易年余，男，湖南攸县人，博士，教授。

学习工作经历

教育经历：

2007.07-2011.06，湘潭大学，数学与计算科学学院，博士研究生，计算数学

2005.09-2007.06，湘潭大学，数学与计算科学学院，硕士研究生，计算数学

2001.09-2005.06，天水师范学院，数学系，本科，数学与应用数学

工作经历： 2019.01至今，湘潭大学，数学与计算科学学院，教授

2014.01-2018.12，湘潭大学，数学与计算科学学院，副教授 2012.08-2013.12，湘潭大学，数学与计算科学学院，讲师 2011.07-2012.08，湘潭大学，数学与计算科学学院，助教

2017.12.25-2018.02.05,北京大学，数学科学学院，访问学者

2016.01.10-2016.05.10,爱荷华州立大学，数学系，访问学者

2014.07.15-2014.11.15,澳门大学，数学系，访问学者

2013.11.01-2013.11.25,洪堡大学，数学系，访问学者

2012.07.01-2012.07.31,北京大学，数学科学学院，访问学者

2011.09.10-2012.02.10,爱荷华州立大学，数学系，博士后

主要研究偏微分方程数值方法及应用：

有限元超收敛与重构技术

后验误差估计与自适应算法

间断有限元方法

保持偏微分方程特征的数值方法

最优控制问题数值方法

[1].YanpingChen,NianyuYi,andWenbinLiu,ALegendreGalerkinspectralmethodforoptimalcontrolproblemsgovernedbyellipticequations,SIAMJ.Numer.Anal.,2008,46:2254-2275.

[2].YanpingChen,YunqingHuang,NianyuYi,Aposteriorierrorestimatesofspectralmethodforoptimalcontrolproblemsgovernedbyparabolicequations,ScienceinChinaSeriesAMathematics,2008,51:1376-1390.

[3].YunqingHuangandNianyuYi,TheSuperconvergentClusterRecoveryMethod,J.Sci.Comput.,2010,44:301-322.

[4].XiaoqingXing,YanpingChen,NianyuYi,Errorestimatesofmixedfiniteelementmethodsforquadraticoptimalcontrolproblems,JournalofComputationalandAppliedMathematics,2010,233:1812-1820.

[5].YunqingHuang,QinLiang,andNianyuYi,Highordercompactschemesforgradientapproximation,ScienceChina:Mathematics,2010,53:1903-1918.

[6].YanpingChen,FenglinHuang,NianyuYiandWenbinLiu,ALegendreGalerkinspectralmethodforoptimalcontrolproblemsgovernedbystokesequations,SIAMJ.Numer.Anal.,2011,49:1625-1648.

[7].YunqingHuang,HuayiWei,WeiYangandNianyuYi,Anewaposteriorierrorestimatesforadaptivefiniteelementmethods,DDMXIX,LectureNotesinComputationalScienceandEngineering,Y.Huangetal.(eds.)2011,78:63-74.

[8].YanpingChen,NianshiXia,NianyuYi,ALegendreGalerkinspectralmethodforoptimalcontrolproblems,JournalofSystemsScienceandComplexity,2011,24:663-671.

[9].YunqingHuang,WeiYang,NianyuYi,Aposteriorierrorestimatebasedontheexplicitpolynomialrecovery,NaturalScienceJournalofXiangtanUniversity,2011,33:1-12.

[10].YunqingHuang,HailiangLiuandNianyuYi,Recoveryofinterfacederivativesfromthepiecewise$L^2$projection,J.Comput.Phys.,2012,231:1230-1243.

[11].YunqingHuang,KaiJiangandNianyuYi,Someweightedaveragingmethodsforgradientrecovery,Adv.Appl.Math.Mech.,2012,4:131-155.

[12].NianyuYi,YunqingHuangandHailiangLiu,AdirectdiscontinuousGalerkinmethodforthegeneralizedKorteweg-deVriesequation:Energyconservationandboundaryeffect,J.Comput.Phys.,2013,242:351-366.

