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APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20最新文献

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Preface: 10th International Conference on Isotopes (10ICI) 第十届国际同位素会议(10ICI)
APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20 Pub Date : 2020-12-03 DOI: 10.1063/12.0001385
KokKuan-Ying, NgYen, ZinMuhammad Rawi Muhamed, MahmoodZal U'yun Wan, AhmadZaiton, IdrisFaridah Mohamad, M. Ezwan, SipaunSusan Maria, TalibMarina, LeoKwee-Wah, HakCik Rohaida Che, MohamedNor Hasimah, MurshidiJulie Andrianny, WeeBoon-Siong
{"title":"Preface: 10th International Conference on Isotopes (10ICI)","authors":"KokKuan-Ying, NgYen, ZinMuhammad Rawi Muhamed, MahmoodZal U'yun Wan, AhmadZaiton, IdrisFaridah Mohamad, M. Ezwan, SipaunSusan Maria, TalibMarina, LeoKwee-Wah, HakCik Rohaida Che, MohamedNor Hasimah, MurshidiJulie Andrianny, WeeBoon-Siong","doi":"10.1063/12.0001385","DOIUrl":"https://doi.org/10.1063/12.0001385","url":null,"abstract":"","PeriodicalId":156284,"journal":{"name":"APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114845657","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modeling dynamic patterns from COVID-19 data using randomized dynamic mode decomposition in predictive mode and ARIMA 基于预测模式随机动态模式分解和ARIMA的COVID-19数据动态模式建模
APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20 Pub Date : 2020-12-03 DOI: 10.1063/5.0033963
D. Bistrian, G. Dimitriu, Ionel M. Navon
{"title":"Modeling dynamic patterns from COVID-19 data using randomized dynamic mode decomposition in predictive mode and ARIMA","authors":"D. Bistrian, G. Dimitriu, Ionel M. Navon","doi":"10.1063/5.0033963","DOIUrl":"https://doi.org/10.1063/5.0033963","url":null,"abstract":"The aim of this paper is to gain a deeper understanding of the new Corona virus (Covid-19) dynamics directly from the raw data reported by World Health Organization. We provide a high fidelity mathematical model, fast and computationally inexpensive for modeling the evolution of the pandemic worldwide and we develop an effcient tool for medium term prediction of pandemic dynamics, including infection spreading. We illustrate the excellent behavior of the non-intrusive reduced order model by performing a qualitative analysis.","PeriodicalId":156284,"journal":{"name":"APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129134913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Infinitesimally small deformation which preserves geodesic lines 保持测地线的无限小变形
APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20 Pub Date : 2020-12-03 DOI: 10.1063/5.0033749
T. Podousova, A. Ugol'nikov, V. Dumanska
{"title":"Infinitesimally small deformation which preserves geodesic lines","authors":"T. Podousova, A. Ugol'nikov, V. Dumanska","doi":"10.1063/5.0033749","DOIUrl":"https://doi.org/10.1063/5.0033749","url":null,"abstract":"This paper proves that regular right circular cylinder permits non-trivial infinitesimally small deformation, which preserves geodesic lines and any pieces of the given surface with an equal area. The above mentioned surface is uniquely defined by preliminary chosen non-zero function of a single variable and two meaningful constants. Under these conditions tensor fields are found in explicit way. Every deformation can be interpreted as momentless stressed state of cylindrical shell with a certain surface stress.","PeriodicalId":156284,"journal":{"name":"APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130885296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Participants: 9th Jagna International Workshop: Stochastic Analysis – Mathematical Methods and Real-World Models 参加者:第九届Jagna国际研讨会:随机分析-数学方法和现实世界模型
APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20 Pub Date : 2020-12-01 DOI: 10.1063/12.0001568
Victoria Carpio-Bernido
{"title":"Participants: 9th Jagna International Workshop: Stochastic Analysis – Mathematical Methods and Real-World Models","authors":"Victoria Carpio-Bernido","doi":"10.1063/12.0001568","DOIUrl":"https://doi.org/10.1063/12.0001568","url":null,"abstract":"","PeriodicalId":156284,"journal":{"name":"APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128199818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Soft hydraulics in channels with thick walls: The finite-Reynolds-number base state and its stability 厚壁河道软水力学:有限雷诺数基态及其稳定性
APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20 Pub Date : 2020-07-23 DOI: 10.1063/5.0033517
Xiaojia Wang, I. Christov
{"title":"Soft hydraulics in channels with thick walls: The finite-Reynolds-number base state and its stability","authors":"Xiaojia Wang, I. Christov","doi":"10.1063/5.0033517","DOIUrl":"https://doi.org/10.1063/5.0033517","url":null,"abstract":"We analyze the linear stability of the base state of the problem of coupled flow and deformation in a long and shallow rectangular soft hydraulic conduit with a thick top wall. Specifically, the steady base state is computed at low but finite Reynolds number. Then, we show that with the upstream flux fixed and the outlet pressure set to gauge, the flow is linearly stable to infinitesimal flow-wise perturbations. Multiple oscillatory but stable eigenmodes are computed in a range of the reduced Reynolds number, $hat{Re}$, and the so-called fluid--structure interaction (FSI) parameter, $lambda$, indicating the stiffness of this FSI system. These results provide a framework to address, in future work, the individual effects of various aspects of two-way FSI coupling on instability and flow transition in soft hydraulic conduits.","PeriodicalId":156284,"journal":{"name":"APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130504905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Multivariate time series approximation by multiple trajectories of a dynamical system. Applications to internet traffic and COVID-19 data 动力系统多轨迹的多元时间序列逼近。互联网流量和COVID-19数据的应用
APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20 Pub Date : 2020-02-13 DOI: 10.1063/5.0033648
Victoria Rayskin
{"title":"Multivariate time series approximation by multiple trajectories of a dynamical system. Applications to internet traffic and COVID-19 data","authors":"Victoria Rayskin","doi":"10.1063/5.0033648","DOIUrl":"https://doi.org/10.1063/5.0033648","url":null,"abstract":"Utilization of multiple trajectories of a dynamical system model provides us with several benefits in approximation of time series. For short term predictions a high accuracy can be achieved via switches to new trajectory at any time. Different long term trends (tendency to different stationary points) of the phase portrait characterize various scenarios of the process realization influenced by externalities. The dynamical system's phase portrait analysis helps to see if the equations properly describe the reality. We also extend the dynamical systems approach (discussed in cite{R5}) to the dynamical systems with external control. \u0000We illustrate these ideas with the help of new examples of the rental properties this http URL platform data. We also compare the qualitative properties of this http URL and this http URL platforms' phase portraits and the corresponding differences of the two platforms' users. In our last example with COVID-19 data we discuss the high accuracy of the short term prediction of confirmed infection cases, recovery cases and death cases in various countries.","PeriodicalId":156284,"journal":{"name":"APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129018496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
List of Participants: Application of Mathematics in Technical and Natural Sciences 12th International Conference – AMiTaNS’20 数学在技术与自然科学中的应用第12届国际会议- AMiTaNS ' 20
APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20 Pub Date : 2017-10-12 DOI: 10.1063/1.5007428
D. TodorovMichail
{"title":"List of Participants: Application of Mathematics in Technical and Natural Sciences 12th International Conference – AMiTaNS’20","authors":"D. TodorovMichail","doi":"10.1063/1.5007428","DOIUrl":"https://doi.org/10.1063/1.5007428","url":null,"abstract":"","PeriodicalId":156284,"journal":{"name":"APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127618386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photo: Application of Mathematics in Technical and Natural Sciences 12th International Conference – AMiTaNS’20 图:数学在技术与自然科学中的应用第12届国际会议- AMiTaNS ' 20
APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20 Pub Date : 2017-10-12 DOI: 10.1063/1.5007351
D. TodorovMichail
{"title":"Photo: Application of Mathematics in Technical and Natural Sciences 12th International Conference – AMiTaNS’20","authors":"D. TodorovMichail","doi":"10.1063/1.5007351","DOIUrl":"https://doi.org/10.1063/1.5007351","url":null,"abstract":"","PeriodicalId":156284,"journal":{"name":"APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123836001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photos: 9th Jagna International Workshop: Stochastic Analysis – Mathematical Methods and Real-world Models 图片:第九届Jagna国际研讨会:随机分析-数学方法和现实世界模型
APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20 Pub Date : 1900-01-01 DOI: 10.1063/12.0001624
{"title":"Photos: 9th Jagna International Workshop: Stochastic Analysis – Mathematical Methods and Real-world Models","authors":"","doi":"10.1063/12.0001624","DOIUrl":"https://doi.org/10.1063/12.0001624","url":null,"abstract":"","PeriodicalId":156284,"journal":{"name":"APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116614079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Author Index: 9th Jagna International Workshop: Stochastic Analysis – Mathematical Methods and Real-World Models 作者索引:第九届Jagna国际研讨会:随机分析-数学方法和现实世界模型
APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20 Pub Date : 1900-01-01 DOI: 10.1063/12.0001569
{"title":"Author Index: 9th Jagna International Workshop: Stochastic Analysis – Mathematical Methods and Real-World Models","authors":"","doi":"10.1063/12.0001569","DOIUrl":"https://doi.org/10.1063/12.0001569","url":null,"abstract":"","PeriodicalId":156284,"journal":{"name":"APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 12th International On-line Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’20","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134127457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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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