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Discrete and Continuous Dynamical Systems-Series B最新文献

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Boundedness and global stability in a three-species predator-prey system with prey-taxis 具有猎物趋向性的三种捕食者-猎物系统的有界性和全局稳定性
IF 1.2 4区 数学
Discrete and Continuous Dynamical Systems-Series B Pub Date : 2023-01-01 DOI: 10.3934/dcdsb.2023041
Pan Zheng
{"title":"Boundedness and global stability in a three-species predator-prey system with prey-taxis","authors":"Pan Zheng","doi":"10.3934/dcdsb.2023041","DOIUrl":"https://doi.org/10.3934/dcdsb.2023041","url":null,"abstract":"","PeriodicalId":51015,"journal":{"name":"Discrete and Continuous Dynamical Systems-Series B","volume":"15 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84669466","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: 1
Global well-posedness of regular solutions to the 1-D reduced gravity two-and-a-half layer model 一维简化重力两层半模型正则解的全局适定性
IF 1.2 4区 数学
Discrete and Continuous Dynamical Systems-Series B Pub Date : 2023-01-01 DOI: 10.3934/dcdsb.2023111
Shihao Zhang, Lusheng Wang
{"title":"Global well-posedness of regular solutions to the 1-D reduced gravity two-and-a-half layer model","authors":"Shihao Zhang, Lusheng Wang","doi":"10.3934/dcdsb.2023111","DOIUrl":"https://doi.org/10.3934/dcdsb.2023111","url":null,"abstract":"","PeriodicalId":51015,"journal":{"name":"Discrete and Continuous Dynamical Systems-Series B","volume":"18 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86153553","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
Global behavior of a two-species predator-prey chemotaxis model with signal-dependent diffusion and sensitivity 具有信号依赖扩散和灵敏度的两种捕食者-猎物趋化模型的全局行为
IF 1.2 4区 数学
Discrete and Continuous Dynamical Systems-Series B Pub Date : 2023-01-01 DOI: 10.3934/dcdsb.2023018
Liangying Miao, Shengmao Fu
{"title":"Global behavior of a two-species predator-prey chemotaxis model with signal-dependent diffusion and sensitivity","authors":"Liangying Miao, Shengmao Fu","doi":"10.3934/dcdsb.2023018","DOIUrl":"https://doi.org/10.3934/dcdsb.2023018","url":null,"abstract":"","PeriodicalId":51015,"journal":{"name":"Discrete and Continuous Dynamical Systems-Series B","volume":"45 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73478177","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: 2
Dynamics of a plant-herbivore system with Ricker plant growth and the strong Allee effects on plant population Ricker植物生长和强Allee对植物种群影响的植草食系统动态
IF 1.2 4区 数学
Discrete and Continuous Dynamical Systems-Series B Pub Date : 2023-01-01 DOI: 10.3934/dcdsb.2023108
E. Beso, S. Kalabušić, E. Pilav
{"title":"Dynamics of a plant-herbivore system with Ricker plant growth and the strong Allee effects on plant population","authors":"E. Beso, S. Kalabušić, E. Pilav","doi":"10.3934/dcdsb.2023108","DOIUrl":"https://doi.org/10.3934/dcdsb.2023108","url":null,"abstract":"","PeriodicalId":51015,"journal":{"name":"Discrete and Continuous Dynamical Systems-Series B","volume":"93 8 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87666534","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
Analytic Gelfand-Shilov smoothing effect of the spatially homogeneous Landau equation with hard potentials 具有硬势的空间齐次朗道方程的解析Gelfand-Shilov平滑效应
4区 数学
Discrete and Continuous Dynamical Systems-Series B Pub Date : 2023-01-01 DOI: 10.3934/dcdsb.2023157
Hao-Guang Li, Chao-Jiang Xu
{"title":"Analytic Gelfand-Shilov smoothing effect of the spatially homogeneous Landau equation with hard potentials","authors":"Hao-Guang Li, Chao-Jiang Xu","doi":"10.3934/dcdsb.2023157","DOIUrl":"https://doi.org/10.3934/dcdsb.2023157","url":null,"abstract":"In this work, we give an improved new argument to prove that the solution of the Cauchy problem for the nonlinear spatially homogeneous Landau equation with hard potentials with $ L^2(mathbb{R}^3) $ initial datum enjoys a analytic Gelfand-Shilov regularizing effect in the class $ S^1_1(mathbb{R}^3) $, the evolution of analytic radius is similar to the heat equation.","PeriodicalId":51015,"journal":{"name":"Discrete and Continuous Dynamical Systems-Series B","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135496192","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: 1
Oscillations and coexistence generated by discrete delays in a two-species competition model 两物种竞争模型中离散时滞产生的振荡与共存
4区 数学
Discrete and Continuous Dynamical Systems-Series B Pub Date : 2023-01-01 DOI: 10.3934/dcdsb.2023156
Xiaolan Wang, Chanaka Kottegoda, Chunhua Shan, Qihua Huang