[13].YunqingHuang,YifanSu,HuayiWeiandNianyuYi,AnisotropicmeshgenerationmethodsbasedonACVTandnaturalmetricforanisotropicellipticequation,ScienceChina:Mathematics,2013,56:2615-2630.

[14].YanpingChen,TianliangHou,NianyuYi,Variationaldiscretizationforoptimalcontrolproblemsgovernedbyparabolicequations,JournalofSystemsScienceandComplexity,2013,26:902-924.

[15].HailiangLiu,YunqingHuangandNianyuYi,AdirectdiscontinuousGalerkinmethodfortheDegasperis-Procesiequation,MethodsandApplicationsofAnalysis,2014,21:83-106.

[16].YunqingHuang,WeiYangandNianyuYi,Superconvergenceanalysisfortheexplicitpolynomialrecoverymethod,J.Comput.Appl.Math.,2014,265:187-198.

[17].GuanghuiHuandNianyuYi,AnadaptivefinitevolumesolverforsteadyEulerequationswithnon-oscillatoryk-exactreconstruction,J.Comput.Phys.,2016,312:235-251.

[18].HailiangLiuandNianyuYi,AHamiltoniampreservingdiscontinuousGalerkinmethodforgeneralizedKorteweg-deVriesequation,J.Comput.Phys.,2016,321:776-796.

[19].GuanghuiHu,XuchengMengandNianyuYi,Adjoint-basedanadaptivefinitevolumemethodforsteadyEulerequationswithnon-oscillatoryk-exactreconstruction,Computers&Fluids,2016,139.174-183.

[20].YunqingHuang,LiupengWangandNianyuYi,Meshqualityandmoredetailederrorestimatesoffiniteelementmethod,NumericalMathematics:Theory,MethodsandApplications,2017,10:420-436.

[21].NianyuYiandHailiangLiu,AenergyconservingdiscontinuousGalerkinmethodfornonlinearvariationalwaveequation,CommunicationinComputationalPhysics,2018,23:747-772.

[22].NianyuYi,YunqingHuangandWeiYang,Function,derivativeandhigh-orderderivativesrecoverymethodusingthelocalsymmetryprojectioninonedimensional,JournalofScientificComputing,2018,74:536-572.

[23].JianhuaChen,NianyuYi,YongyaoLi,ExponentialstabilityofperturbedsuperstablesystemsinHilbertspaces,SemigroupForum,2018,96:126-141.

[24].HailiangLiu,YunqingHuang,WenyingLuandNianyuYi,OnaccuracyofthemasspreservingDGmethodtomulti-dimensionalSchrodingerequations,IMAJournalofNumericalAnalysis,2019,39:760-791.

[25].CongyingLi,YunqingHuang,NianyuYi,AnunconditionallyenergystablesecondorderfiniteelementmethodforsolvingtheAllen–Cahnequation,JournalofComputationalandAppliedMathematics,2019,353:38-48.

[26].YaoyaoChen,YunqingHuang,NianyuYi,ASCR-basederrorestimationandadaptivefiniteelementmethodfortheAllen-Cahnequation,ComputersandMathematicswithApplications,2019,781:204-223.

[27].YidanZhang,YunqingHuang,NianyuYi,SuperconvergenceoftheCrouzeix-Raviartelementforellipticequation,AdvancesinComputationalMathematics,2019.

[28].YunqingHuang,HuayiWei,WeiYang,NianyuYi,Recoverybasedfiniteelementmethodforbiharmonicequationintwodimensional,JournalofComputationalMathematics,2019.

[29].ChaoWu,YunqingHuang,NianyuYi,JinyunYuan,Superconvergentrecoveryofrectangularedgefiniteelementapproximationbylocalsymmetryprojection,JournalofScientificComputing,2019,inpress.

[30].NianyuYi,YunqingHuang,HailiangLiu,AconservativediscontinuousGalerkinmethodfornonlinearelectromagneticSchrodingerequations,SIAMJournalonScientificComputing,2019,inpress.

[31].YaoyaoChen,YunqingHuang,NianyuYi,RecoverytypeaposteriorierrorestimationofadaptivefiniteelementmethodforAllen-Cahnequation,JournalofComputationalandAppliedMathematics,2019,accepted.