易年餘

2007/08 - 2011/06，湘潭大學，數學與計算科學學院，計算數學，博士。

2005/09 - 2007/07，湘潭大學，數學與計算科學學院，計算數學，碩士。

2001/09 - 2005/06，天水師範學院，數學系，數學與應用數學，學士。

2019.01-至今，湘潭大學，數學與計算科學學院，教授

2014/01 - 至今，湘潭大學，數學與計算科學學院，副教授。

2012/09 - 2013/12，湘潭大學，數學與計算科學學院，講師。

2011/07 - 2012/08，湘潭大學，數學與計算科學學院，助教。

2014/07/15 - 2014/11/15, 澳門大學，數學系，訪問學者。

2013/11/01 - 2013/11/25， 德國洪堡大學，數學系，訪問學者。

2012/07/01 - 2012/07/31， 北京大學，數學科學學院，訪問學者。

2011/09 - 2012/02， 愛荷華州立大學，數學系，博士後。 ^[1] 

(間斷)有限元方法，超收斂，自適應算法，保結構算法 ^[1] 

2014年，全國百篇優秀博士學位論文提名獎。

2013年，湖南省優秀博士學位論文。

2011年，湘潭大學研究生校長特等獎。

2007年，中國計算數學學會第三屆優秀青年論文競賽一等獎 ^[3]  。

2013.1--2015.12，國家自然科學基金青年科學基金：新的重構技術及網格質量對超收斂的影響研究

2015.1--2017.12，湖南省自科基金面上項目：有限元重構及應用

2012.1--2014.12，湖南省自科基金青年項目：有限元梯度重構方法及超收斂

2012.1--2015.12，湖南省教育廳優秀青年項目：高精度有限元重構技術與守恆DDG方法

2013.9--2015.9，湖南省優秀博士學位論文獲獎作者資助項目：幾類淺水波方程直接間斷有限元方法研究

2012.1--2013.12，湘潭大學自科項目：KdV方程的守恆DDG方法

2011.1--2013.12，湘潭大學博士科研啓動項目：有限元重構方法及超收斂

2015.1--2018.12，國家自然科學基金重大研究計劃：相場數學模型及相關數學問題高精度數值方法

2013.1--2016.12,國家自然科學基金：超材料數值模擬及應用

2010.9--2013.9，中德合作項目：四階問題的自適應有限元方法

2010.1--2013.12，湖南省教育廳重點項目：高質量網格快速生成技術與自適應有限元方法 ^[1] 

Yanping Chen, Nianyu Yi, and Wenbin Liu,A Legendre Galerkin spectral method for optimal control problems governed by elliptic equations, SIAM Journal On Numerical Analysis, Vol. 46, No. 5, 2008, pp. 2254-2275.

Yanping Chen, Yunqing Huang, and Nianyu Yi,A posteriori error estimates of spectral method for optimal control problems governed by parabolic equations,Science in China Series A: Mathematics, Vol. 51, No. 8, 2008, pp. 1376-1390.

Xiaoqing Xing, Yanping Chen and Nianyu Yi,Error estimates of mixed finite element methods for quadratic optimal control problems, Journal of Computational and Applied Mathematics, Vol. 233, No. 8, 2010, pp. 1812-1820.

Yunqing Huang, Qin Liang, and Nianyu Yi,High order compact schemes for gradient approximation,Science China:Mathematics, Vol. 53, No. 7, 2010, pp. 1903-1918.

Yunqing Huang and Nianyu Yi,The Superconvergent Cluster Recovery Method,Journal of Scientific Computing, Vol. 44, 2010, pp. 301-322.

Yanping Chen, Nianshi Xia and Nianyu Yi,A Legendre Galerkin spectral method for optimal control problems,Journal of Systems Science and Complexity, Vol. 24, 2011, pp. 663-671.

Yanping Chen, Fenglin Huang, Nianyu Yi and Wenbin Liu,A Legendre Galerkin spectral method for optimal control problems governed by stokes equations, SIAM Journal On Numerical Analysis, Vol. 49, No. 4, 2011, pp. 1625-1648.

Yunqing Huang, Wei Yang and Nianyu Yi,A posteriori error estimation based on the explicit polynomial recovery,Natural Science Journal of Xiangtan University, Vol 33, No. 4, 2011, pp. 1-12. ^[4] 

Yunqing Huang, Hailiang Liu and Nianyu Yi,Recovery of interface derivatives from the piecewise $L^2$ projection, Journal of Computational Physics,Vol. 231, 2012, pp. 1230-1243.

Yunqing Huang, Kai Jiang and Nianyu Yi,Some weighted averaging methods for gradient recovery, Advances in Applied Mathematics and Mechanics, Vol. 4, No. 2, 2012, pp. 131-155.

Nianyu Yi, Yunqing Huang and Hailiang Liu,A direct discontinuous Galerkin method for the generalized Korteweg-de Vries equation: Energy conservation and boundary effect, Journal of Computational Physics, Vol. 242, 2013, pp. 351-366.

Yanping Chen, Tianliang Hou and Nianyu Yi,Variational discretization for optimal control problems governed by parabolic equations,Journal of Systems Science and Complexity, Vol. 26, 2013, pp. 902-924.

Yunqing Huang, Yifan Su, Huayi Wei and Nianyu Yi,Anisotropic mesh generation methods based on ACVT and natural metric for anisotropic elliptic equation,Science China: Mathematics, Vol. 56, No. 12, 2013, pp. 2615-2630.

Yunqing Huang, Wei Yang and Nianyu Yi,Superconvergence analysis for the explicit polynomial recovery method,Journal of Computational and Applied Mathematics,Vol. 265, 2014, pp. 187-198.

Hailiang Liu, Yunqing Huang and Nianyu Yi, A direct discontinuous Galerkin method for the Degasperis--Procesi equation,Methods and Applications of Analysis,Vol.21, 2014, pp.83-106.

Yunqing Huang, Huayi Wei, Wei Yang and Nianyu Yi, A new a posteriori error estimates for adaptive finite element methods,Domain Decomposition Methods in Science and Engineering XIX,Lecture Notes in Computational Science and Engineering, Y. Huang et al. (eds.) Vol. 78, 2011, pp. 63-74. ^[1]