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International Journal of Computer Mathematics最新文献

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Projection-type method with line-search process for solving variational inequalities 求解变分不等式的带线搜索过程的投影型方法
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-02-26 DOI: 10.1080/00207160.2024.2321361
Min Li, Chuan Qin, Prasit Cholamjiak, Papatsara Inkrong
{"title":"Projection-type method with line-search process for solving variational inequalities","authors":"Min Li, Chuan Qin, Prasit Cholamjiak, Papatsara Inkrong","doi":"10.1080/00207160.2024.2321361","DOIUrl":"https://doi.org/10.1080/00207160.2024.2321361","url":null,"abstract":"We propose an accelerated projection-type method for solving variational inequalities in Hilbert spaces. The method is suitable for pseudomonotone non-Lipschitz continuous operators and obtains str...","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140005672","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 optimization method for solving a general class of the inverse system of nonlinear fractional order PDEs 求解非线性分数阶 PDE 逆系统一般类别的优化方法
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-02-13 DOI: 10.1080/00207160.2024.2316751
Z. Avazzadeh, H. Hassani, M. J. Ebadi, A. Bayati Eshkaftaki, A. S. Hendy
{"title":"An optimization method for solving a general class of the inverse system of nonlinear fractional order PDEs","authors":"Z. Avazzadeh, H. Hassani, M. J. Ebadi, A. Bayati Eshkaftaki, A. S. Hendy","doi":"10.1080/00207160.2024.2316751","DOIUrl":"https://doi.org/10.1080/00207160.2024.2316751","url":null,"abstract":"In this paper, we introduce a general class of the inverse system of nonlinear fractional order partial differential equations (GCISNF-PDEs) with initial-boundary and two overdetermination conditio...","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139771050","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
Energy dissipation law of the variable time-step fractional BDF2 scheme for the time fractional molecular beam epitaxial model 时间分数分子束外延模型的可变时间步长分数 BDF2 方案的能量耗散规律
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-02-11 DOI: 10.1080/00207160.2024.2315131
Xuan Zhao, Zhuhan Jiang, Hong Sun
{"title":"Energy dissipation law of the variable time-step fractional BDF2 scheme for the time fractional molecular beam epitaxial model","authors":"Xuan Zhao, Zhuhan Jiang, Hong Sun","doi":"10.1080/00207160.2024.2315131","DOIUrl":"https://doi.org/10.1080/00207160.2024.2315131","url":null,"abstract":"In this work, we take a consideration of the time fractional molecular beam epitaxial(MBE) models. The variable time-step BDF2 methods are proposed for time fractional MBE models in order to obtain...","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139771295","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 parallel high-order accuracy algorithm for the Helmholtz equations 亥姆霍兹方程的并行高阶精度算法
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-02-08 DOI: 10.1080/00207160.2024.2305143
Tiantian Bao, Xiufang Feng
{"title":"A parallel high-order accuracy algorithm for the Helmholtz equations","authors":"Tiantian Bao, Xiufang Feng","doi":"10.1080/00207160.2024.2305143","DOIUrl":"https://doi.org/10.1080/00207160.2024.2305143","url":null,"abstract":"The numerical solution of the Helmholtz equations is challenging to compute when the wave numbers contained in the governing equation are large. In this paper, we present a parallel algorithm for t...","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139771408","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
The solution for singularly perturbed differential-difference equation with boundary layers at both ends by a numerical integration method 用数值积分方法求解两端有边界层的奇异扰动微分差分方程
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-02-06 DOI: 10.1080/00207160.2024.2312891
Raghvendra Pratap Singh, Y. N. Reddy
