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A blow-up criterion for the 3d full magnetohydrodynamic equations 三维全磁流体动力学方程的爆破判据
International Journal of Mathematical Analysis Pub Date : 2014-02-21 DOI: 10.12988/IJMA.2014.312298
Jishan Fan, T. Ozawa
{"title":"A blow-up criterion for the 3d full magnetohydrodynamic equations","authors":"Jishan Fan, T. Ozawa","doi":"10.12988/IJMA.2014.312298","DOIUrl":"https://doi.org/10.12988/IJMA.2014.312298","url":null,"abstract":"In this paper we establish a regularity criterion for the 3D incompressible full MHD equations with variable viscosity. Mathematics Subject Classifications: 35Q30, 76D03, 76D09","PeriodicalId":431531,"journal":{"name":"International Journal of Mathematical Analysis","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125495277","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: 1
Product Theorem for Quaternion Fourier Transform 四元数傅里叶变换的乘积定理
International Journal of Mathematical Analysis Pub Date : 2014-02-15 DOI: 10.12988/IJMA.2014.311290
M. Bahri
{"title":"Product Theorem for Quaternion Fourier Transform","authors":"M. Bahri","doi":"10.12988/IJMA.2014.311290","DOIUrl":"https://doi.org/10.12988/IJMA.2014.311290","url":null,"abstract":"This paper presents in some detail the quaternion Fourier transform (QFT) of the product of two quaternion functions. It is shown that the proposed product theorem for the QFT is closely related to the convolution in the quaternion Fourier domain.","PeriodicalId":431531,"journal":{"name":"International Journal of Mathematical Analysis","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128365709","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
Exact remainder formula for the young inequality and applications 杨不等式的精确余数公式及其应用
International Journal of Mathematical Analysis Pub Date : 2013-11-05 DOI: 10.12988/IJMA.2013.39230
K. Fujiwara, T. Ozawa
{"title":"Exact remainder formula for the young inequality and applications","authors":"K. Fujiwara, T. Ozawa","doi":"10.12988/IJMA.2013.39230","DOIUrl":"https://doi.org/10.12988/IJMA.2013.39230","url":null,"abstract":"","PeriodicalId":431531,"journal":{"name":"International Journal of Mathematical Analysis","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134394954","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
The homotopic invariance for fixed points of set-valued mappings in banach spaces banach空间中集值映射不动点的同伦不变性
International Journal of Mathematical Analysis Pub Date : 2013-10-31 DOI: 10.12988/IJMA.2013.35118
B. Panyanak
{"title":"The homotopic invariance for fixed points of set-valued mappings in banach spaces","authors":"B. Panyanak","doi":"10.12988/IJMA.2013.35118","DOIUrl":"https://doi.org/10.12988/IJMA.2013.35118","url":null,"abstract":"We obtain the homotopic invariance for fixed points of set-valued contractions and nonexpansive mappings whose domain is a bounded nonexpansive retract and nonempty interior subset of a uniformly convex Banach space. This gives a partial answer to a problem posed by Sims, Xu and Yuan (2001).","PeriodicalId":431531,"journal":{"name":"International Journal of Mathematical Analysis","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121723352","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: 1
Higher-Order Daehee Numbers and Polynomials 高阶大喜数与多项式
International Journal of Mathematical Analysis Pub Date : 2013-10-17 DOI: 10.12988/IJMA.2014.4118
Dae San Kim, Taekyun Kim
{"title":"Higher-Order Daehee Numbers and Polynomials","authors":"Dae San Kim, Taekyun Kim","doi":"10.12988/IJMA.2014.4118","DOIUrl":"https://doi.org/10.12988/IJMA.2014.4118","url":null,"abstract":"Recently, Daehee numbers and polynomials are introduced by the authors. In this paper, we consider the Daehee numbers and polynomials of order k (∈ N) and give some relation between Daehee polynomials of order k(∈ N) and special polynomials.","PeriodicalId":431531,"journal":{"name":"International Journal of Mathematical Analysis","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129454463","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: 29
Relationships between Convolution and Correlation for Fourier Transform and Quaternion Fourier Transform 傅里叶变换与四元数傅里叶变换的卷积与相关关系
International Journal of Mathematical Analysis Pub Date : 2013-08-15 DOI: 10.12988/IJMA.2013.36157
M. Bahri
{"title":"Relationships between Convolution and Correlation for Fourier Transform and Quaternion Fourier Transform","authors":"M. Bahri","doi":"10.12988/IJMA.2013.36157","DOIUrl":"https://doi.org/10.12988/IJMA.2013.36157","url":null,"abstract":"In this paper we introduce convolution theorem for the Fourier transform (FT) of two complex functions. We show that the correlation theorem for the FT can be derived using properties of convolution. We develop this idea to derive the correlation theorem for the quaternion Fourier transform (QFT) of the two quaternion functions.","PeriodicalId":431531,"journal":{"name":"International Journal of Mathematical Analysis","volume":"04 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127193079","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: 18
Coupled coincidence point theorems for ?-contractive under (f, g)-invariant set in complete metric space 完备度量空间中(f, g)不变集合下?-压缩的耦合重合点定理
