刘歆 - 中国科学院大学 - 数学科学学院

个人简介

学历博士研究生：中国科学院数学与系统科学研究院，2004年9月至2009年6月本科：北京大学数学科学学院，2000年9月至2004年6月学位理学博士：中国科学院研究生院（现中国科学院大学）理学学士：北京大学工作经历 2009年7月至2015年3月，中国科学院数学与系统科学研究院，助理研究员 2009年9月至2010年8月，德国ZIB研究所，博士后 2010年9月至2011年8月，美国RICE大学计算与应用数学系，访问学者 2015年3月至今，中国科学院数学与系统科学研究院，副研究员

研究领域

非线性优化的计算方法及其理论分析，主要包括非线性最小二乘问题、稀疏优化算法、矩阵低秩分解理论及其算法、非线性特征值问题、分布式优化算法等

近期论文

查看导师新发文章（温馨提示：请注意重名现象，建议点开原文通过作者单位确认）

N.Xiao,X.LiuandY.Yuan,AClassofSmoothExactPenaltyFunctionMethodsforOptimizationProblemswithOrthogonalityConstraints,MathematicalProgramming(underreview).link J.Hu,X.Liu,Z.WenandY.Yuan,ABriefIntroductiontoManifoldOptimization,JournaloftheOperationsResearchSocietyofChina(DOI:10.1007/s40305-020-00295-9).link L.Wu,X.LiuandZ.Wen,BestSymmetricRank-1ApproximationofSymmetricHigh-orderTensors,OptimizationMethodsandSoftware,35-2(2020),416-438.link Y.ShenandX.Liu,AnAlternatingMinimizationMethodforMatrixCompletionProblems,DiscreteandContinuousDynamicalSystems,13-6(2020),1757-1772.link B.Gao,X.LiuandY.Yuan,ParallelizableAlgorithmsforOptimizationProblemswithOrthogonalityConstraints,SIAMJournalonScientificComputing,41-3(2019),A1949–A1983.link Y.Shen,H.XuandX.Liu,AnAlternatingMinimizationMethodforRobustPrincipalComponentAnalysis,OptimizationMethodsandSoftware,34-6(2019),1251-1276.link C.Ma,X.LiuandZ.Wen,GloballyConvergentLevenberg-MarquardtMethodforPhaseRetrieval,IEEETransactionsonInformationTheory,65-4(2019),1557-9654.link Y.Liu,X.LiuandS.Ma,OntheNonergodicConvergenceRateofanInexactAugmentedLagrangianFrameworkforCompositeConvexProgramming,MathematicsofOperationsResearch,44-2(2019),632-650.link C.Chen,M.Li,X.LiuandY.Ye,ExtendedADMMandBCDforNonseparableConvexMinimizationModelswithQuadraticCouplingTerms:ConvergenceAnalysisandInsights,MathematicalProgramming,173(2019),37-77.link X.Liu,M.Ng,R.ZhangandZ.Zhang,AContinuousOptimizationModelforClustering,MathematicNumericaSinica(inChinese),40-4(2018),354-366.link B.Gao,X.Liu,X.ChenandY.Yuan,ANewFirst-orderFrameworkforOrthogonalConstrainedOptimizationProblems,SIAMJournalonOptimization,28-1(2018),302–332.link H.Wang,X.Liu,X.ChenandY.Yuan,SNIGPropertyofMatrixLow-rankFactorizationModel,JournalofComputationalMathematics,36-3(2018),374-390.link B.Gao,X.LiuandY.Yuan,AlgorithmsforOptimizationProblemswithOrthogonalityConstraints,ORTransactions(inChinese),21-4(2017),57-68.link J.Hu,B.Jiang,X.LiuandZ.Wen,ANoteonSemidefiniteProgrammingRelaxationsforPolynomialOptimizationOveraSingleSphere,ScienceChinaMathematics,59-8(2016),1543-1560.link Z.Wen,C.Yang,X.LiuandY.Zhang,Trace-PenaltyMinimizationforLarge-scaleEigenspaceComputation,JournalofScientificComputing,66-3(2016),1175-1203.link X.Liu,Z.WenandY.Zhang,AnEfficientGauss-NewtonAlgorithmforSymmetricLow-RankProductMatrixApproximations,SIAMJournalonOptimization,25-3(2015),1571–1608.link X.Liu,Z.Wen,X.Wang,M.UlbrichandY.Yuan,OntheAnalysisoftheDiscretizedKohn-ShamDensityFunctionalTheory,SIAMJournalonNumericalAnalysis,53-4(2015),1758–1785.link Q.Dong,X.Liu,Z.WenandY.Yuan,AParallelLineSearchSubspaceCorrectionMethodforConvexOptimizationProblems,JournaloftheOperationsResearchSocietyofChina,3(2015),163-187.link X.Liu,X.Wang,Z.WenandY.Yuan,OntheConvergenceoftheSelf-ConsistentFieldIterationinKohn-ShamDensityFunctionalTheory,SIAMJournalonMatrixAnalysisandApplications,35-2(2014),546-558.link X.Liu,Z.WenandY.Zhang,LimitedMemoryBlockKrylovSubspaceOptimizationforComputingDominantSingularValueDecompositions,SIAMJournalonScientificComputing,35-3(2013),A1641-A1668.link X.Liu,C.HaoandM.Cheng,ASequentialSubspaceProjectMethodforLinearEigenvalueProblem,AsiaPacificJournalofOperationalResearch,30-3(2013).link Z.Wen,C.Yang,X.LiuandS.Machesini,AlternatingDirectionMethodsforClassicalandPtychographicPhaseRetrieval,InverseProblems,28-11(2012).link Z.Wen,W.Yin,X.LiuandY.Zhang,IntroductiontoCompressiveSensingandSparseOptimization(inChinese),ORTransactions,16-3(2012),49-64.link X.Liu,S.McKeeb,J.YuanandY.Yuan,UniformBoundsonthe1-normoftheInverseofLowerTriangularToeplitzMatrices,LinearAlgebraanditsApplications,435(2011),1157–1170.link X.Liu,NumericalMethodsforSpecialNonlinearLeastSquaresProblemsandL1NormMinimizationProblems(inChinese),Ph.D.thesis,AMSS,CAS(2009).pdf X.Liu,GlobalMinimizationofQuadraticLeast-SquaresProblems,Global-LinkInformaticsLimited,HongKong,ProceedingsoftheNinthNationalConferenceofOperationResearchSocietyofChina(2008),188-193. X.LiuandY.Yuan,OntheSeparableNonlinearLeastSquaresProblems,JournalofComputationalMathematics,26(2008),390-403.link X.Liu,AnEfficientUnseparatedSchemeforSeparableNonlinearLeastSquaresProblem,Global-LinkInformaticsLimited,HongKong,ProceedingsoftheEighthNationalConferenceofOperationResearchSocietyofChina(2006),132-137. X.Liu,OptimizationMethodsforLarge-scaleSylvesterEquationandtheSeparationoftwoMatrices,B.Sc.thesis,SMS,PKU(2004).pdf