Dr. Qinglin (Roger) YuFull Professor | Human Resources & Planning
Email: yu@tru.ca
Phone: 250-371-5552
Interests
Reading, Travelling, Playing Badminton, and Snow Ski
Research Interests
Graph Theory, Discrete Optimization, Data Science and Mathematical Modeling
Education
PhD, 1991; Major: Discrete Math, Simon Fraser University, Canada
MSc, 1985; Major: Operations Research, Shandong University, China
Publications
Selected Publications (2012-2020)
Due to limit of space (only 4000 characters allowed). Selected recent publications are listed below. For
the complete list of publications from 2004 to present (downable pdf files), please go to link
https://yu.sites.tru.ca/publications/
[1] Z. Wu, X. Yang and Q. L. Yu, Factor-criticality of Cartesian products, Graphs and Combin., Vol. 28,
No. 5 (2012), 723-736.
[2] Y. Duan, H. Lu and Q. L. Yu, L-factors and adjacent vertex-distinguishing edge-weighting, East Asia
J Applied Math., Vol. 2, No. 2 (2012), 83-93.
[3] H. Lu, Y. Wu, Y. Lin, Q. L. Yu, C. Balbuena, X. Marcote, On superconnectivity of (4,g cages: the
case of odd g, Graphs and Combin., 29 (2013), no. 1, 105-119.
[4] Y. Zhang, Q. L. Yu and G. Liu, Edge disjoint Hamilton cycles in intersection graphs of bases of
matroids, Utilitas Math., 90 (2013), 327-334.
[5] H. Lu, G. L. Wang and Q. L. Yu, On the existence of general factors in regular graphs, SIAM J.
Discrete Math. Vol. 27, No. 4 (2013), 1862-1869.
[6] T. Wang, Z. Wu and Q. L. Yu, 2-tough graphs and f-factors with given properties, Utilitas Math., 90
(2013), 219-237.
[7] Y. H. Duan, T. Wang, B. G. Xu and Q. L. Yu, On some properties of cages, Ars Combin., 108 (2013)
201-208.
[8] Y. Zan, J. Wu, P. Li and Q. L. Yu, SICR rumor spreading model in complex networks: considering the
self-resistance of networks for rumors, Physica A, 405 (2014) 159-170.
[9] Y. J. Wu and Q. L. Yu, Uniformly weighted star-factors of graphs, Ars Combinatorica, 113 (2014)
391-404.
[10] M. D. Plummer, T. Wang and Q. L. Yu, Matching extension and cyclic connectivity, Graphs and
Combin., Vol. 30, No. 4 (2014) 1003-1011.
[11] Y. H. Duan and Q. L. Yu, Double-twist wheel is Tutte-polynomial unique, Acta Math. Scientia, Series
A, (accepted).
[12] H. Lu and Q. Yu, Generalization of matching extensions in graphs (IV): Closure, Graphs and Combin.
(accepted).
[13] X. Huan, H. Lu and Q. L. Yu, Threshold for matching-covered graphs, Journal of Engineering
Mathematics, 31 (2014), no. 4, 622???632.
[14] Q. L. Yu, L. Wen, A. Jones, and C. Haight, Key Performance Indicators for Electricity Conservation
in Open Pit Mining, Science J. of Applied Math. and Statistics, Vol. 4, No. 2 (2016) 81-87.
[15] H. Lu and Q. Yu, Generalization of matching extensions in graphs (IV): Closure, Graphs and Combin.,
Vol. 32 (2016), 2009-2018.
[16] H. Lu and Q. Yu, Binding Number, Toughness and General Extendability in Graphs, Discrete
Mathematics and Theoretical Computer Science, Vol. 21, No. 3 (2019) #4723.
[17] R. Cao, Y. Ma, H. Li and Q. L. Yu, A study of status and trends of Data Science discipline based on
SCOPUS, Computer and Digital Engineering, Vol. 47, No. 4, (2019), 737-742.
[18] J. Liang, D. Lou, Z. Qin and Q. L. Yu, A polynomial algorithm determining cyclic vertex
connectivity of 4-regular graphs, J. Combinatorial Optimization, Vol. 1, (2019), 1-19.
[19] Yinghong Ma, Xiaoyu Zhu and Qinglin Yu, Clusters detection based leading eigenvector in signed
networks, Physica A: Statistical Mechanics and its Applications, Vol. 523, No. 1, (2019), 1263-1275.
[20] Yinghong Ma, Jiaoyang He, Qinglin Yu, Social Popularity and Achievement: the Case of Table Tennis,
Physica A: Statistical Mechanics and its Applications, Vol. 524, (2019), 235-245.
[21] Y. Guan, J. Lu, H. Li and Q. L. Yu, Measurement and Prediction of College Students' Academic
Achievements Based on Comprehensive Evaluation Model, China Computer & Communication, 18 (2019),
1-3.
[22] H. Lu, M. Kano and Q. L. Yu, Characterizations of graphs G having all [1, k]-factors in kG,
Discrete Math. 342 (2019) 111580.
[23] M. Kano, H. Lu and Q. L. Yu, Graph factors and isolated conditions in graphs, Electronic Journal of
Combi. 26(4) (2019), #P4.33.
[24] Y. Ma, L. Song, Z. Ji, Q. Wang, and Q. Yu, Scholar???s career switch adhesive with research topics:
an evidence from China, Physica A: Statistical Mechanics and its Applications, 557(1) (2020), 124959.
Employment History
Full Professor, Thompson Rivers University, Canada, 2001-present;
Director of Centre for Optimization and Data Science, TRU, 2012-present;
Coordinator of MSc Data Science, TRU, 2018-2022;
Associate Professor, Thompson Rivers University, Canada, 1999-2001;
Adjunct Professor, Simon Fraser University, Canada, 1991-2006;
Senior Research Fellow, Center for Combinatorics, Nankai University, China, 2003-2009;
Adjunct Professor, Shandong University, China, 2009-2017.
Adjunct Professor, University of Newcastle, Australia, 2009-2013;
Assistant Professor, Thompson Rivers University (formerly UCC), Canada, 1991-1999;
Instructor, Simon Fraser University, Canada, 1991;
Lecturer, Shandong University, China, 1985-1986.
Courses Taught
Calculus I-IV, Linear Algebra, Pre-Calculus, Linear Programming, Number Theory, Geometry, Graph Theory, Modelling Optimization, Network Theory, Discrete Math I and II, Introduction to Differential Equations, Introduction to Statistics
Timetable
| Description | Day | Start | End |
|---|---|---|---|
| Math-1170-03 | Monday | 10:30 AM | 11:20 AM |
| Math-1240-SC1 | Monday | 8:30 AM | 9:20 AM |
| Office Hours | Monday | 9:30 AM | 10:20 AM |
| Office Hours | Tuesday | 10:30 AM | 11:20 AM |
| Office Hours | Wednesday | 10:30 AM | 11:20 AM |
| Math-1170-03 | Wednesday | 12:30 PM | 2:00 PM |
| Math-1240-SC1 | Wednesday | 12:30 PM | 1:30 PM |
| Math-1240-SC1 | Wednesday | 8:30 AM | 9:20 AM |
| Math-1170-03 | Thursday | 10:30 AM | 11:20 AM |
| Math-1170-03 | Friday | 10:30 AM | 11:20 AM |
| Math-1240-SC1 | Friday | 8:30 AM | 9:20 AM |
| Office Hours | Friday | 9:30 AM | 10:20 AM |