International Journal of Mathematical Analysis Pub Date : 2013-06-11 DOI: 10.12988/IJMA.2013.3484
P. Charoensawan, Chalongchai Klanarong
{"title":"Coupled coincidence point theorems for ?-contractive under (f, g)-invariant set in complete metric space","authors":"P. Charoensawan, Chalongchai Klanarong","doi":"10.12988/IJMA.2013.3484","DOIUrl":"https://doi.org/10.12988/IJMA.2013.3484","url":null,"abstract":"In this paper, we prove existence of a coupled coincidence point theorem and coupled common fixed point theorem for φ-contractive mappings in partially ordered complete metric space without the mixed g-monotone property by using the concept of an (F, g)-invariant set. We prove some coupled fixed point theorems for such nonlinear contractive mappings in a complete metric space.Our results are generalization of the results of Wutiphol Sintunavarat, Poom Kumam and Yeol Je Cho (Coupled fixed point theorems for nonlinear contractions without mixed monotone property, Fixed Point Theory and Applications 2012,2012:170.).","PeriodicalId":431531,"journal":{"name":"International Journal of Mathematical Analysis","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115518250","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: 8
On parameter estimation for malaysian gold prices modelling and forecasting 马来西亚黄金价格建模与预测的参数估计
International Journal of Mathematical Analysis Pub Date : 2013-03-13 DOI: 10.12988/IJMA.2013.13106
N. Miswan, Pung Yean Ping, Maizah Hura Ahmad
{"title":"On parameter estimation for malaysian gold prices modelling and forecasting","authors":"N. Miswan, Pung Yean Ping, Maizah Hura Ahmad","doi":"10.12988/IJMA.2013.13106","DOIUrl":"https://doi.org/10.12988/IJMA.2013.13106","url":null,"abstract":"Abstract In developing a time series model, parameter estimation is one of the crucial steps. Common methods of estimation include method of moment (MME), ordinary least square estimation (OLS) and maximum likelihood estimation (MLE). The purpose of the current study is to model and forecast the prices of Malaysian gold called kijang emas using Box-Jenkins methodology. To find the best model, parameter estimates using OLS and MLE were computed. Based on the Akaike information criteria (AIC) and mean absolute percentage error (MAPE), the model estimated with OLS was found to perform better. Keywords : parameter estimation, ordinary least square estimation, maximum likelihood estimation 1 Introduction Kijang Emas is the official Malaysian gold bullion coin minted by the Royal Mint of Malaysia. Kijang emas prices are volatile with huge price swings. Volatility refers to a condition where the conditional variance changes between extremely high and low values. The forecasting of","PeriodicalId":431531,"journal":{"name":"International Journal of Mathematical Analysis","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131086606","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: 19
Generalizations of Integral Inequalities Similar of Snow's Type with Application 类似Snow型积分不等式的推广及其应用
International Journal of Mathematical Analysis Pub Date : 1900-01-01 DOI: 10.12988/IJMA.2013.36135
Z. Khan
{"title":"Generalizations of Integral Inequalities Similar of Snow's Type with Application","authors":"Z. Khan","doi":"10.12988/IJMA.2013.36135","DOIUrl":"https://doi.org/10.12988/IJMA.2013.36135","url":null,"abstract":"The aim of the present paper is to establish some new integral inequalities of Snow's type involving functions of two independent variables which provide explicit bounds on unknown functions. The inequalities given here can be used as tools in the qualitative theory of certain partial differential equations.","PeriodicalId":431531,"journal":{"name":"International Journal of Mathematical Analysis","volume":"618 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":"115379964","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
AEG property of a cell cycle model with quiescence in the light of translation semigroups 翻译半群下细胞周期静止模型的AEG性质
International Journal of Mathematical Analysis Pub Date : 1900-01-01 DOI: 10.12988/IJMA.2015.59221
L. Alaoui, Y. Alaoui
{"title":"AEG property of a cell cycle model with quiescence in the light of translation semigroups","authors":"L. Alaoui, Y. Alaoui","doi":"10.12988/IJMA.2015.59221","DOIUrl":"https://doi.org/10.12988/IJMA.2015.59221","url":null,"abstract":"Abstract A linear cell cycle model with cells either in a proliferating or a quiescent state is analyzed using the theory developed for the class of translation semigroups that are associated with a core operator φ and are solutions of equations of the type m(t) = φ(mt). This allows us to give properties of the solution semigroup of the model such as existence, uniqueness, positivity, compactness and spectral properties in order to conclude the asynchronous exponential growth property (AEG) for the model. In particular a characterization of the malthusian parameter in the AEG property is given and all established results are derived by only using properties of the model’s core operator.","PeriodicalId":431531,"journal":{"name":"International Journal of Mathematical Analysis","volume":"4 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":"121807743","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
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