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Communications in Mathematical Analysis最新文献

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About Subspace-Frequently Hypercyclic Operators 关于子空间频繁超循环算子
Communications in Mathematical Analysis Pub Date : 2020-07-01 DOI: 10.22130/SCMA.2020.117046.707
M. Moosapoor, M. Shahriari
{"title":"About Subspace-Frequently Hypercyclic Operators","authors":"M. Moosapoor, M. Shahriari","doi":"10.22130/SCMA.2020.117046.707","DOIUrl":"https://doi.org/10.22130/SCMA.2020.117046.707","url":null,"abstract":"In this paper, we introduce subspace-frequently hypercyclic operators. We show that these operators are subspace-hypercyclic and there are subspace-hypercyclic  operators that are not subspace-frequently hypercyclic. There is a criterion like to subspace-hypercyclicity criterion that implies subspace-frequent hypercyclicity and if an operator $T$ satisfies this criterion, then $Toplus T$ is subspace-frequently hypercyclic. Additionally, operators on finite spaces can not  be subspace-frequently hypercyclic.","PeriodicalId":38924,"journal":{"name":"Communications in Mathematical Analysis","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41847359","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
On Some Characterization of Generalized Representation Wave-Packet Frames Based on Some Dilation Group 基于扩张群的广义表示波包帧的一些性质
Communications in Mathematical Analysis Pub Date : 2020-07-01 DOI: 10.22130/SCMA.2019.106144.592
A. Razghandi, A. Arefijamaal
{"title":"On Some Characterization of Generalized Representation Wave-Packet Frames Based on Some Dilation Group","authors":"A. Razghandi, A. Arefijamaal","doi":"10.22130/SCMA.2019.106144.592","DOIUrl":"https://doi.org/10.22130/SCMA.2019.106144.592","url":null,"abstract":"In this paper we consider  (extended) metaplectic representation of the  semidirect product  $G_{mathbb{J}}=mathbb{R}^{2d}timesmathbb{J}$  where $mathbb{J}$ is a closed subgroup of $Sp(d,mathbb{R})$, the symplectic group. We will investigate continuous representation frame on $G_{mathbb{J}}$. We also discuss the existence of duals for such frames and give several characterization for them. Finally, we rewrite the dual conditions, by using the Wigner distribution and obtain more reconstruction formulas.","PeriodicalId":38924,"journal":{"name":"Communications in Mathematical Analysis","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49375228","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
Weighted Composition Operators Between Extended Lipschitz Algebras on Compact Metric Spaces 紧度量空间上扩展Lipschitz代数间的加权复合算子
Communications in Mathematical Analysis Pub Date : 2020-07-01 DOI: 10.22130/SCMA.2020.114523.680
Reyhaneh Bagheri, D. Alimohammadi
{"title":"Weighted Composition Operators Between Extended Lipschitz Algebras on Compact Metric Spaces","authors":"Reyhaneh Bagheri, D. Alimohammadi","doi":"10.22130/SCMA.2020.114523.680","DOIUrl":"https://doi.org/10.22130/SCMA.2020.114523.680","url":null,"abstract":"‎In this paper, we provide a complete description of weighted composition operators between extended Lipschitz algebras on compact metric spaces. We give necessary and sufficient conditions for the injectivity and the sujectivity of these operators. We also obtain some sufficient conditions and some necessary conditions for a weighted composition operator between these spaces to be compact.","PeriodicalId":38924,"journal":{"name":"Communications in Mathematical Analysis","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46010482","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
Strong Convergence of the Iterations of Quasi $phi$-nonexpansive Mappings and its Applications in Banach Spaces 拟$ φ $-非扩张映射迭代的强收敛性及其在Banach空间中的应用
Communications in Mathematical Analysis Pub Date : 2020-07-01 DOI: 10.22130/SCMA.2019.115400.687
Rasoul Jahed, H. Vaezi, H. Piri
{"title":"Strong Convergence of the Iterations of Quasi $phi$-nonexpansive Mappings and its Applications in Banach Spaces","authors":"Rasoul Jahed, H. Vaezi, H. Piri","doi":"10.22130/SCMA.2019.115400.687","DOIUrl":"https://doi.org/10.22130/SCMA.2019.115400.687","url":null,"abstract":"In this paper, we study the iterations of quasi $phi$-nonexpansive mappings and its applications in Banach spaces. At the first, we prove strong convergence of the sequence generated by the hybrid proximal point method to a common fixed point of a family of quasi $phi$-nonexpansive mappings.  Then, we give  applications of our main results in equilibrium problems.","PeriodicalId":38924,"journal":{"name":"Communications in Mathematical Analysis","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48735588","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
Using Copulas to Model Dependence Between Crude Oil Prices of West Texas Intermediate and Brent-Europe 用Copulas模拟西德克萨斯中质原油和欧洲布伦特原油价格的相关性
Communications in Mathematical Analysis Pub Date : 2020-06-22 DOI: 10.22130/SCMA.2020.117584.713
V. Najjari
{"title":"Using Copulas to Model Dependence Between Crude Oil Prices of West Texas Intermediate and Brent-Europe","authors":"V. Najjari","doi":"10.22130/SCMA.2020.117584.713","DOIUrl":"https://doi.org/10.22130/SCMA.2020.117584.713","url":null,"abstract":"In this study the main endeavor is to model dependence structure  between crude oil prices of West Texas Intermediate (WTI) and Brent - Europe.  The main activity is on concentrating copula technique which is powerful technique in modeling dependence structures.  Beside several well known Archimedean copulas, three new Archimedean families are used which have recently presented to the literature. Moreover, convex combination of these copulas also  are investigated on modeling of the mentioned dependence structure. Modeling process is relied on 318 data  which are average of the monthly prices from Jun-1992 to Oct-2018.","PeriodicalId":38924,"journal":{"name":"Communications in Mathematical Analysis","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41561298","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
