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Journal of Mathematical Inequalities最新文献

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Norm-parallelism of Hilbert space operators and the Davis-Wielandt Berezin number Hilbert空间算子的范数并行性和Davis-Wielandt Berezin数
IF 2.9 3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-17
M. Alomari, M. Hajmohamadi, M. Bakherad
{"title":"Norm-parallelism of Hilbert space operators and the Davis-Wielandt Berezin number","authors":"M. Alomari, M. Hajmohamadi, M. Bakherad","doi":"10.7153/jmi-2023-17-17","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-17","url":null,"abstract":". In this work, the concept of the Davis-Wielandt Berezin number is introduced. Some upper and lower bounds for the Davis-Wielandt Berezin number are introduced. A connection between norm-parallelism to the identity operator and an equality condition for the Davis-Wielandt Berezin number are also discussed. Some bounds for the Davis-Wielandt Berezin number for n × n operator matrices are established.","PeriodicalId":49165,"journal":{"name":"Journal of Mathematical Inequalities","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71166421","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Anisotropic nonlinear elliptic system with degenerate coercivity and L^m data 具有退化矫顽力和L^m数据的各向异性非线性椭圆系统
3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-80
Nour Elhouda Allaoui, Fares Mokhtari
{"title":"Anisotropic nonlinear elliptic system with degenerate coercivity and L^m data","authors":"Nour Elhouda Allaoui, Fares Mokhtari","doi":"10.7153/jmi-2023-17-80","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-80","url":null,"abstract":"","PeriodicalId":49165,"journal":{"name":"Journal of Mathematical Inequalities","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135002949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
On strong deviation theorems concerning array of random variables with applications 关于随机变量数组的强偏差定理及其应用
3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-69
Ya-hui Zhu, Wei-cai Peng, Yong-jin Zhang, Wei-Guo Yang
{"title":"On strong deviation theorems concerning array of random variables with applications","authors":"Ya-hui Zhu, Wei-cai Peng, Yong-jin Zhang, Wei-Guo Yang","doi":"10.7153/jmi-2023-17-69","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-69","url":null,"abstract":"","PeriodicalId":49165,"journal":{"name":"Journal of Mathematical Inequalities","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136373186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Sharp bounds on the fourth-order Hermitian Toeplitz determinant for starlike functions of order 1/2 1/2阶星形函数的四阶厄米图普利兹行列式的明确界
3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-63
Yong Sun, Zhi-Gang Wang, Huo Tang
{"title":"Sharp bounds on the fourth-order Hermitian Toeplitz determinant for starlike functions of order 1/2","authors":"Yong Sun, Zhi-Gang Wang, Huo Tang","doi":"10.7153/jmi-2023-17-63","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-63","url":null,"abstract":"","PeriodicalId":49165,"journal":{"name":"Journal of Mathematical Inequalities","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136373242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Fractional quantum analogues of trapezoid like inequalities 类梯形不等式的分数阶量子类似物
IF 2.9 3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-03
Yuming Chu, M. U. Awan, Sadia Talib, M. Noor, K. Noor
{"title":"Fractional quantum analogues of trapezoid like inequalities","authors":"Yuming Chu, M. U. Awan, Sadia Talib, M. Noor, K. Noor","doi":"10.7153/jmi-2023-17-03","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-03","url":null,"abstract":". We derive two new fractional quantum integral identities. Using these identities we obtain several new fractional quantum estimates of trapezoid like inequalities essentially using the class of preinvex functions.","PeriodicalId":49165,"journal":{"name":"Journal of Mathematical Inequalities","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71165542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Improved matrix inequalities using radical convexity 利用根凸性改进矩阵不等式
IF 2.9 3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-24
M. Sababheh, S. Furuichi, H. Moradi
{"title":"Improved matrix inequalities using radical convexity","authors":"M. Sababheh, S. Furuichi, H. Moradi","doi":"10.7153/jmi-2023-17-24","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-24","url":null,"abstract":". Convex functions have a key role in mathematical inequalities. In this paper, we employ radical convexity as a tool that enables us to obtain much sharper bounds than usual bounds obtained by convexity. Applications of our approach will include real functions and matrices","PeriodicalId":49165,"journal":{"name":"Journal of Mathematical Inequalities","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71166134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Another proof of Hrölder's inequality 另一个Hrölder不等式的证明
IF 2.9 3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-13
Seo ho Jin, Kwang Seob Kim
{"title":"Another proof of Hrölder's inequality","authors":"Seo ho Jin, Kwang Seob Kim","doi":"10.7153/jmi-2023-17-13","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-13","url":null,"abstract":"","PeriodicalId":49165,"journal":{"name":"Journal of Mathematical Inequalities","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71166296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
On singular integrals and maximal operators along surfaces of revolution on product domains 乘积域上沿旋转曲面的奇异积分和极大算子
IF 2.9 3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-48
AL Hussain, Qassem, L. Cheng
{"title":"On singular integrals and maximal operators along surfaces of revolution on product domains","authors":"AL Hussain, Qassem, L. Cheng","doi":"10.7153/jmi-2023-17-48","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-48","url":null,"abstract":". We study the mapping properties of singular integral operators along surfaces of revo-lutions on product domains. For several classes of surfaces, we prove sharp L p bounds ( 1 < p <  ) for these singular integral operators as well as their corresponding maximal operators. By using these L p bounds and an extrapolation argument we obtain the L p boundedness of these operators under optimal conditions on the singular kernels. Our results extend and improve several results previously obtained by many authors.","PeriodicalId":49165,"journal":{"name":"Journal of Mathematical Inequalities","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71166704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Nonexistence and existence of positive ground state solutions for generalized quasilinear Schrödinger equations 广义拟线性Schrödinger方程的不存在性和正基态解的存在性
IF 2.9 3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-52
Yunf ng Wei, Caish ng Chen, Hongw ng Yu, Rui Hu
{"title":"Nonexistence and existence of positive ground state solutions for generalized quasilinear Schrödinger equations","authors":"Yunf ng Wei, Caish ng Chen, Hongw ng Yu, Rui Hu","doi":"10.7153/jmi-2023-17-52","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-52","url":null,"abstract":"","PeriodicalId":49165,"journal":{"name":"Journal of Mathematical Inequalities","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71166809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
On several inequalities related to convex functions 关于凸函数的几个不等式
3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-70
Nicuşor Minculete
{"title":"On several inequalities related to convex functions","authors":"Nicuşor Minculete","doi":"10.7153/jmi-2023-17-70","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-70","url":null,"abstract":"","PeriodicalId":49165,"journal":{"name":"Journal of Mathematical Inequalities","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135002955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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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