home - Rashad Mudhish Ali Hezam Asharabi
Rashad M. Asharabi
Professor
Department of Mathematics
College of Arts and Sciences
Specialized in Mathematical Analysis with an interest in one and multi-dimensional sampling series in the complex plane, with applications in approximation.

Qualifications
-Ph. D. in Pure Mathematics, Cairo University, Egypt, 2008.
-M. Sc. in Pure Mathematics, Cairo University, Egypt, 2004.
-B.Sc. in Mathematics, Sana’a University, Yemen, 1995.
Experiences
Academic Experiences
-Full Professor, Department of Mathematics, College of Arts & Sciences, Najran University, Dec 2020 up to Now.
-Associate Professor, Department of Mathematics, College of Arts & Sciences, Najran University, Dec 2016 -Nov 2020.
-Assistant Professor, Department of Mathematics, College of Arts & Sciences, Najran University, Jan 2014 -Nov 2016.
-Postdoctoral Researcher, Institute of Mathematics, University of Lübeck, Germany, Oct 2012 -Nov 2013.
-Assistant Professor, Department of Mathematics, Faculty of Education, Al-Mahweet, Sana'a University, Yemen, Aug 2008 -Oct 2011.
Administration Experiences
-Head of the M.Sc Mathematical Program Development Committee, October 2021 up to now.
-Coordinator of postgraduate studies at the College of Arts & Sciences, Najran University, November 2015 up to now.
-Member of the Postgraduate Programs Unit, Najran University, Najran University, November 2015-November 2019.
-Member of the council of SERC (Scientific and Engineering Research Center), Najran University, April 2019 April 2021.
-Member of the Academic Advising Unit, College Arts & Sciences, Najran University, January 2014 up to now.
-Member of the Quality Unit, Department of Mathematics, Najran University, January 2014 up to now.
-Head of Department of Mathematics in Faculty of Education Al-Mahweet, Sana'a University, Yemen, Mar 2009- Oct 2011.
Specialties and Skills
-Refereeing and editing scientific manuscripts for mathematical journals.
-Supervising scientific theses.
-Lecturer on higher education issues such as:-
1-Postgraduate programs, launching, development, and organization procedures.
2-Promotion criteria and procedures in universities.
3-World university rankings.
-Teaching through e-learing systems like Blackboard efficiently (2015 - up to now).
-Using the Mathematica program efficiently (2003 –up to now).
-Using the Latex program efficiently (2001 – up to now).
Training Courses
Scientific publishing
-International scientific research reviewing skills, Saudi Digital Library, 3/20/2018.
-Scientific quotations and thefts, Saudi Digital Library, 10/13/2018.
-Establishing refereed Journals in the digital environment, Saudi Digital Library, 2/18/2019.
-The publishing industry in the Arabic Universities, Arabic Union Catalog, 10/11/2020.
-The future of free access and educational and research materials in the Arabic World, Arabic Union Catalog, 10/27/2020.
- Writing professional review reports for scientific articles, Saudi Digital Library, 9/13/2021
E-learning
-The skills of electronic content building in the Blackboard, Deanship of E-Learning, King Khalid University, 6/9/2020.
-Detection of plagiarism in assignments and research, Deanship of E-Learning, Najran University, 6/21/2021.
-Application of quality standards in the design of electronic courses, Deanship of E-Learning, Najran University, 6/28/2021.
Quality and Academic Accreditation
-Effective leadership skills in educational institutions, Education & Training Evaluation Commission, 5/12/2018.
-The system for preparing study plans at Najran University, Deanship of Development and Quality - Najran University, 14/1/2019.
-Standards for quality assurance and accreditation for postgraduate programs and the requirements for achieving them, Deanship of Development and Quality - Najran University, 4-5/2/2019.
-Quality assurance standards and academic accreditation, Deanship of Development and Quality - Najran University, 10/27 to 11/2/2020.
-Academic quality practitioner, Education & Training Evaluation Commission, 5-8/12/2020.
