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Journal of Mathematical Inequalities最新文献

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Expectations of large data means 对大数据的期望意味着
IF 2.9 3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-27
Tomislav Buric, N. Elezovic, Lenka Mihoković
{"title":"Expectations of large data means","authors":"Tomislav Buric, N. Elezovic, Lenka Mihoković","doi":"10.7153/jmi-2023-17-27","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-27","url":null,"abstract":". In this paper we present estimation formulas for the expectations of power means of large data and associate them with means of probability distribution and means of random sample. The proposed method follows from the asymptotic expansion of power means which is applicable for suf fi ciently large data and it is especially useful when value of such expectation is hard to obtain. We will show the accuracy of these approximations for random samples which have uniform and normal distribution and analyse their behaviour for large sample volume.","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":"71166198","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: 1
Further refinements of the Tan-Xie inequality for sector matrices and its applications 扇区矩阵Tan-Xie不等式的进一步改进及其应用
3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-78
Yong ui Ren
{"title":"Further refinements of the Tan-Xie inequality for sector matrices and its applications","authors":"Yong ui Ren","doi":"10.7153/jmi-2023-17-78","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-78","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":"135002611","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
Numerical radius of products of special matrices 特殊矩阵乘积的数值半径
3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-64
Mohammad Alakhrass
{"title":"Numerical radius of products of special matrices","authors":"Mohammad Alakhrass","doi":"10.7153/jmi-2023-17-64","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-64","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":"135002635","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
Monotonicity, convexity, and inequalities for functions involving gamma function 包含函数的函数的单调性、凸性和不等式
3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-67
Pei ei Du, Gendi Wang
{"title":"Monotonicity, convexity, and inequalities for functions involving gamma function","authors":"Pei ei Du, Gendi Wang","doi":"10.7153/jmi-2023-17-67","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-67","url":null,"abstract":"In this paper, we study some properties such as the monotonicity, logarithmically complete monotonicity, logarithmic convexity, and geometric convexity, of the combinations of gamma function and power function. The results we obtain generalize some related known results for parameters with specific values.","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":"136372941","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
Further properties of 2-inner product spaces 2-内积空间的进一步性质
3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-75
Abbas Alipour, Mohammad Hadi Akhbari
{"title":"Further properties of 2-inner product spaces","authors":"Abbas Alipour, Mohammad Hadi Akhbari","doi":"10.7153/jmi-2023-17-75","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-75","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":"136372978","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
Hardy-type inequalities for ℓ^p sequences r ^p序列的hardy型不等式
3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-76
Ludovick Bouthat, Javad Mashreghi, Frédéric Morneau-Guérin
{"title":"Hardy-type inequalities for ℓ^p sequences","authors":"Ludovick Bouthat, Javad Mashreghi, Frédéric Morneau-Guérin","doi":"10.7153/jmi-2023-17-76","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-76","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":"136373181","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 bound of m-linear n-dimensional p-adic Hausdorff operators on p-adic Morrey spaces p进Morrey空间上m-线性n维p进Hausdorff算子的锐界
3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-79
Xi an Zhang, Qian un He, Xi ng Li
{"title":"Sharp bound of m-linear n-dimensional p-adic Hausdorff operators on p-adic Morrey spaces","authors":"Xi an Zhang, Qian un He, Xi ng Li","doi":"10.7153/jmi-2023-17-79","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-79","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":"136373189","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
The relationship between r-convexity and Schur-convexity and its application r-凸与schur -凸的关系及其应用
3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-74
Tao Zhang, Alatancang Chen, Bo-Yan Xi, Huan-Nan Shi
{"title":"The relationship between r-convexity and Schur-convexity and its application","authors":"Tao Zhang, Alatancang Chen, Bo-Yan Xi, Huan-Nan Shi","doi":"10.7153/jmi-2023-17-74","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-74","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":"136373195","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
Inequality for the variance of an asymmetric loss 不对称损失方差的不等式
3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-58
Naoya Yamaguchi, Yuka Yamaguchi, Maiya Hori
{"title":"Inequality for the variance of an asymmetric loss","authors":"Naoya Yamaguchi, Yuka Yamaguchi, Maiya Hori","doi":"10.7153/jmi-2023-17-58","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-58","url":null,"abstract":"We assume that the forecast error follows a probability distribution which is symmetric and monotonically non-increasing on non-negative real numbers, and if there is a mismatch between observed and predicted value, then we suffer a loss. Under the assumptions, we solve a minimization problem with an asymmetric loss function. In addition, we give an inequality for the variance of the loss.","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":"136373500","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
Inequalities for commutators of fractional integrals and singular integrals on differential forms 微分形式的分数积分和奇异积分对易子的不等式
IF 2.9 3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-28
Jinl ng Niu, Guan an Shi, S. Ding, Yuming Xing
{"title":"Inequalities for commutators of fractional integrals and singular integrals on differential forms","authors":"Jinl ng Niu, Guan an Shi, S. Ding, Yuming Xing","doi":"10.7153/jmi-2023-17-28","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-28","url":null,"abstract":". In this paper, we de fi ne the commutators of fractional integral operators and Calder´on-Zygmund singular integral operators on differential forms, and give the suf fi cient and necessary conditions for these commutators to be bounded on weighted Lebesgue spaces. As an application, the Caccioppoli-type inequalities with Orlicz norm for commutators of Calder´on-Zygmund singular integral operators on differential forms are obtained.","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":"71166207","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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