Sultan Ali Mohammed Salem

Faculty member

Associate Professor
College of Science and Arts
mathematics

 

Working in the field of probability and mathematical statistics

0175428888
info@nu.edu.sa

Qualifications

Academic qualifications: Obtained:
1) Associate Professor degree/Statistics: Hodeidah University, Yemen, April - 2007 .
2) Ph.D /Statistics: University of Mosul, Iraq, October 2000.
3) Master’s degree /Statistics: University of Mosul, Iraq, January 1997.
4) Bachelor’s degree / Mathematics: Sana’a University, Yemen, August 1989 .

Experiences

  • Associate Professor | Najran University, Kingdom of Saudi Arabia | October 2010 – Present
    • Teaching advanced statistics and mathematics courses for undergraduate and postgraduate students.
    • Actively participating as a member in numerous scientific and professional committees at both department and college levels.
    • Conducting scientific research and developing academic plans and curricula within the department.
  • Associate Professor / Assistant Professor | Hodeidah University, Yemen | October 2000 – October 2010
    • Delivering academic lectures and supervising student research projects and scientific activities.
  • Teaching Assistant | College of Education in Hodeidah, Yemen | 1991 – 1994
    • Assisting faculty members in delivering practical lessons and managing lab/tutorial sessions.
  • Mathematics Teacher | Abdul Nasser High School, Amanat Al-Asimah | 1989 – 1991
    • Teaching mathematics curricula for high school students and grounding them in fundamental mathematical concepts.

Specialties and Skills

There are different fields that he performs, including: the field of teaching - the field of scientific research - the field of technical skills - the field of participation in department and college committees - public lectures - participation in academic events - ethics and professional commitment - community service.

Training Courses

He participated in a number of training courses and workshops specialized in developing academic and professional performance. He also attended scientific conferences that contributed to expanding his knowledge and deepening his experience in the fields of scientific research and university teaching.

Scientific Research

Research since 2020 AD:
1-  Kalman filter of dynamic hierarchical model. European Scientific Journal August 2020 edition Vol. 16, No.24 ISSN:1857-7881(Print) e – ISSN 1857-7431, 2020.
2- Modeling of production process with inspection policy in terms of time. nternational Journal of Mathematics and Statistics Research, Vol.9.Issue.3, 2021.
3- Assessing the size of shadow economic activity in Malaysia based on the modified money demand model approach with structural break. Asian Journal of Economic Modelling. DOI: 10.55493/5009.v12i4.5220 Vol. 12, No. 4, 216-236. 2024 AESS Publications. All Rights Reserved.
4- Investigating the effect of the shadow economy on Malaysia’s economic growth: Insight from a nonlinear perspective. Asian Economic and Financial Review. DOI: 10.55493/5002.v15i2.5290 Vol. 15, No. 2, 182-195. © 2025 AESS Publications. All Rights Reserved.
5- The Role of the Underground Economy in the Oil Wealth-Growth Nexus: New Insight from Nigeria. Organizations and Markets in Emerging Economies. DOI: https://doi.org/10.15388/omee.2025.16.8. 2025, vol. 16, no. 1(32), pp. 193–21.
6- Threshold effects of digital transformation on economic growth in the UAE: Evidence from a Kuznets Curve analysis (G-DTKC), DOI: 10.55493/5002.v16i6.6079, 2026 , Vol. 16, No. 6, 60-74.
7- Macroeconomic drivers of digital transformation adoption in the UAE. DOI: 10.18488/29.v13i3.5133, 2026 Vol. 13, No. 3, pp. 194-212.

Supervising academic theses: Supervise the following master’s theses, in the Department of Mathematics - College of Science and Arts - Najran University - Saudi Arabia
 (1) Kalman filter of some dynamic linear models.
 (2)Dynamic hierarchical linear models with Kalman's filter.
 (3) Bayesian inference and dynamic models with modelling of production processes.
(4)Bayesian filtering and smoothing of first order dynamic linear model

Teaching courses:
Teaching Experience: He taught the following courses:
Bachelor’s Degree: Introduction to Statistics and Probability, Probability Theory,  Mathematical Statistics, Statistics and Probability, Probability and Engineering Statistics, Applied Statistics, Econometrics, Descriptive Statistics, Analytical Statistics, Complex Variable Theory, Linear Algebra and its Applications,  Calculus (3), Calculus  (2), Finite Mathematics, Pure Mathematics (1), Pure Mathematics (2), Mathematics for Administrative Sciences,  Introduction to Integral Calculus.
Master: Probability Theory, Mathematical Statistics, Advanced Probability Theory, Selected Topics in Probability.

Office Hours

 

  8-9 9-10 10-11 11-12 12-1 1-2
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