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Arbitrarily High-Order Energy-Conserving Methods for Hamiltonian Problems with Quadratic Holonomic Constraints 二次完整约束下哈密顿问题的任意高阶节能方法
4区 数学
Journal of Computational Mathematics Pub Date : 2023-10-01 DOI: 10.4208/jcm.2301-m2022-0065
Pierluigi Amodio, Luigi Brugnano, Gianluca Frasca-Caccia and Felice Iavernaro
{"title":"Arbitrarily High-Order Energy-Conserving Methods for Hamiltonian Problems with Quadratic Holonomic Constraints","authors":"Pierluigi Amodio, Luigi Brugnano, Gianluca Frasca-Caccia and Felice Iavernaro","doi":"10.4208/jcm.2301-m2022-0065","DOIUrl":"https://doi.org/10.4208/jcm.2301-m2022-0065","url":null,"abstract":"In this paper, we define arbitrarily high-order energy-conserving methods for Hamiltonian systems with quadratic holonomic constraints. The derivation of the methods is made within the so-called line integral framework. Numerical tests to illustrate the theoretical findings are presented.","PeriodicalId":50225,"journal":{"name":"Journal of Computational Mathematics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135705863","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Low-Rank Matrix Completion with Poisson Observations via Nuclear Norm and Total Variation Constraints 核范数和总变分约束下泊松观测的低秩矩阵补全
4区 数学
Journal of Computational Mathematics Pub Date : 2023-10-01 DOI: 10.4208/jcm.2309-m2023-0041
Duo Qiu, Michael K. Ng and Xiongjun Zhang
{"title":"Low-Rank Matrix Completion with Poisson Observations via Nuclear Norm and Total Variation Constraints","authors":"Duo Qiu, Michael K. Ng and Xiongjun Zhang","doi":"10.4208/jcm.2309-m2023-0041","DOIUrl":"https://doi.org/10.4208/jcm.2309-m2023-0041","url":null,"abstract":"","PeriodicalId":50225,"journal":{"name":"Journal of Computational Mathematics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135922213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Inexact Proximal DC Algorithm for the Large-Scale Cardinality Constrained Mean-Variance Model in Sparse Portfolio Selection 稀疏投资组合选择中大规模基数约束均值-方差模型的不精确近邻DC算法
4区 数学
Journal of Computational Mathematics Pub Date : 2023-10-01 DOI: 10.4208/jcm.2207-m2021-0349
Mingcai Ding, Xiaoliang Song and Bo Yu
{"title":"An Inexact Proximal DC Algorithm for the Large-Scale Cardinality Constrained Mean-Variance Model in Sparse Portfolio Selection","authors":"Mingcai Ding, Xiaoliang Song and Bo Yu","doi":"10.4208/jcm.2207-m2021-0349","DOIUrl":"https://doi.org/10.4208/jcm.2207-m2021-0349","url":null,"abstract":"","PeriodicalId":50225,"journal":{"name":"Journal of Computational Mathematics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136127578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Cell-Centered Godunov Method Based on Staggered Data Distribution, Part I: One-Dimensional Case 基于交错数据分布的以细胞为中心的Godunov方法，第一部分:一维情况
4区 数学
Journal of Computational Mathematics Pub Date : 2023-09-01 DOI: 10.4208/jcm.2301-m2022-0177
Jiayin Zhai, Xiao Li and Zhijun Shen
{"title":"A Cell-Centered Godunov Method Based on Staggered Data Distribution, Part I: One-Dimensional Case","authors":"Jiayin Zhai, Xiao Li and Zhijun Shen","doi":"10.4208/jcm.2301-m2022-0177","DOIUrl":"https://doi.org/10.4208/jcm.2301-m2022-0177","url":null,"abstract":"","PeriodicalId":50225,"journal":{"name":"Journal of Computational Mathematics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135349184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Linearly-Implicit Structure-Preserving Exponential Time Differencing Scheme for Hamiltonian PDEs Hamiltonian偏微分方程的线性隐式保结构指数时间差分格式
IF 0.9 4区 数学
Journal of Computational Mathematics Pub Date : 2023-09-01 DOI: 10.4208/jcm.2302-m2020-0279
Yayun Fu, Dongdong Hu, Wenjun Wang
{"title":"A Linearly-Implicit Structure-Preserving Exponential Time Differencing Scheme for Hamiltonian PDEs","authors":"Yayun Fu, Dongdong Hu, Wenjun Wang","doi":"10.4208/jcm.2302-m2020-0279","DOIUrl":"https://doi.org/10.4208/jcm.2302-m2020-0279","url":null,"abstract":"","PeriodicalId":50225,"journal":{"name":"Journal of Computational Mathematics","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41675485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Nonlocal Kronecker-Basis-Representation Method For Low-Dose CT Sinogram Recovery 低剂量CT正弦图恢复的非局部kronecker基表示方法
