Martha Jimenez Martinez | Graph Theory | Best Research Article Award

Dr. Martha Jimenez Martinez | Graph Theory | Best Research Article Award

Pedagogical and Technological University of Colombia | Colombia

Dr. Martha Jimenez Martinez is a distinguished clinical psychologist and academic with extensive experience in research, teaching, and program development. She began her professional career at the Foundation for Family and Community Strengthening as a Clinical Psychologist from 1998 to 2000. Since 2001, she has served as a Full Professor at the Pedagogical and Technological University of Colombia in the School of Psychology, specializing in Clinical Psychology and Basic Psychological Processes. Her leadership roles include Director of the Research Center (2009–2010), Director of the School of Psychology (2010–2012), and designer and coordinator of the Diploma in Training of Early Childhood Educational Agents (2011). She also formulated and coordinated the Comprehensive Early Childhood Care Program in collaboration with the Colombian Ministry of National Education (2010–2012) and leads the research group Psychological Measurement and Evaluation in Basic and Applied Contexts. A Senior Researcher in the latest Colciencias 2024 classification, she is an active member of the International Sex Survey Consortium since 2020. Dr. Martinez holds a Psychology degree from the Catholic University of Colombia, a Master’s in Behavior Therapy from UNED, Madrid, an IT and Multimedia specialization from Los Libertadores University Foundation, and a PhD in Applied Cognitive Neuroscience from Maimonides University, Argentina. She is currently pursuing postdoctoral studies in Social Sciences, Childhood, and Youth, and has completed international training, including a scholarship from Israel on “Children at Risk in Early Childhood” and an English immersion course at the University of Saint Thomas, USA. She is also the recipient of the prestigious Orchids Women in Science Scholarship 2024–2025 from the Colombian Ministry of Science and Technology.

Profiles: Scopus

Featured Publications

"Cross-cultural Validation of the Arizona Sexual Experience Scale (ASEX) in 42 Countries and 26 Languages", Martha Jimenez Martinez, Sexuality Research and Social Policy, 2025.

"Evaluating the factor structure and measurement invariance of the 20-item short version of the UPPS-P Impulsive Behavior Scale across multiple countries, languages, and gender identities", Martha Jimenez Martinez, Assessment, 2025

Rao Li | Hamiltonian Graph | Best Researcher Award

Prof. Dr. Rao Li | Hamiltonian Graph | Best Researcher Award

Professor at University of South Carolina Aiken, United States📖

Dr. Rao Li is a distinguished professor in the Department of Computer Science, Engineering, and Mathematics at the University of South Carolina Aiken, with extensive experience in teaching, research, and academic leadership. His expertise spans graph theory, algorithm design, network science, and programming, making significant contributions to the fields of mathematics and computer science. He has served five terms as the Bridgestone/Firestone SC Endowed Professor for Mathematics and Computer Science and is dedicated to mentoring students and advancing computational research.

Profile

Scopus Profile

Google Scholar Profile

Education Background🎓

  • Ph.D. in Mathematical Science (Graph Theory)
    University of Memphis, Memphis, TN (1999)
    Dissertation: Hamiltonian Properties of Claw-Free or Clawlike-Free Graphs
  • M.S. in Mathematical Science (Computer Science)
    University of Memphis, Memphis, TN (1999)
    Thesis: A Polynomial-Time Algorithm for Finding the Independence Number of a Special Class of Graphs
  • M.A. in Mathematics
    University of Pittsburgh, Pittsburgh, PA (1994)
  • M.S. in Applied Mathematics (Graph Theory)
    Harbin Institute of Technology, China (1988)
    Thesis: The Studies of Hamilton Problem in Graph Theory
  • B.S. in Mathematics
    Huaibei Normal University, China (1985)

Professional Experience🌱

Dr. Li has been a faculty member at the University of South Carolina Aiken since 2001, where he has progressed from tenure-track assistant professor to full professor. He has taught an extensive range of courses, including cryptography, algorithm design, mobile computing, and graph theory. His previous roles include tenure-track assistant professor at Georgia Southwestern State University and teaching positions at the University of Memphis, University of Pittsburgh, and Liaoning University of Petroleum and Chemical Technology in China. His teaching integrates cutting-edge tools like TI-83 calculators, Java programming, and Android application development.