List of Publications
A modification of the periodic nonuniform sampling involving derivatives with a Gaussian multiplier RM Asharabi, MQ Khirallah Calcolo 61 (4), 58 |
2024 | ||
Multivariate form of Hermite sampling series RM Asharabi Applied Mathematics-A Journal of Chinese Universities 39 (2), 253-265 |
2024 | ||
A multidimensional Hermite-Gauss sampling formula for analytic functions of several variables RM Asharabi, FH Al-Haddad Numerical Algorithms 96 (1), 105-134 |
2024 | ||
Hyperstability for a Generalized Class of Pexiderized Functional Equations on Monoids via P?les’ Approach RM Asharabi, M Almahalebi Mathematics 12 (6), 838 |
2024 | ||
Periodic nonuniform sinc-Gauss sampling RM Asharabi Filomat 37 (1), 279–292 |
2023 | ||
On multidimensional sinc-Gauss sampling formulas for analytic functions RM Asharabi, FH Al-Haddad Electronic Transactions on Numerical Analysis 55, 242-262 |
2022 |
An Overview of the Computation of the Eigenvalues Using Sinc-Methods MH Annaby, RM Asharabi, MM Tharwat New Sinc Methods of Numerical Analysis: Festschrift in Honor of Frank … |
2021 | ||
Sinc-Gaussian Approach for Solving the Inverse Heat Conduction Problem MH Annaby, RM Asharabi New Sinc Methods of Numerical Analysis: Festschrift in Honor of Frank … |
2021 | ||
Accurate sampling formula for approximating the partial derivatives of bivariate analytic functions RM Asharabi, J Prestin Numerical Algorithms 86 (4), 1421-1441 |
2021 | ||
Error analysis for regularized multidimensional sampling expansions RM Asharabi, FM Al-Abbas Electronic Transactions on Numerical Analysis 52, 320-341 |
2020 | ||
Computing eigenpairs of two-parameter Sturm-Liouville systems using the bivariate sinc-Gauss formula RM Asharabi, J Prestin Communications on Pure & Applied Analysis 19 (8), 4143-4158 |
2020 | ||
Generalized bivariate Hermite–Gauss sampling RM Asharabi Computational and Applied Mathematics 38 (2), 1-21 |
2019 | ||
The use of the sinc-Gaussian sampling formula for approximating the derivatives of analytic functions RM Asharabi Numerical Algorithms 81 (1), 293-312 |
2019 | ||
Derivative sampling expansions for the linear canonical transform: convergence and error analysis MH Annaby, RM Asharabi Journal of Computational Mathematics 37 (3), 431-446 |
2019 | ||
A sinc-Gaussian solver for general second order discontinuous problems MH Annaby, RM Asharabi Japan Journal of Industrial and Applied Mathematics 35 (2), 653-668 |
2018 | ||
Double sampling derivatives and truncation error estimates RM Asharabi, AM Al-Hayzea Applied Mathematics-A Journal of Chinese Universities 33 (2), 209-224 |
2018 | ||
Sinc-interpolants in the energy plane for regular solution, Jost function, and its zeros of quantum scattering MH Annaby, RM Asharabi Journal of Mathematical Physics 59 (1), 013502 |
2018 | ||
The use of the generalized sinc-Gaussian sampling for numerically computing eigenvalues of periodic Dirac system RM Asharabi, MM Tharwat Electronic Transactions on Numerical Analysis 48, 373-386 |
2018 | ||
Approximating eigenvalues of Dirac system with discontinuities at several points using Hermite-Gauss method RM Asharabi, MM Tharwat Numerical Algorithms 76 (3), 655-673 |
2017 | ||
Multiband sampling theorems for Mittag-Leffler transforms bandlimited on rays MH Annaby, RM Asharabi Integral Transforms and Special Functions 28 (10), 732-750 |
2017 | ||
Approximating eigenvalues of boundary value problems by using the Hermite-Gauss sampling method RM Asharabi Electronic Transactions on Numerical Analysis 46, 359–374 |
2017 | ||
Truncation error estimates for generalized Hermite sampling RM Asharabi, HS Al-Abbas Numerical Algorithms 74 (2), 481–497 |
2017 | ||
A bivariate sampling series involving mixed partial derivatives RM Asharabi, HA Al-Haddad Turkish Journal of Mathematics 41, 387 – 403 |
2017 | ||
A Hermite-Gauss method for the approximation of eigenvalues of regular Sturm-Liouville problems RM Asharabi Journal of Inequalities and Applications 2016 (1), 1-10 |
2016 | ||
Generalized sinc-Gaussian sampling involving derivatives RM Asharabi Numerical Algorithms 73 (4), 1055-1072 |
2016 | ||
Bounds for truncation and perturbation errors of nonuniform sampling series MH Annaby, RM Asharabi BIT Numerical Mathematics 56 (3), 807-832 |
2016 | ||
On two-dimensional classical and Hermite sampling RM Asharabi, J Prestin IMA Journal of Numerical Analysis 36 (2), 851-871 |
2016 | ||
A modification of Hermite sampling with a Gaussian multiplier RM Asharabi, J Prestin Numerical Functional Analysis and Optimization 36 (4), 419-437 |
2015 | ||
Error estimates associated with sampling series of the linear canonical transforms MH Annaby, RM Asharabi IMA Journal of Numerical Analysis 35 (2), 931-946 |
2015 | ||
Aliasing error for sampling series derivatives RM Asharabi Sampling Theory in Signal and Image Processing 13 (1), 1-20 |
2014 | ||
Computing eigenvalues of Sturm–Liouville problems by Hermite interpolations MH Annaby, RM Asharabi Numerical Algorithms 60 (3), 355-367 |
2012 | ||
Exact evaluations of finite trigonometric sums by sampling theorems MH Annaby, RM Asharabi Acta Mathematica Scientia 31 (2), 408-418 |
2011 | ||
Truncation, amplitude, and jitter errors on R for sampling series derivatives MH Annaby, RM Asharabi Journal of Approximation Theory 163 (3), 336-362 |
2011 | ||
Error analysis associated with uniform Hermite interpolations of bandlimited functions MH Annaby, RM Asharabi Journal of the Korean Mathematical Society 47 (6), 1299-1316 |
2010 | ||
Approximating eigenvalues of discontinuous problems by sampling theorems MH Annaby, RM Asharabi Walter de Gruyter GmbH & Co. KG 16 (3), 163-183 |
2008 | ||
Computing eigenvalues of boundary-value problems using sinc-Gaussian method MH Annaby, RM Asharabi Sampling Theory in Signal and Image Processing 7 (3), 293-311 |
2008 | ||
On sinc-based method in computing eigenvalues of boundary-value problems MH Annaby, RM Asharabi SIAM journal on numerical analysis 46 (2), 671-690 |
2008 | ||
Postgraduate Courses
Undergraduate Courses
-Partial Differential Equations (Najran University)
-Probability and Engineering Statistics (Najran University)
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الأحد Sunday |
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الاثنين Monday |
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الثلاثاء Tuesday |
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الأربعاء Wednesday |
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الخميس Thursday |