IF 0.9 4区 数学
Journal of Computational Mathematics Pub Date : 2023-09-01 DOI: 10.4208/jcm.2301-m2022-0091
Jian Lu, Huaxuan Hu, Yuru Zou, Zhaosong Lu, Xiaoxia Liu, Keke Zu and Lin Li
{"title":"A Nonlocal Kronecker-Basis-Representation Method For Low-Dose CT Sinogram Recovery","authors":"Jian Lu, Huaxuan Hu, Yuru Zou, Zhaosong Lu, Xiaoxia Liu, Keke Zu and Lin Li","doi":"10.4208/jcm.2301-m2022-0091","DOIUrl":"https://doi.org/10.4208/jcm.2301-m2022-0091","url":null,"abstract":"","PeriodicalId":50225,"journal":{"name":"Journal of Computational Mathematics","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41585247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Two-Grid Finite Element Method for Time-Fractional Nonlinear Schrödinger Equation 时间分数阶非线性Schrödinger方程的两网格有限元法
4区 数学
Journal of Computational Mathematics Pub Date : 2023-09-01 DOI: 10.4208/jcm.2302-m2022-0033
Hanzhang Hu, Yanping Chen and Jianwei Zhou
{"title":"Two-Grid Finite Element Method for Time-Fractional Nonlinear Schrödinger Equation","authors":"Hanzhang Hu, Yanping Chen and Jianwei Zhou","doi":"10.4208/jcm.2302-m2022-0033","DOIUrl":"https://doi.org/10.4208/jcm.2302-m2022-0033","url":null,"abstract":"","PeriodicalId":50225,"journal":{"name":"Journal of Computational Mathematics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135298648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Convergence of Modified Truncated Euler-Maruyama Method for Stochastic Differential Equations with Hölder Diffusion Coefficients 具有Hölder扩散系数的随机微分方程的改进截断Euler-Maruyama方法的收敛性
4区 数学
Journal of Computational Mathematics Pub Date : 2023-09-01 DOI: 10.4208/jcm.2302-m2022-0246
Guangqiang Lan and Yu Jiang
{"title":"Convergence of Modified Truncated Euler-Maruyama Method for Stochastic Differential Equations with Hölder Diffusion Coefficients","authors":"Guangqiang Lan and Yu Jiang","doi":"10.4208/jcm.2302-m2022-0246","DOIUrl":"https://doi.org/10.4208/jcm.2302-m2022-0246","url":null,"abstract":"","PeriodicalId":50225,"journal":{"name":"Journal of Computational Mathematics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135248623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficient Spectral Methods for Eigenvalue Problems of the Integral Fractional Laplacian on a Ball of any Dimension 任意维球上积分分数阶拉普拉斯特征值问题的有效谱方法
IF 0.9 4区 数学
Journal of Computational Mathematics Pub Date : 2023-08-01 DOI: 10.4208/jcm.2304-m2022-0243
Suna Ma, Hui-yuan Li, Zhimin Zhang, Hu Chen
{"title":"Efficient Spectral Methods for Eigenvalue Problems of the Integral Fractional Laplacian on a Ball of any Dimension","authors":"Suna Ma, Hui-yuan Li, Zhimin Zhang, Hu Chen","doi":"10.4208/jcm.2304-m2022-0243","DOIUrl":"https://doi.org/10.4208/jcm.2304-m2022-0243","url":null,"abstract":"","PeriodicalId":50225,"journal":{"name":"Journal of Computational Mathematics","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47863930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Convergence Analysis of Nonconforming Quadrilateral Finite Element Methods for Nonlinear Coupled Schrödinger-Helmholtz Equations 非线性耦合Schrödinger-Helmholtz方程非协调四边形有限元法的收敛性分析
4区 数学
Journal of Computational Mathematics Pub Date : 2023-06-01 DOI: 10.4208/jcm.2210-m2021-0337
Dongyang Shi and Houchao Zhang null
{"title":"Convergence Analysis of Nonconforming Quadrilateral Finite Element Methods for Nonlinear Coupled Schrödinger-Helmholtz Equations","authors":"Dongyang Shi and Houchao Zhang null","doi":"10.4208/jcm.2210-m2021-0337","DOIUrl":"https://doi.org/10.4208/jcm.2210-m2021-0337","url":null,"abstract":"","PeriodicalId":50225,"journal":{"name":"Journal of Computational Mathematics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135887813","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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