Ghaziyah Alsahli | Functional analysis | Best Researcher Award

Dr. Ghaziyah Alsahli | Functional analysis | Best Researcher Award

Jouf university, Saudi Arabia

Profile

ORCID

🎓 Early Academic Pursuits

Dr. Ghaziyah Al-Sahli began her academic journey with a B.Sc. in Mathematics from Jouf University in 2006, where her foundational knowledge and interest in mathematical theories took root. She furthered her expertise by earning an M.Sc. in Mathematics from King Saud University in 2017, delving deeper into advanced mathematical structures and abstract reasoning. Her academic rigor culminated in a Ph.D. in Mathematics from King Abdulaziz University in 2024, with her doctoral research focusing on proximity point theory and iterative schemes, especially in applications related to recycling systems and health sciences.

👩‍🏫 Professional Endeavors

Dr. Al-Sahli has served at Jouf University for over a decade, transitioning from Lecturer and Researcher (2009–2024) to Assistant Professor in 2024. In her current role within the Department of Mathematics at the College of Science, she teaches both undergraduate and graduate-level courses, supervises student theses, and spearheads research in best proximity points and convergence algorithms. Her academic leadership extends to participation in curriculum development and involvement in university committees, contributing meaningfully to institutional growth and innovation.

🔬 Contributions and Research Focus

An established scholar in fixed point theory, proximity point methods, and iterative algorithms, Dr. Al-Sahli has carved a niche in analyzing and designing mathematical frameworks that have real-world applications in health sciences, optimization, and recycling models. Her body of work includes in-depth explorations of rational contractions, perturbed metric spaces, multi-cubic mappings, and functional equations—each aimed at enriching mathematical understanding and its interdisciplinary applications.

🌍 Impact and Influence

Dr. Al-Sahli's influence extends beyond the classroom and journal pages. She is a frequent presenter at international mathematics conferences, including sessions in Romania, India, and Saudi Arabia. Her presence in global academic circles highlights her role as a thought leader in her discipline. She is a consultant project manager for the Ecosphere Initiative and an active member of the Heritage Initiative Working Group, showcasing her commitment to environmental and cultural sustainability through science and education.

📚 Academic Citations and Publications

Her prolific publication record reflects her active engagement in scholarly dialogue. Notable papers include:

  • “Convergence Theorems for Minimization of Best Proximity Points” (2024)

  • “Convergence of an Iterative Scheme for Reich Type Non-self Nonexpansive Mappings” (2024)

  • “On Rational Contractions in Perturbed Metric Spaces” (2025)

  • “On Approximate Multi-Cubic Mappings in 2-Banach Spaces” (2025)
    In addition to publishing in indexed journals, she has also contributed to two upcoming books focused on the applications of fixed point theory, further cementing her scholarly presence.

đź§  Technical & Research Skills

Dr. Al-Sahli combines theoretical rigor with technical fluency. She is proficient in Matlab and other mathematical tools essential for modeling, simulation, and analytical verification. Her skill set supports her innovative work in developing iterative algorithms and convergence schemes, which are foundational to many modern scientific challenges.

👩‍🏫 Teaching and Mentorship Experience

Dr. Al-Sahli’s teaching philosophy revolves around clarity, rigor, and student engagement. Her courses in pure and applied mathematics are complemented by active mentorship of graduate students, especially in thesis supervision and research design. She fosters a collaborative learning environment and encourages critical thinking and inquiry-based learning.

🌟 Leadership, Legacy & Future Contributions

With a Leadership Certificate in Change Leadership (LC-CBP) and active involvement in scientific workshops, Dr. Al-Sahli embodies the role of an academic leader who bridges research, education, and community development. Her membership in the Mathematics Association at King Saud University (2025–present) and ongoing volunteer work point to a future rich in contributions to both national and international mathematical communities. She is poised to lead transformative educational initiatives and further interdisciplinary applications of mathematics.

