个人简述:

2010年、2012年南华大学优秀教师； 2012年获湖南省青年骨干教师。

科研工作:

1999.07—2001.08，湖南永兴县柏林中学教师。2004.07—2005.12，南华大学数理学院助教。2006.01—2010.09，南华大学数理学院讲师。2010.12—至今，南华大学数理学院副教授。2011.04—2013.07，复旦大学数学流动站博士后。[1] Xiaoyou Liu, Youjun Xu, Bogolyubov-type theorem with constraints generated by a fraction control system, 19(2016), no.1, 94-115. (通讯作者)[2]Youjun Xu, Xiaoyou Liu, Some boundary value problems of fractional differential equations with fractional impulsive conditions J. Compution analysis and applictions, 19(2015), no.3, 426-433.[3] Youjun Xu*, Xiaoyou Liu, Optimal control for semilinear pseudoparabolic equations with leading term containing controls, Proceedings of the Royal Society of Edinburgh, Section: A Mathematics. To appear[4] Youjun Xu*, Xiaoyou Liu, Liangbing Li, Optimal control of some degenerate pseudo-parabolic variational inequality involving state constraint, Theoretical Mathematics & Applications, 3(2013), no.4, 1-22.[5] Youjun Xu*, Shu Zhou, Optimal Control of Pseudoparabolic Variational Inequalities Involving State Constraint,Abstract and Applied Analysis, vol. 2014, ID 641736, 9 pages, 2014.[6] Youjun Xu*, Zhenhai Liu, Controllability for a parabolic equation with a nonlinear term involving the state and the gradient, Acta Math Sci, 30(2010) , no. 5, 1593-1604.[7] Youjun Xu*, Zhenhai Liu, Exact Controllability to Trajectories for a Semilinear Heat Equation with a Superlinear Nonlinearity, Acta Appl Math, 110(1), 2010, 57-71.[8] Li Jing*, Youjun Xu, An inverse coefficient problem with nonlinear parabolic equation, J Appl Math Comput, 34(2010), no. 1, 195–206.[9] Youjun Xu*, Maoxin Liao, Zhenhai Liu, Identification of parameters in parabolic equations with nonlinearity, Ann. of Diff Eqs, 26(2010), no. 1, 94-99.[10] Youjun Xu*, Jing Li, Zhenhai Liu, Controllability for a parabolic equation with a nonlinear term involving the state and the gradient, J Appl Math Comput, 29(2009), no.1-2, 197-206.[11] Youjun Xu*, Xinguang Zhang, Dongyuan Liu, Insensitizing controls for a nonlinear parabolic equation with a nonlinear term involving the state and the gradient in unbounded domains, Nonlinear Analysis: TMA, 71(2009), no. 11, 5885-5894.[12] Youjun Xu*, Zhenhai Liu, Jing Li, Identification of nonlinearity in k-approximate periodic parabolic equations, Nonlinear Analysis: TMA, 71(2009), no.1-2, 691-696.湖南省数学学会理事。2016年6月2日许友军老师被邀请在法国佩皮里昂大学 ETAMM 2016会议作了题为“Optimality controls for semilinear pseudoparabolic Equations with controls in leading term”的专题报告.

教育背景:

1996.09—1999.06，郴州师范高等专科学校数学专业，获中国人民解放军大学自考本科文凭。2001.09—2004.06，曲阜师范大学应用数学专业，获理学硕士学位。2006.09—2009.06，中南大学应用数学专业，获理学博士学位。