卢欣
卢欣,女,博士,副教授,硕士生导师,主要从事矩阵计算及其应用和机器学习方面的研究,具体研究方向为二次特征值问题以及大型稀疏线性方程组的并行预条件迭代方法等。在Appl Math Model, J Comput Phys等期刊发表论文8篇,其中以第一作者身份发表SCI论文4篇,主持国家自然科学基金青年项目、国家自然科学基金数学天元基金专项项目。参与国家自然科学基金面上项目3项和国家自然科学基金青年基金项目1项。
工作和受教育经历:
2024-07至今, 中国石油大学(北京), 理学院数学系, 副教授
2015-07至2024-07, 中国石油大学(北京), 理学院数学系, 讲师
2013-07至2015-06, 北京应用物理与计算数学研究所, 计算物理国家重点实验室, 博士后
2007-09至2013-07, 北京大学, 数学科学学院, 博士
2005-09至2007-07, 大连理工大学, 应用数学系, 硕士
2001-09至2005-07, 大连理工大学, 应用数学系, 学士
代表性论文:
[1] 卢欣,旷盈,杨洁,王志杰,王立群,复杂等离子体光子晶体能带结构计算, 工程数学学报, 2024, 41(2):341-364.
[2] Wang Liqun, Wang Zhijie, Lu Xin, Shi Liwei. Novel applications of local optimization semi-Cartesian grid for the complex band structure analysis of phononic crystals, Applied Mathematical Modelling, 2023, 121:631-652.
[3] Lu Xin, Zhang Ping, Shi Liwei, Hou Songming and Kuang Ying. A radial basis function meshless numerical method for solving interface problems in irregular domains. Advances in Applied Mathematics and Mechanics, 2021, 13(3): 645-670.
[4] Lu Xin, Liu Xingping, Gu Tongxiang. The convergence theory for the restricted version of the overlapping Schur complement preconditioner, Applied Mathematics and Computation, 2018, 339: 422-430.
[5] Wang Liqun, Zheng Hui, Lu Xin, Shi Liwei. A Petrov-Galerkin finite element interface method for interface problems with Bloch-periodic boundary conditions and its application in phononic crystals , Journal of Computational Physics, 2019, 393: 117-138.
[6] Ling Sitao, Jia Zhigang, Yang Bing, Lu Xin. Matrix LSQR algorithm for structured solutions to quaternionic least squares problem, Computers & Mathematics with Applications, 2019, 77(3): 830-845.
[7] Lu Xin, Xu Shufang. Rounding errors of partial derivatives of simple eigenvalues of the quadratic eigenvalue problem, Journal of Computational and Applied Mathematics, 2015, 282: 268-277.
[8] Lu Xin, Xu Shu-fang, An eigenspace method for computing derivatives of semi-simple eigenvalues and corresponding eigenvectors of quadratic eigenvalue problems, Applied Numerical Mathematics, 2015, 94: 201-208.