Selected Publications

  • Title: On rational contractions in perturbed metric spaces
    Authors: Ghaziyah Al-Sahli
    Journal: (Not specified)
    Year: 2025

  • Title: On perturbed s-contractions
    Authors: Ghaziyah Al-Sahli
    Journal: (Not specified)
    Year: 2025

  • Title: Fixed point results on interpolative metric spaces via Aimuation functions
    Authors: Ghaziyah Al-Sahli
    Journal: (Not specified)
    Year: 2025

  • Title: A system of generalized quadratic functional equations and fuzzy difference results
    Authors: Ghaziyah Al-Sahli
    Journal: (Not specified)
    Year: 2025

  • Title: Approximation of two systems of radical functional equations related to quadratic and quartic mappings
    Authors: Ghaziyah Al-Sahli
    Journal: (Not specified)
    Year: 2025

Prof. Ping-Feng Xu | Mathematical Statistics | Best Researcher Award

Prof. Ping-Feng Xu | Mathematical Statistics | Best Researcher Award

Northeast Normal University, China.

Ping-Feng Xu is the Deputy Dean at Northeast Normal University, specializing in complex network analysis, graphical models, causal inference, educational statistics, and psychological measurement. He earned his degree in Probability Theory and Mathematical Statistics from Northeast Normal University in 2010. He has held visiting positions at Hong Kong Baptist University, University of Wisconsin-Madison, Hang Seng School of Management, and Hang Seng University of Hong Kong. With a strong research background, he has contributed significantly to structural learning, latent variable selection, and high-dimensional graphical models.

Profile

Orcid

Education 🎓

Prof. Ping-Feng Xu completed his undergraduate studies at Northeast Normal University in 2010, where he majored in Probability Theory and Mathematical Statistics. Following his academic foundation, he expanded his research and professional experience through visiting scholar positions at several prestigious institutions. These include Hong Kong Baptist University, where he gained insights into advanced statistical methods, University of Wisconsin-Madison, which enhanced his expertise in complex network analysis, Hang Seng School of Management in Hong Kong, and Hang Seng University of Hong Kong, where he collaborated on projects involving educational statistics and causal inference.

Experience 🏫

Prof. Ping-Feng Xu currently serves as the Deputy Dean at Northeast Normal University, where he plays a key role in academic leadership and research direction. His professional contributions extend beyond the university, as he holds influential positions in major academic organizations. Since April 2023, he has been the Vice Chairman of the Education Statistics and Management Branch of the Chinese Society of Applied Statistics, where he helps shape the development of statistical education in China. Additionally, he has served as the Executive Director of the Data Science and Artificial Intelligence Branch of the same society since March 2018, working to promote the integration of data science and AI in applied statistics.

Research Interests 🔬

Complex Network Analysis

Graphical Models

Causal Inference

Educational Statistics

Psychological Measurement

Awards & Recognitions 🏆

Vice Chairman, Education Statistics and Management Branch, Chinese Society of Applied Statistics

Executive Director, Data Science and Artificial Intelligence Branch, Chinese Society of Applied Statistics

Selected Publications 📚

The Improved EMS Algorithm for Latent Variable Selection in M3PL Model
Applied Psychological Measurement (2025)
Contributors: Laixu Shang, Ping-Feng Xu, Na Shan, Man-Lai Tang, Qian-Zhen Zheng

Fitting Penalized Estimator for Sparse Covariance Matrix with Left-Censored Data by the EM Algorithm
Mathematics (2025)
Contributors: Shanyi Lin, Qian-Zhen Zheng, Laixu Shang, Ping-Feng Xu, Man-Lai Tang

Bayesian Adaptive Lasso for the Detection of Differential Item Functioning in Graded Response Models
Journal of Educational and Behavioral Statistics (2024)
Contributors: Na, Ping-Feng Xu

A Generalized Expectation Model Selection Algorithm for Latent Variable Selection in Multidimensional Item Response Theory Models
Statistics and Computing (2024)
Contributors: Laixu Shang, Qian-Zhen Zheng, Ping-Feng Xu, Na Shan, Man-Lai Tang

Transmission Mechanisms of Geopolitical Risks to the Crude Oil Market—A Pioneering Two-Stage Geopolitical Risk Analysis Approach
Energy (2023)
Contributors: Jing-Wen Jiao, Jun-Ping Yin, Ping-Feng Xu, Juan Zhang, Yuan Liu