{"title":"The solution for singularly perturbed differential-difference equation with boundary layers at both ends by a numerical integration method","authors":"Raghvendra Pratap Singh, Y. N. Reddy","doi":"10.1080/00207160.2024.2312891","DOIUrl":"https://doi.org/10.1080/00207160.2024.2312891","url":null,"abstract":"This paper presents a numerical integration method for the solution of ‘Singularly Perturbed Differential-Difference Equations' having dual layers. It is well known that when we use already existin...","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139768787","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-step Runge–Kutta methods for Volterra integro-differential equations Volterra 积分微分方程的两步 Runge-Kutta 方法
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-02-02 DOI: 10.1080/00207160.2023.2301555
Jiao Wen, Chengming Huang, Hongbo Guan
{"title":"Two-step Runge–Kutta methods for Volterra integro-differential equations","authors":"Jiao Wen, Chengming Huang, Hongbo Guan","doi":"10.1080/00207160.2023.2301555","DOIUrl":"https://doi.org/10.1080/00207160.2023.2301555","url":null,"abstract":"In this paper, we investigate two-step Runge–Kutta methods to solve Volterra integro-differential equations. Two-step Runge–Kutta methods increase the order of convergence in comparing the classica...","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139670298","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
Analysis of a stochastic model for a prey–predator system with an indirect effect 具有间接效应的捕食者-捕食者系统随机模型分析
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-01-29 DOI: 10.1080/00207160.2024.2309484
Leila Torkzadeh, Milad Fahimi, Hassan Ranjbar, Kazem Nouri
{"title":"Analysis of a stochastic model for a prey–predator system with an indirect effect","authors":"Leila Torkzadeh, Milad Fahimi, Hassan Ranjbar, Kazem Nouri","doi":"10.1080/00207160.2024.2309484","DOIUrl":"https://doi.org/10.1080/00207160.2024.2309484","url":null,"abstract":"In the current work, we develop and analyse a prey–predator model as a semi-Kolmogorov population model in which the predator has an indirect effect on the prey. The functional response of the mode...","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139586666","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 space-time second-order method based on modified two-grid algorithm with second-order backward difference formula for the extended Fisher–Kolmogorov equation 基于改进双网格算法的时空二阶方法与扩展费希尔-科尔莫戈罗夫方程的二阶后向差分公式
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-01-25 DOI: 10.1080/00207160.2024.2306168
Kai Li, Wei Liu, Y. Song, Gexian Fan
{"title":"A space-time second-order method based on modified two-grid algorithm with second-order backward difference formula for the extended Fisher–Kolmogorov equation","authors":"Kai Li, Wei Liu, Y. Song, Gexian Fan","doi":"10.1080/00207160.2024.2306168","DOIUrl":"https://doi.org/10.1080/00207160.2024.2306168","url":null,"abstract":"","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139595813","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
Legendre collocation method for new generalized fractional advection-diffusion equation 新广义分数平流扩散方程的 Legendre 搭配法
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-01-18 DOI: 10.1080/00207160.2024.2305640
Sandeep Kumar, Kamlesh Kumar, Rajeshwari Pandey, Yufeng Xu
{"title":"Legendre collocation method for new generalized fractional advection-diffusion equation","authors":"Sandeep Kumar, Kamlesh Kumar, Rajeshwari Pandey, Yufeng Xu","doi":"10.1080/00207160.2024.2305640","DOIUrl":"https://doi.org/10.1080/00207160.2024.2305640","url":null,"abstract":"","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139525873","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 dynamical mathematical model for crime evolution based on a compartmental system with interactions 基于相互作用的分区系统的犯罪演变动态数学模型
IF 1.8 4区 数学
International Journal of Computer Mathematics Pub Date : 2024-01-11 DOI: 10.1080/00207160.2024.2302840
J. Calatayud, M. Jornet, Jorge Mateu
{"title":"A dynamical mathematical model for crime evolution based on a compartmental system with interactions","authors":"J. Calatayud, M. Jornet, Jorge Mateu","doi":"10.1080/00207160.2024.2302840","DOIUrl":"https://doi.org/10.1080/00207160.2024.2302840","url":null,"abstract":"","PeriodicalId":13911,"journal":{"name":"International Journal of Computer Mathematics","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139534332","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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