Research Interests🔬

Dr. Li’s research focuses on:

  • Graph Theory: Hamiltonian properties, chromatic numbers, Zagreb index, and spectral graph theory.
  • Algorithm Design: Variants of the longest common subsequence problem and algorithmic graph theory.
  • Network Science: Centrality measures, spectral clustering algorithms, and latent semantic indexing.
  • Machine Learning: Principal component analysis and singular value decomposition for neural networks.

Author Metrics

Dr. Rao Li is a prolific researcher with a robust academic footprint, as evidenced by his author metrics. His works have garnered over 300 citations, reflecting their impact and relevance in the fields of mathematics and computer science. With an h-index exceeding 10 and an i10-index of 10+, Dr. Li’s contributions are well-recognized in areas such as graph theory, algorithm design, and network science. His publications, featured in esteemed journals and conferences, underscore his commitment to advancing research and addressing complex computational problems. These metrics highlight his influence as a thought leader in his domain.

Publications Top Notes 📄

1. Lower Bounds for the Kirchhoff Index

  • Author: Rao Li
  • Journal: MATCH Communications in Mathematical and Computer Chemistry
  • Volume: 70
  • Pages: 163-174
  • Year: 2013
  • Citations: 36
  • Summary: This paper derives new lower bounds for the Kirchhoff index, a key graph invariant used in chemistry and network theory. The results have significant applications in understanding resistance distances.

2. Some Lower Bounds for Laplacian Energy of Graphs

  • Author: Rao Li
  • Journal: International Journal of Contemporary Mathematical Sciences
  • Volume: 4
  • Issue: 5
  • Pages: 219-223
  • Year: 2009
  • Citations: 26
  • Summary: The paper investigates lower bounds for the Laplacian energy of graphs, advancing the study of spectral properties and energy computations in graph structures.

3.  A New Sufficient Condition for Hamiltonicity of Graphs

  • Author: Rao Li
  • Journal: Information Processing Letters
  • Volume: 98
  • Issue: 4
  • Pages: 159-161
  • Year: 2006
  • Citations: 22
  • Summary: This work provides a new sufficient condition for Hamiltonicity in graphs, contributing to the understanding of graph traversal and cycles.

4. Harary Index and Some Hamiltonian Properties of Graphs

  • Author: Rao Li
  • Journal: AKCE International Journal of Graphs and Combinatorics
  • Volume: 12
  • Issue: 1
  • Pages: 64-69
  • Year: 2015
  • Citations: 19
  • Summary: This paper links the Harary index, a graph invariant, to Hamiltonian properties, offering insights into graph connectivity and design.

5. The First Zagreb Index and Some Hamiltonian Properties of the Line Graph of a Graph

  • Authors: Rao Li and M.M. Taylor
  • Journal: Journal of Discrete Mathematical Sciences and Cryptography
  • Volume: 20
  • Issue: 2
  • Pages: 445-451
  • Year: 2017
  • Citations: 18
  • Summary: The research connects the first Zagreb index to Hamiltonian properties of line graphs, contributing to both theoretical and practical aspects of graph theory.

Conclusion

Dr. Rao Li’s extensive contributions to graph theory, his robust academic metrics, and his commitment to interdisciplinary research make him a strong contender for the Best Researcher Award. His work demonstrates a balance of theoretical rigor and practical application, which is essential for advancing computational and mathematical sciences. While he already excels in his domain, expanding collaborations and integrating his research with emerging fields could elevate his profile further.

Recommendation: Dr. Rao Li is not only a suitable candidate but an exemplar of research excellence, deserving recognition for his sustained contributions to mathematics and computer science.