李计勇 照片

李计勇

副教授

所属大学: 河北师范大学

所属学院: 数学科学学院(田家炳教育书院)

邮箱:
ljyong406@163.com

个人简介

个人简介: 1980年6月24日出生,男,汉族,河北省南和县人。理学博士。硕士生导师。美国《数学评论》(MathematicalReviews)评论员。石家庄市青年联合会第十一届委员。在《Comput.Phys.Comm.》,《Appl.Numer.Math.》,《Numer.Algor.》等国际学术期刊上发表论文近20篇,其中17篇被SCI收录。已主持完成国家自然科学基金项目1项,河北省自然科学基金项目1项,其它基金3项。SCI二区期刊《Numer.Algor.》和《Appl.Math.Comput.》的特约审稿人。 详细介绍 教育背景:

博士,计算数学,南京大学,2009-2012

硕士,计算数学,南京大学,2007-2009

学士,数学与应用数学,河北科技大学,2001-2005

工作经历:

2012年—现在,河北师范大学数学与信息科学学院

教学情况:

主讲本科生课程《高等数学》、《数值分析》等

主讲研究生课程《微分方程的数值解法》,《哈密顿系统的辛几何算法》,《工程数学》等

科研情况:

一、承担科研项目情况(按时间倒序排列)

5.河北师范大学杰出青年基金(No.L2018J01),2018-2020,主持.

4.国家自然科学基金青年基金(No.11401164),2015-2017,主持(已结项);

3.河北省自然科学基金(No.A2014205136),2014-2016,主持(已结项);

2.河北师范大学重点基金(No.L2013Z02),2014-2015,主持(已结项);

1.河北师范大学博士基金(No.L2012B03),2013-2015,主持(已结项).

研究领域

研究领域:微分方程数值解;动力系统保结构算法

近期论文

[25]JiyongLi,Multi-stepRunge-Kuttahybridmethodsforspecialthirdorderordinarydifferentialequations,submitted

[24]JiyongLi,YachaoGao,Modifiedmulti-stepNyströmmethodsforoscillatorysecond-orderinitialvalueproblemsy''(t)=f(t,y(t),y'(t)),submitted

[23]JiyongLi,Non-standardapproachforsingularproblem,submitted

[22]JiyongLi,Extendedmulti-stepRunge-Kutta-Nyströmmethodsforoscillatorysecond-ordersystems,JournalofComputationalandAppliedMathematics,submitted

[21]JiyongLi*,XinyuanWu,Energy-preservingcontinuousstageextendedRunge-Kutta-NyströmmethodsforoscillatoryHamiltoniansystems,AppliedNumericalMathematics,accepted(SCI)

[20]JiyongLi*,YachaoGao,Energy-preservingtrigonometrically-fittedcontinuousstageRunge-Kutta-NyströmmethodsforoscillatoryHamiltoniansystems,NumericalAlgorithms,accepted(SCI)

[19]JiyongLi*,Multi-stephybridmethodsadaptedtothenumericalintegrationofoscillatorysecond-ordersystems,JournalofAppliedMathematicsandComputing,accepted(EI)

[18]JiyongLi*,ShuoDeng,XianfenWang,Multi-stepNyströmmethodsforgeneralsecond-orderinitialvalueproblemsy''(t)=f(t,y'(t),y'(t)),InternationalJournalofComputerMathematics,6(2019)1254-1277.(SCI)

[17]JiyongLi*,WeiShi,XinyuanWu,TheexistenceofexplicitsymplecticARKNmethodswithseveralstagesandalgebraicordergreaterthantwo,JournalofComputationalandAppliedMathematics,353(2019)204–209.(SCI)

[16]JiyongLi*,Symplecticandsymmetrictrigonometrically-fittedARKNmethods,AppliedNumericalMathematics,135(2019)381-395.(SCI)

[15]JiyongLi*,ShuoDeng,XianfenWang,Extendedexplicitpseudotwo-stepRKNmethodsforoscillatorysystemsy''+My=f(y),NumericalAlgorithms,78(2018)673-700.(SCI)

[14]JiyongLi*,XianfenWang,BinWang,Trigonometrically-fittedsymmetrictwo-stephybridmethodsforoscillatoryproblems,JournalofComputationalandAppliedMathematics,344(2018)115-131.(SCI)

[13]JiyongLi*,Trigonometricallyfittedthree-derivativeRunge-Kuttamethodsforsolvingoscillatoryinitialvalueproblems,AppliedMathematicsandComputation,330(2018)103-117.(SCI)

[12]JiyongLi*,Trigonometrically-fittedmulti-stephybridmethodsforoscillatoryspecialsecond-orderinitialvalueproblems,InternationalJournalofComputerMathematics,95(2018)979-997.(SCI)

[11]JiyongLi*,XianfenWang,MingLu,Aclassoflinearmulti-stepmethodadaptedtogeneraloscillatorysecond-orderinitialvalueproblems,JournalofAppliedMathematicsandComputing,56(2018)561-591.(EI)

[10]JiyongLi*,ShuoDeng,Trigonometricallyfittedmulti-stepRKNmethodsforsecond-orderoscillatoryinitialvalueproblems,AppliedMathematicsandComputation,320(2018)740–753.(SCI)

[9]HaoZhang,MingxueShi,JiyongLi,BinWang*,DiagonalimplicitsymmetricERKNintegratorsforsolvingoscillatoryreversiblesystems,InternationalJournalofAppliedandComputationalMathematics,3(2017)1229–1247.

[8]JiyongLi*,Trigonometricallyfittedmulti-stepRunge-Kuttamethodsforsolvingoscillatoryinitialvalueproblems,NumericalAlgorithms,76(2017)237-258.(SCI)

[7]JiyongLi*,XianfenWang,Multi-stepRunge–Kutta–Nyströmmethodsforspecialsecond-orderinitialvalueproblems,AppliedNumericalMathematics,113(2017)54–70.(SCI)

[6]JiyongLi*,AfamilyofimprovedFalkner-typemethodsforoscillatorysystems,AppliedMathematicsandComputation,293(2017)345–357.(SCI)

[5]JiyongLi*,XianfenWang,Multi-stephybridmethodsforspecialsecond-orderdifferentialequationsy''(t)=f(t,y(t)),NumericalAlgorithms,73(2016)711-733.(SCI)

[4]JiyongLi,XinyuanWu*,ErroranalysisofexplicitTSERKNmethodsforhighlyoscillatorysystems,NumericalAlgorithms65(2014)465–483.(SCI)

[3]JiyongLi,XinyuanWu*,AdaptedFalkner-typemethodssolvingoscillatorysecond-orderdifferentialequations,NumericalAlgorithms,62(2013)355–381.(SCI)

[2]JiyongLi,BinWang,XiongYou,XinyuanWu*,Two-stepextendedRKNmethodsforoscillatorysystems,ComputerPhysicsCommunications182(2011)2486–2507.(SCI)

[1]XinyuanWu*,XiongYou,JiyongLi,NoteonderivationoforderconditionsforARKNmethodsforperturbedoscillators,ComputerPhysicsCommunications180(2009)1545–1549.(SCI)