欧乾忠，男，1973年生，博士，教授。


椭圆偏微分方程


数学分析


(1) 椭圆偏微分方程解的水平集的凸性, 国家自然科学基金地区基金项目（编号：**），24万，2011.1-2013.12。
(2) 椭圆偏微分方程解的水平集的几何性态，广西自然科学基金面上项目（编号：2010GXNSFA013123），4万，2010.4-2013.3。
(3) 椭圆偏微分方程解的几何性态，广西自然科学基金面上项目（编号：2014GXNSFAA118028），5万，2014.6.1-2017.5.31。
人才计划项目：
(1)椭圆偏微分方程研究， 2012年“广西高等学校优秀人才资助计划”，1万。


[1] Rongli Huang, Qianzhong Ou, On the Second Boundary Value Problem for a Class ofFullyNonlinear Equations,Journal Geometry Analisys, DOI 10.1007/s12220-017-9774-7, Published online: 04 March 2017.
[2] Qianzhong Ou, A Note on Nonexistence of Conformal Hessian Inequalities，Advances in Mathematics(China), Vol. 46, No. 1, Jan., 2017，154-158.
[3] Qianzhong Ou, Lu Xu, Liouville Type Results of Curvature Operators of Fuchsian Convex Surfaces, Journal of Mathematical Analysis and Applications. 434 (2016), 1435–1441.
[4] Qianzhong Ou, Nonexistence Results for a Fully Nonlinear Evolution Inequalitty, Electronic Research Announcements in Mathematical Sciences. 23(2016), 19-24.
[5] Chuanqiang Chen, Fei Han and Qianzhong Ou, The Interior C^2 Estimate for the MONGE–AMPèRE Equation in Dimension n = 2, Analysis and PDE. 9 (2016), No.6,1419–1432.
[6] Qianzhong Ou, Singularities and Liouville Theorems for Some Special Conformal Hessian Equations, Pacific Journal of Mathematics, 266(2013),No.1,117-128.
[7] J. Jost, Xi-Nan Ma & Qianzhong Ou, Curvature estimates in dimensions 2 and 3 for the level sets of p-harmonic functions in convex rings, Trans. Amer. Math. Soc., 364(2012), No.9, 4605–4627.
[8] Qianzhong Ou, Nonexistence results for hessian inequality，Methods and Applications of Analysis,17(2010),No.2,213-224.
[9] Changqing Hu, Xi-Nan Ma & Qianzhong Ou, A Constant Rank Theorem for Level Sets of Immersed Hypersurfces in with Prescribed Mean Curvature, Pacific Journal of Math., 245 (2010),No.2, 255-271.
[10] Xi-Nan Ma , Qianzhong Ou & Wei Zhang, Gaussian curvature estimates for the convex level sets of p-harmonic functions, Comm. Pure and Appl. Math., Vol.LXIII (2010), 935-971.