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Journal of Mathematical Inequalities最新文献

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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":"35 1","pages":"0"},"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":"23 1","pages":"0"},"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":"148 1","pages":"0"},"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 molecular decomposition of anisotropic mixed-norm Hardy spaces and their application 各向异性混合范数Hardy空间的分子分解及其应用
IF 2.9 3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-04
Kang Hu, Qingd ng Guo
{"title":"The molecular decomposition of anisotropic mixed-norm Hardy spaces and their application","authors":"Kang Hu, Qingd ng Guo","doi":"10.7153/jmi-2023-17-04","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-04","url":null,"abstract":". Let (cid:2) p ∈ ( 0 , ∞ ) n , A be an expansive dilation on R n , and H (cid:2) pA ( R n ) be the anisotropic mixed-norm Hardy space de fi ned via the non-tangential grand maximal function. In this paper, the authors establish its molecular decomposition. As an application, the authors obtain the boundedness of a class of singular integral operators from H (cid:2) pA ( R n ) to H (cid:2) pA ( R n ) . These results are still new even in the classical isotropic setting (in the case A : = 2I n × n ).","PeriodicalId":49165,"journal":{"name":"Journal of Mathematical Inequalities","volume":"1 1","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71165557","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 multiplicative sum Zagreb index of trees with fixed domination number 具有固定支配数的树的乘和萨格勒布指数
IF 2.9 3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-06
Xiaol ng Sun, Yu in Gao, Jian ei Du
{"title":"On multiplicative sum Zagreb index of trees with fixed domination number","authors":"Xiaol ng Sun, Yu in Gao, Jian ei Du","doi":"10.7153/jmi-2023-17-06","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-06","url":null,"abstract":". The multiplicative sum Zagreb index of a graph G is the product of the sums of degrees of pairs of adjacent vertices. In this paper, the maximal and minimal multiplicative sum Zagreb indices of trees with fi xed domination number are presented. Furthermore, the corresponding extremal trees are identi fi ed.","PeriodicalId":49165,"journal":{"name":"Journal of Mathematical Inequalities","volume":"1 1","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71165682","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
Algebraic integers with small potential energy 具有小势能的代数整数
IF 2.9 3区 数学
Journal of Mathematical Inequalities Pub Date : 2023-01-01 DOI: 10.7153/jmi-2023-17-10
A. Dubickas
{"title":"Algebraic integers with small potential energy","authors":"A. Dubickas","doi":"10.7153/jmi-2023-17-10","DOIUrl":"https://doi.org/10.7153/jmi-2023-17-10","url":null,"abstract":". In this paper we give a lower bound on the mean of squares of distances between the points in two sets in terms of the products of distances between the points in each of those two sets. These results imply lower bounds on the p th power ( p (cid:2) 2) of the average distance between the conjugates of an algebraic integer and of the same quantity between the conjugates of a totally real algebraic integer.","PeriodicalId":49165,"journal":{"name":"Journal of Mathematical Inequalities","volume":"1 1","pages":""},"PeriodicalIF":2.9,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71166170","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
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":"1 1","pages":""},"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
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":"23 1","pages":"0"},"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":"165 1","pages":"0"},"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":"1 1","pages":""},"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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