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On mid ( p , r )-compact operators 关于中 ( p , r )-紧凑算子
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-05-06 DOI: 10.2989/16073606.2024.2347428
Salthiel Malesela Maepa, Brian Chihinga Ndumba
{"title":"On mid (\u0000 <i>p</i>\u0000 ,\u0000 <i>r</i>\u0000 )-compact operators","authors":"Salthiel Malesela Maepa, Brian Chihinga Ndumba","doi":"10.2989/16073606.2024.2347428","DOIUrl":"https://doi.org/10.2989/16073606.2024.2347428","url":null,"abstract":"","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141011364","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
An adaptive differential evolution algorithm based on relaxation strategy to realize the Nash equilibrium of multi-oligopoly game 基于松弛策略的自适应微分进化算法实现多寡头博弈的纳什均衡
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-05-06 DOI: 10.2989/16073606.2024.2328354
Huimin Li, Shuwen Xiang, Shiguo Huang, Enquan Luo
{"title":"An adaptive differential evolution algorithm based on relaxation strategy to realize the Nash equilibrium of multi-oligopoly game","authors":"Huimin Li, Shuwen Xiang, Shiguo Huang, Enquan Luo","doi":"10.2989/16073606.2024.2328354","DOIUrl":"https://doi.org/10.2989/16073606.2024.2328354","url":null,"abstract":"","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141007121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Chen-Chvátal’s conjecture for graphs with restricted girth 限制周长图的陈-查瓦特尔猜想
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-05-06 DOI: 10.2989/16073606.2024.2345846
Luis Pedro Montejano
{"title":"Chen-Chvátal’s conjecture for graphs with restricted girth","authors":"Luis Pedro Montejano","doi":"10.2989/16073606.2024.2345846","DOIUrl":"https://doi.org/10.2989/16073606.2024.2345846","url":null,"abstract":"","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141006953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
A study on approximate controllability of linear impulsive equations in Hilbert spaces 希尔伯特空间中线性脉冲方程的近似可控性研究
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-05-06 DOI: 10.2989/16073606.2024.2345287
N. Mahmudov
{"title":"A study on approximate controllability of linear impulsive equations in Hilbert spaces","authors":"N. Mahmudov","doi":"10.2989/16073606.2024.2345287","DOIUrl":"https://doi.org/10.2989/16073606.2024.2345287","url":null,"abstract":"","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141010540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
A fully discrete scheme on piecewise-equidistant mesh for singularly perturbed delay integro-differential equations 奇异扰动延迟积分微分方程的片状无水网格完全离散方案
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-05-06 DOI: 10.2989/16073606.2024.2343669
M. Çakir, B. Gunes
{"title":"A fully discrete scheme on piecewise-equidistant mesh for singularly perturbed delay integro-differential equations","authors":"M. Çakir, B. Gunes","doi":"10.2989/16073606.2024.2343669","DOIUrl":"https://doi.org/10.2989/16073606.2024.2343669","url":null,"abstract":"","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141006777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Filtered bicolimit presentations of locally presentable linear categories, Grothendieck categories and their tensor products 局部可呈现线性范畴、格罗登第克范畴及其张量乘积的过滤双极限呈现
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-03-25 DOI: 10.2989/16073606.2024.2330717
Julia Ramos González
{"title":"Filtered bicolimit presentations of locally presentable linear categories, Grothendieck categories and their tensor products","authors":"Julia Ramos González","doi":"10.2989/16073606.2024.2330717","DOIUrl":"https://doi.org/10.2989/16073606.2024.2330717","url":null,"abstract":"We investigate two different ways of recovering a Grothendieck category as a filtered bicolimit of small categories and the compatibility of both with the tensor product of Grothendieck categories....","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140313392","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 existence of positive solutions of p-Laplace equations 论 p 拉普拉斯方程正解的存在性
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-03-25 DOI: 10.2989/16073606.2024.2330016
Tiantian Zhou
{"title":"On existence of positive solutions of p-Laplace equations","authors":"Tiantian Zhou","doi":"10.2989/16073606.2024.2330016","DOIUrl":"https://doi.org/10.2989/16073606.2024.2330016","url":null,"abstract":"In this paper, we consider the existence of positive solutions of an equation with p-Laplacianwhere n ≥ 3, 1 < p < n, q > 0, Δp u = div(|∇u|p−2∇u), and K(x) is a double bounded function. We will pr...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140324983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Tricomi problem for mixed parabolic-hyperbolic equation with dynamic-type boundary condition 带动态型边界条件的抛物-超抛物混合方程的 Tricomi 问题
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-03-22 DOI: 10.2989/16073606.2024.2327565
Bauyrzhan Derbissaly
{"title":"Tricomi problem for mixed parabolic-hyperbolic equation with dynamic-type boundary condition","authors":"Bauyrzhan Derbissaly","doi":"10.2989/16073606.2024.2327565","DOIUrl":"https://doi.org/10.2989/16073606.2024.2327565","url":null,"abstract":"In this paper, we study an analogue of Tricomi problem for a parabolichyperbolic equation of the first type. To solve the problem for the heat equation, we use properties of the spectral problem wi...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140197939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Two-step inertial Tseng’s extragradient method for solving quasimonotone variational inequalities 求解准下调变分不等式的两步惯性曾外梯度法
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-03-22 DOI: 10.2989/16073606.2024.2327562
O.T. Mewomo, R.N. Nwokoye, C.C. Okeke
{"title":"Two-step inertial Tseng’s extragradient method for solving quasimonotone variational inequalities","authors":"O.T. Mewomo, R.N. Nwokoye, C.C. Okeke","doi":"10.2989/16073606.2024.2327562","DOIUrl":"https://doi.org/10.2989/16073606.2024.2327562","url":null,"abstract":"We focus on quasimonotone variational inequality problems with non-Lipschitz operator and combine some operator theory techniques to establish a weak convergent fixed point iterative method to appr...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140197767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 bi-continuous cosine families 关于双连续余弦族
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-03-22 DOI: 10.2989/16073606.2024.2328817
Christian Budde
{"title":"On bi-continuous cosine families","authors":"Christian Budde","doi":"10.2989/16073606.2024.2328817","DOIUrl":"https://doi.org/10.2989/16073606.2024.2328817","url":null,"abstract":"In this article, we introduce and investigate bi-continuous cosine families. Those are inspired by the theory of bi-continuous semigroups which had an impact in the area of evolution equations in t...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140197839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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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