{"title":"Oscillations and coexistence generated by discrete delays in a two-species competition model","authors":"Xiaolan Wang, Chanaka Kottegoda, Chunhua Shan, Qihua Huang","doi":"10.3934/dcdsb.2023156","DOIUrl":"https://doi.org/10.3934/dcdsb.2023156","url":null,"abstract":"One of the shortcomings of the classical Lotka-Volterra competition model is that both species' births are assumed to be instantaneous, whereas developmental and maturation processes may cause time delays. We extend the Lotka-Volterra competition model to a delayed model based on a single species delayed model in this paper. The effects of two discrete delays on competition outcomes are investigated. Our theoretical and numerical results show that delays can cause the loss of stability of equilibria and the emergence of periodic solutions (i.e., population density oscillations) via Hopf bifurcation, lead to exclusion by changing the stability of coexistence equilibrium, and boost coexistence even if the coexistence equilibrium point does not exist.","PeriodicalId":51015,"journal":{"name":"Discrete and Continuous Dynamical Systems-Series B","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135595503","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
Quantized vortex dynamics of the nonlinear wave equation on the torus 环面上非线性波动方程的量化涡动力学
4区 数学
Discrete and Continuous Dynamical Systems-Series B Pub Date : 2023-01-01 DOI: 10.3934/dcdsb.2023188
Yongxing Zhu
{"title":"Quantized vortex dynamics of the nonlinear wave equation on the torus","authors":"Yongxing Zhu","doi":"10.3934/dcdsb.2023188","DOIUrl":"https://doi.org/10.3934/dcdsb.2023188","url":null,"abstract":"We rigorously derive the reduced dynamical law for quantized vortex dynamics of the nonlinear wave equation on the torus when the core size of vortex $ varepsilonto 0 $. It is proved that the reduced dynamical law is a system consisting of second-order nonlinear ordinary differential equations driven by the renormalized energy on the torus, and the initial data of the reduced dynamical law is determined by the positions of vortices and the limit momentum of the solution of the nonlinear wave equation. We will also investigate the effect of the limit momentum on the vortex dynamics via numerical simulation.","PeriodicalId":51015,"journal":{"name":"Discrete and Continuous Dynamical Systems-Series B","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135709286","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: 1
Dynamics of a Leslie-Gower predator-prey model with advection and free boundaries 具有平流和自由边界的Leslie-Gower捕食者-猎物模型动力学
IF 1.2 4区 数学
Discrete and Continuous Dynamical Systems-Series B Pub Date : 2023-01-01 DOI: 10.3934/dcdsb.2023097
Yingshu Zhang, Yutian Li
{"title":"Dynamics of a Leslie-Gower predator-prey model with advection and free boundaries","authors":"Yingshu Zhang, Yutian Li","doi":"10.3934/dcdsb.2023097","DOIUrl":"https://doi.org/10.3934/dcdsb.2023097","url":null,"abstract":"","PeriodicalId":51015,"journal":{"name":"Discrete and Continuous Dynamical Systems-Series B","volume":"6 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73035729","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 short remark on comparison estimates in a chemotaxis system with local sensing 略论局部传感趋化系统的比较估计
IF 1.2 4区 数学
Discrete and Continuous Dynamical Systems-Series B Pub Date : 2023-01-01 DOI: 10.3934/dcdsb.2023017
Kentarou Fujie
{"title":"A short remark on comparison estimates in a chemotaxis system with local sensing","authors":"Kentarou Fujie","doi":"10.3934/dcdsb.2023017","DOIUrl":"https://doi.org/10.3934/dcdsb.2023017","url":null,"abstract":"","PeriodicalId":51015,"journal":{"name":"Discrete and Continuous Dynamical Systems-Series B","volume":"283 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80212279","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: 1
Weighted input-to-output practical stability of non-autonomous infinite-dimensional systems with disturbances 具有扰动的非自治无限维系统的加权输入输出实际稳定性
IF 1.2 4区 数学
Discrete and Continuous Dynamical Systems-Series B Pub Date : 2023-01-01 DOI: 10.3934/dcdsb.2022253
H. Damak
{"title":"Weighted input-to-output practical stability of non-autonomous infinite-dimensional systems with disturbances","authors":"H. Damak","doi":"10.3934/dcdsb.2022253","DOIUrl":"https://doi.org/10.3934/dcdsb.2022253","url":null,"abstract":"","PeriodicalId":51015,"journal":{"name":"Discrete and Continuous Dynamical Systems-Series B","volume":"190 4 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79031624","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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