Department of Mathematics and Statistics Minnesota State University, Mankato 273 Wissink Hall Mankato, MN 56001 Office Phone: +1 507-389-2719 ruijun.zhao@mnsu.edu

- Ph.D. Purdue University, 2008
- M.S. and B.S. Nankai University

- Mathematical Biology, Scientific Computing, Applied Mathematics

- Spring 2021
- Math 672 -- Numerical Analysis of Differential Equations
- Office Hours: Mondays/Tuesdays/Thursdays/Fridays 1:00-2:50 pm

- Courses taught in the past at Minnesota State University, Mankato
- Math 112 -- College Algebra
- Math 121 -- Calculus I
- Math 122 -- Calculus II
- Math 223 -- Calculus III
- Math 247 -- Linear Algebra I
- Math 321 -- Ordinary Differential Equations
- Math 470/570 -- Numerical Analysis I
- Math 422/522 -- Partial Differential Equations
- Math 672 -- Numerical Analysis of Differential Equations
- Math 674 -- Computations in Linear Algebra
- ModSim 601 --- Introduction to Modeling and Simulation (team teaching)

- Sho Kawakami (2020), currently PhD student at Northwestern University
- Dilbar Abdurakhimova (2018)
- Hajar Aldhamdi (2017)
- Damilola Olabode (2016), currently PhD student at Washington State University
- Sarah Lanand (2016), Teaching Specialist, University of Minnesota Rochester
- Khaled Alzobydi (2015)
- Lindsay Stepan (2014), Assistant Director of Math and Sciences, Minnesota State University, Mankato
- Nghiep Huynh (2014), Operation Research in U.S. Army Recruiting Command
- Jacob Westman (2014), Research Asssociate at UnitedHealth Group
- Gregory Dosh (2014), Lead Software Engineering Coach at Target

- J. Mohammed-Awel, E. Numfor, R. Zhao, and S. Lenhart
A new mathematical model studying imperfect vaccination: Optimal control analysis.
*J. Math. Anal. Appl.*, 2021, 500(2): 125132. - R. Zhao and S. Kawakami
An Age-Structured Mathematical Model of Malaria with Heterogenous Mosquito Biting Pattern.
*IJAPM*, 2021, 11(1): 9-16. - R. Zhao, Y.-T. Zhang, and S. Chen.
Krylov implicit integration factor WENO method for SIR model with directed diffusion.
*Discrete and Continuous Dynamical Systems - Series B*, 2019, 24(9): 4983-5001. - J. Mohammed-Awel, R. Zhao, E. Numfor, and Suzanne Lenhart.
Management strategies in a malaria model combining human and transmission-blocking vaccines.
*Discrete and Continuous Dynamical Systems - Series B*, 2017, 22(3):977-1000. - R. D. Skeel, R. Zhao, and C. B. Post.
A minimization principle for transition paths of maximum flux for collective variables.
*Theoretical Chemistry Accounts*, 2017, 136:14. - C. N. Ngonghala, J. Mohammed-Awel, R. Zhao, and O. Prosper.
Interplay between insecticide-treated bed-nets and mosquito demography: implications for malaria control.
*J. Theo. Biol.*, 2016, 397, pp 179-192. - C. N. Ngonghala, S. Y. Del Valle, R. Zhao and J. Mohammed-Awel.
Quantifying the impact of decay in bed-net efficacy on malaria transmission.
*J. Theo. Biol.*, 2014, 363, pp 247-261. - R. Zhao and J. Mohammed-Awel.
A Mathematical Model Studying Mosquito-stage Transmission-blocking Vaccines.
*Math. Biosc. and Engin.*, 2014, 11(5), pp 1229-1245. - F. Agusto, S. Y. Del Valle, K. W Blayneh, C. N. Ngonghala, M. J. Goncalves, N. Li, R. Zhao and H. Gong
The Impact of Bed-net Use on Malaria Prevalence.
*J. Theo. Biol.*, 2013, 320, pp 58-65. - H. Huang, R. Zhao, B. M. Dickson, R. D. Skeel and C. B. Post.
AlphaC Helix as a Switch in the Conformational Transition of Src/CDK-like Kinase Domains.,
*J. Phys. Chem. B*, 2012, 116(15), pp 4465-4475. - R. D. Skeel and R. Zhao.
Solving Geometric Two-Point Boundary Value Problems.,
*AIP Conf. Proc.*, 2011, 1389, pp 30-33. - R. Zhao, J. Shen and R. D. Skeel.
Maximum Flux Transition Paths of Conformational Change.,
*J. Chem. Theory Comput.*, 2010, 6(8), pp 2411-2423. - F. A. Milner and R. Zhao.
A New Mathematical Model of Syphilis.,
*Math. Model. Nat. Phenom.*, 5(6) 2010, 96-108. - F. A. Milner and R. Zhao.
S-I-R Model with Directed Spatial Diffusion.,
*Math. Pop. Stud.*, 15 2008, 160-181. - F. A. Milner and R. Zhao
A Deterministic Model of Schistosomiasis with Spatial Structure.,
*Math. Biosc. and Engin.*, 5 2008, 505-522. - R. Zhao and F. A. Milner.
A Mathematical Model of
*Schistosoma mansoni*in*Biomphalaria glabrata*with control strategies.,*Bull. Math. Biol.*, 70 2008, 1886-1905.