姓 名 徐　旭 Name XU Xu
职 称 副教授 Position Associate Professor
所在部门 基础数学系 Department Department of Pure Mathematics
研究方向 微分几何与离散几何 Research Field Differential Geometry and Discrete Geometry
联系电话
Telephone

办公室 老外楼409 Office Lao-Wai Lou 409
电子邮件 xuxu2@whu.edu.cn Email xuxu2@whu.edu.cn
个人主页
Website



徐旭


通讯地址
湖北省武汉市武昌区八一路299号武汉大学数学与统计学院
电子信箱：xuxu2@whu.edu.cn


教育背景：
2002.09-2006.06 华中科技大学数学系 本科
2006.09-2011.06 中国科学院数学与系统科学研究院数学研究所 博士 导师：张晓研究员


工作经历：
2011.07-2016.10 武汉大学数学与统计学院 讲师
2014.09-2015.09 德国弗莱堡大学数学研究所 访问**** 合作教授：王国芳教授
2016.11-至今 武汉大学数学与统计学院 副教授


研究方向：
离散几何，微分几何，广义相对论


Publications：
1. Xu, Xu; Ding, Lu Positive mass theorems for high-dimensional spacetimes with black holes. Sci. China Math. 54 (2011), no. 7, 1389–1402.
2. Chen, Yongfa; Xu, Xu Some remarks on the Dirac-Witten operator on pseudo-Riemannian manifolds. J. Geom. Phys. 62 (2012), no. 10, 1999–2008.
3. Ge, Huabin; Xu, Xu Lower eigenvalue estimates of a Dirac-type operator involving electromagnetic field. J. Geom. Phys. 70 (2013), 224–231.
4. Wang, YaoHua; Xu, Xu Positive energy theorem for (4+1) -dimensional asymptotically anti-de Sitter spacetimes. Sci. China Math. 57 (2014), no. 2, 389–396.
5. Ge, Huabin; Xu, Xu Discrete quasi-Einstein metrics and combinatorial curvature flows in 3-dimension. Adv. Math. 267 (2014), 470–497.
6. Wang, Yaohua; Xu, Xu Hyperbolic positive energy theorem with electromagnetic fields. Classical Quantum Gravity 32 (2015), no. 2, 025007, 20 pp.
7. Ge, Huabin; Xu, Xu α-curvatures and α-flows on low dimensional triangulated manifolds. Calc. Var. Partial Differential Equations 55 (2016), no. 1, Paper No. 12, 16 pp.
8. Ge, Huabin; Xu, Xu 2-dimensional combinatorial Calabi flow in hyperbolic background geometry. Differential Geom. Appl. 47 (2016), 86–98.
9. Ge, Huabin; Xu, Xu; Zhang, Shijin Three-dimensional discrete curvature flows and discrete Einstein metrics. Pacific J. Math. 287 (2017), no. 1, 49–70.
10. Ge, Huabin; Xu, Xu A Discrete Ricci Flow on Surfaces with Hyperbolic Background Geometry, International Mathematics Research Notices, Vol. 2017, No. 11, pp. 3510–3527.
11. Huabin Ge, Xu Xu On a combinatorial curvature for surfaces with inversive distance circle packing metrics, Journal of Functional Analysis 275 (2018) 523–558, https://arxiv.org/abs/1701.01795
12. Xu Xu Rigidity of inversive distance circle packings revisited, Advances in Mathematics 332 (2018) 476–509, https://arxiv.org/abs/1705.02714


Preprints:
1. Huabin Ge, Xu Xu A combinatorial Yamabe problem on two and three dimensional manifolds , https://arxiv.org/abs/1504.05814
2. Xu Xu On the global rigidity of sphere packings on 3-dimensional manifolds, https://arxiv.org/abs/1611.08835


科研项目- Research Grants
1.正能定理和薛定谔算子特征值的关系, 国家自然科学基金青年基金(Natural Science Foundation of China), 2014.01-2016.12, No. **.