个人简介:
刘霞,女,1979年1月出生,理学博士,副教授,硕士生导师,2013年毕业于荷兰格罗宁根大学。发表学术专著1部,在中外学术期刊发表学术论文14篇,其中SCI论文10篇。主持或参与国家级课题、省部级课题共7项。
一、主要研究方向
不连续动力系统,分支理论,定性与稳定性理论
二、主要科研成果(已完成的重要科研项目、发明专利、科研或教学获奖)
科研项目:
1.国家自然科学基金面上项目,31972517,基于氮流动和水环境阈值互馈关系的京津冀食物系统区域协同调控研究,2020.01-2023.12,57万元,已结题,主持;
2.河北省自然科学基金面上项目,A2019403169,Filippov系统的几何正规化理论及应用研究,2019.01-2022.12,6万元,已结题,主持;
3.国家自然科学青年基金项目,31801941,不同类型农牧结合系统的氮素流动特征与优化研究,2019.01-2021.12,23万元,已结题,参加;
4.国家重点研发计划“大气污染成因与控制技术研究”项目,2018YFC0213300,农畜牧业氨排放污染高效控制技术,2018.07-2021.06,90.07万元,已结题,参加;
5.河北省教育厅自然科学青年基金,QN2016026,不连续系统中的Hopf分支分析,2016.01-2018.3,2.5万元,已结题,主持;
6.河北地质大学博士科研启动基金,B201612,平面Filippov系统中的低余维分支分析,2016.01-,3万元,在研,主持。
7.荷兰国家自然科学基金,613000560,Stability,Bifurcations and Stabilisation of Invariant Sets in Differential Inclusions,2007.03-2014.02,35万欧元,已结题,参加。
三、代表性论文及著作
论文:
1. Sources of nitrogen in reservoirs of the Haihe basin (China) 2012-2017. Journal of Environmental Management, 2023, 345:1-9, 118667;
2. Dynamics and Bifurcations in Filippov Type of Competitive and Symbiosis Systems. International Journal of Bifurcation and Chaos, 2022, 32(13): 2250190-1-2250190-21. https://doi.org/10.1142/S0218127422501905;
3. Food and feed trade has greatly impacted global land and nitrogen use efficiencies over 1961-2017. Nature Food, 2021, 2: 780-791. https://doi.org/10.1038/s43016-021-00351-4;
4. 迹-行列式平面中的分岔分析及实例, 河北大学学报(自然科学版), 2021, 41(3): 225-230;
5. Regularization of the boundary-saddle-node bifurcation, Advances in Mathematical Physics, 2018, Article ID 5094878;
6. Global environmental costs of China's thirst for milk. Global Change Biology, 2018, 24(5): 2198-2211. https://doi.org/10.1111/gcb.14047;
7. Bifurcations of a non-gravitational interaction problem, Applied Mathematics and Computation , 2015, 251: 253-257;
8. The Boundary-Hopf-Fold bifurcation in Filippov systems, SIAM Journal on Applied Dynamical Systems, 2015, 14(2): 914-941;
9. Φ0-stability of hybrid impulsive dynamic systems on time scales, Journal of Mathematical Analysis and Applications, 2007, 334 (2): 1220-1231;
10. Practical stability of impulsive hybrid differential systems in terms of two measures on time scales, Nonlinear Analysis, Theory: Methods & Applications, 2006, 65: 2035-2042;
11. New Comparison Principle and Stability Criteria for Impulsive Hybrid Systems on Time Scales, Nonlinear Analysis: Real World Applications, 2006, 7: 1096-1103;
12. Stability in terms of two measures for perturbed dynamic system on time scales, Nonlinear Studies, 2008, 15: 27-36;
13. 时间尺度上泛函微分方程的严格Φ0稳定性, 数学的实践与认识, 2007, 21:176-179;
14. 几类偶数阶非线性微分方程的区间振动性, 工程数学学报, 2005, 6: 1031-1038.
著作:
The discontinuous Hopf-transversal system and its geometric regularization, Groningen University Press, 2013.
四、联系方式
邮箱:liuxia1228@126.com
电话:13933167852