynomials

Integral Transforms and Special Functions | 2022 | article
2022

Convolution-Like Structures on Multidimensional Spaces

Lecture Notes in Mathematics | 2022 | incollection

M Guerra

R Sousa

2022

Convolution-like Structures, Differential Operators and Diffusion Processes

Lecture Notes in Mathematics | 2022 | incollection

M Guerra

R Sousa

2022

Discrete Fourier-Jacobi transform

Integral Transforms and Special Functions | 2022 | article
2022

Discrete index transformations with squares of Bessel functions

Integral Transforms and Special Functions | 2022 | article
2022

Discrete orthogonal polynomials associated with Macdonald functions

Ramanujan Journal | 2022 | article
2022

Generalized Convolutions for Sturm-Liouville Operators

Lecture Notes in Mathematics | 2022 | incollection

M Guerra

R Sousa

2022

Introduction

Lecture Notes in Mathematics | 2022 | incollection

M Guerra

R Sousa

2022

Introduction

Convolution-like Structures, Differential Operators and Diffusion Processes - Lecture Notes in Mathematics | 2022 | incollection

M Guerra

R Sousa

2022

On the theory of orthogonal polynomials for the weight x(nu) exp (-x - t/x). I

Integral Transforms and Special Functions | 2022 | article
2022

On the theory of orthogonal polynomials for the weight x(v) exp(-x - t/x). II

Integral Transforms and Special Functions | 2022 | article
2022

Preface

Lecture Notes in Mathematics | 2022 | misc

M Guerra

R Sousa

2022

Preliminaries

Lecture Notes in Mathematics | 2022 | incollection

M Guerra

R Sousa

2022

Product formulas and convolutions for Laplace-Beltrami operators on product spaces: beyond the trivial case

Mathematische Annalen | 2022 | article

M Guerra

R Sousa

2022

The Whittaker Convolution

Lecture Notes in Mathematics | 2022 | incollection

M Guerra

R Sousa

2021

A method of composition orthogonality and new sequences of orthogonal polynomials and functions for non-classical weights

Journal of Mathematical Analysis and Applications | 2021 | article
2021

A unified construction of product formulas and convolutions for Sturm-Liouville operators

Analysis and Mathematical Physics | 2021 | article

M Guerra

R Sousa

2021

Discrete index transformations with Bessel and Lommel functions

Journal of Analysis | 2021 | article
2021

Discrete Index Whittaker Transforms

Results in Mathematics | 2021 | article
2021

Discrete Kontorovich-Lebedev transforms

Ramanujan Journal | 2021 | article
2021

Discrete Lebedev-Skalskaya transforms

Integral Transforms and Special Functions | 2021 | article
2021

Discrete Lebedev's index transforms

Rendiconti Del Circolo Matematico Di Palermo | 2021 | article
2021

Levy Processes With Respect To the Whittaker Convolution

Transactions of the American Mathematical Society | 2021 | article

M Guerra

R Sousa