Continuous $ k $-Frames and their Dual in Hilbert Spaces Hilbert空间中的连续$ k $-帧及其对偶
Communications in Mathematical Analysis Pub Date : 2020-06-22 DOI: 10.22130/SCMA.2019.115719.691
Gholamreza Rahimlou, R. Ahmadi, M. Jafarizadeh, S. Nami
{"title":"Continuous $ k $-Frames and their Dual in Hilbert Spaces","authors":"Gholamreza Rahimlou, R. Ahmadi, M. Jafarizadeh, S. Nami","doi":"10.22130/SCMA.2019.115719.691","DOIUrl":"https://doi.org/10.22130/SCMA.2019.115719.691","url":null,"abstract":"The notion of $k$-frames was recently introduced by Gu avruc ta in Hilbert  spaces to study atomic systems with respect to a bounded linear operator. A continuous frame is a family of vectors in a Hilbert space which allows reproductions of arbitrary elements by continuous super positions. In this manuscript, we construct a continuous $k$-frame, so called c$k$-frame along with an atomic system for this version of frames. Also we introduce a new method for obtaining the dual of a c$k$-frame and prove some new results about it.","PeriodicalId":38924,"journal":{"name":"Communications in Mathematical Analysis","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42020854","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
Integral Operators on the Besov Spaces and Subclasses of Univalent Functions Besov空间和一元函数子类上的积分算子
Communications in Mathematical Analysis Pub Date : 2020-06-22 DOI: 10.22130/SCMA.2019.109347.625
Z. Orouji, A. Ebadian
{"title":"Integral Operators on the Besov Spaces and Subclasses of Univalent Functions","authors":"Z. Orouji, A. Ebadian","doi":"10.22130/SCMA.2019.109347.625","DOIUrl":"https://doi.org/10.22130/SCMA.2019.109347.625","url":null,"abstract":"‎In this note, we study the integral operators $I_{g}^{gamma, alpha}$ and $J_{g}^{gamma, alpha}$ of an analytic function $g$ on convex and starlike functions of a complex order. Then, we investigate the same operators on $H^{infty}$ and Besov spaces.","PeriodicalId":38924,"journal":{"name":"Communications in Mathematical Analysis","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42884300","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
Bornological Completion of Locally Convex Cones 局部凸锥的线形补全
Communications in Mathematical Analysis Pub Date : 2020-06-01 DOI: 10.22130/SCMA.2019.107061.601
Davood Ayaseh, A. Ranjbari
{"title":"Bornological Completion of Locally Convex Cones","authors":"Davood Ayaseh, A. Ranjbari","doi":"10.22130/SCMA.2019.107061.601","DOIUrl":"https://doi.org/10.22130/SCMA.2019.107061.601","url":null,"abstract":"In this paper, firstly, we obtain some new results about bornological convergence in locally convex cones (which was studied in [1]) and then we introduce the concept of bornological completion for locally convex cones. Also, we prove that the completion of a bornological locally convex cone is bornological. We illustrate the main result by an example.","PeriodicalId":38924,"journal":{"name":"Communications in Mathematical Analysis","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45396968","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
New Generalization of Darbo's Fixed Point Theorem via $alpha$-admissible Simulation Functions with Application -允许仿真函数对Darbo不动点定理的新推广及其应用
Communications in Mathematical Analysis Pub Date : 2020-06-01 DOI: 10.22130/SCMA.2018.84950.427
Hossein Monfared, M. Asadi, A. Farajzadeh
{"title":"New Generalization of Darbo's Fixed Point Theorem via $alpha$-admissible Simulation Functions with Application","authors":"Hossein Monfared, M. Asadi, A. Farajzadeh","doi":"10.22130/SCMA.2018.84950.427","DOIUrl":"https://doi.org/10.22130/SCMA.2018.84950.427","url":null,"abstract":"In this paper, at first, we introduce $alpha_{mu}$-admissible, $Z_mu$-contraction and  $N_{mu}$-contraction via simulation functions. We prove some new fixed point theorems for defined class of contractions   via $alpha$-admissible simulation mappings, as well. Our results  can be viewed as extension of the corresponding results in this area.  Moreover, some examples and an application to functional integral equations are given to support the obtained results.","PeriodicalId":38924,"journal":{"name":"Communications in Mathematical Analysis","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43853061","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: 4
On the Monotone Mappings in CAT(0) Spaces 关于CAT(0)空间中的单调映射
Communications in Mathematical Analysis Pub Date : 2020-06-01 DOI: 10.22130/SCMA.2019.69719.273
D. A. Taba, H. Dehghan
{"title":"On the Monotone Mappings in CAT(0) Spaces","authors":"D. A. Taba, H. Dehghan","doi":"10.22130/SCMA.2019.69719.273","DOIUrl":"https://doi.org/10.22130/SCMA.2019.69719.273","url":null,"abstract":"In this paper, we first introduce a monotone mapping and its resolvent in general metric spaces.Then, we give two new iterative methods  by combining the resolvent method with Halpern's iterative method and viscosity approximation method for  finding a fixed point of monotone mappings and a solution of variational inequalities. We prove convergence theorems of the proposed iterations  in CAT(0) metric spaces.","PeriodicalId":38924,"journal":{"name":"Communications in Mathematical Analysis","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41325334","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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