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Quaestiones Mathematicae最新文献

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On A -normaloid d -tuples of operators and related questions 关于算子的 A - 正态 d - 元组及相关问题
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-05-09 DOI: 10.2989/16073606.2024.2353387
N. Altwaijry, S. Dragomir, Kais Feki
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引用次数: 0
Conditional indicators 条件指标
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-05-08 DOI: 10.2989/16073606.2024.2334866
Dorsaf Cherif, Emmanuel Lepinette
{"title":"Conditional indicators","authors":"Dorsaf Cherif, Emmanuel Lepinette","doi":"10.2989/16073606.2024.2334866","DOIUrl":"https://doi.org/10.2989/16073606.2024.2334866","url":null,"abstract":"","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140998696","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
Almost Yamabe solitons satisfying certain conditions on the associated vector field 满足相关矢量场某些条件的几乎山叶孤子
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-05-06 DOI: 10.2989/16073606.2024.2334279
Rahul Poddar, Ramesh Sharma, S. Balasubramanian
{"title":"Almost Yamabe solitons satisfying certain conditions on the associated vector field","authors":"Rahul Poddar, Ramesh Sharma, S. Balasubramanian","doi":"10.2989/16073606.2024.2334279","DOIUrl":"https://doi.org/10.2989/16073606.2024.2334279","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":"141007599","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 inverse problem for pseudoparabolic equation: existence, uniqueness, stability, and numerical analysis 伪抛物方程的逆问题：存在性、唯一性、稳定性和数值分析
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-05-06 DOI: 10.2989/16073606.2024.2347432
Kh. Khompysh, M. Huntul, M. K. Shazyndayeva, M. K. Iqbal
{"title":"An inverse problem for pseudoparabolic equation: existence, uniqueness, stability, and numerical analysis","authors":"Kh. Khompysh, M. Huntul, M. K. Shazyndayeva, M. K. Iqbal","doi":"10.2989/16073606.2024.2347432","DOIUrl":"https://doi.org/10.2989/16073606.2024.2347432","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":"141009606","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
Words over a finite alphabet avoiding 1243 避免有限字母表上的单词 1243
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-05-06 DOI: 10.2989/16073606.2024.2334869
Toufik Mansour
{"title":"Words over a finite alphabet avoiding 1243","authors":"Toufik Mansour","doi":"10.2989/16073606.2024.2334869","DOIUrl":"https://doi.org/10.2989/16073606.2024.2334869","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":"141006173","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 lemma on C 0 -semigroups on time scales and approximate controllability of the heat dynamic equation 关于时间尺度上的 C 0 半群和热动力方程的近似可控性的定理
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-05-06 DOI: 10.2989/16073606.2024.2345845
Martin Bohner, C. Duque, Hugo Leiva, Zoraida Sívoli
{"title":"A lemma on\u0000 C\u0000 0\u0000 -semigroups on time scales and approximate controllability of the heat dynamic equation","authors":"Martin Bohner, C. Duque, Hugo Leiva, Zoraida Sívoli","doi":"10.2989/16073606.2024.2345845","DOIUrl":"https://doi.org/10.2989/16073606.2024.2345845","url":null,"abstract":". In this paper, we present a lemma that allows us to characterize a broad class of C 0 -semigroups on time scales, which can be applied to prove existence and uniqueness of solutions of systems of partial differential equations where the time domain is a time scale. The result obtained is applied to study the controllability of the heat equation on time scales. The lemma presented in this paper can be seen as a unification of the one proved by H. Leiva in [28], for semigroups in [0 , ∞ ).","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":"141008457","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
Ambrosetti-Prodi type results for elliptic equations with nonlinear gradient terms on an exterior domain 外部域上带有非线性梯度项的椭圆方程的 Ambrosetti-Prodi 型结果
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-05-06 DOI: 10.2989/16073606.2024.2346247
Jiao Zhao, Ruyun Ma
{"title":"Ambrosetti-Prodi type results for elliptic equations with nonlinear gradient terms on an exterior domain","authors":"Jiao Zhao, Ruyun Ma","doi":"10.2989/16073606.2024.2346247","DOIUrl":"https://doi.org/10.2989/16073606.2024.2346247","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":"141006438","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
The isomorphism problem for rational group algebras of finite metacyclic nilpotent groups 有限元环零能群的有理群代数的同构问题
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-05-06 DOI: 10.2989/16073606.2024.2344035
Àngel García-Blázquez, Ángel del Río
{"title":"The isomorphism problem for rational group algebras of finite metacyclic nilpotent groups","authors":"Àngel García-Blázquez, Ángel del Río","doi":"10.2989/16073606.2024.2344035","DOIUrl":"https://doi.org/10.2989/16073606.2024.2344035","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":"141010475","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
Uniqueness of second-order elliptic operators with unbounded and degenerate coefficients in L 1 -spaces L 1 空间中具有无约束和退化系数的二阶椭圆算子的唯一性
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-05-06 DOI: 10.2989/16073606.2024.2344706
T. Do, Le Xuan Truong
{"title":"Uniqueness of second-order elliptic operators with unbounded and degenerate coefficients in\u0000 L\u0000 1\u0000 -spaces","authors":"T. Do, Le Xuan Truong","doi":"10.2989/16073606.2024.2344706","DOIUrl":"https://doi.org/10.2989/16073606.2024.2344706","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":"141006613","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
Subgroups of products of Nagata semitopological groups and related results 永田半坡群的乘积子群及相关结果
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-05-06 DOI: 10.2989/16073606.2024.2347431
Liang-Xue Peng
{"title":"Subgroups of products of Nagata semitopological groups and related results","authors":"Liang-Xue Peng","doi":"10.2989/16073606.2024.2347431","DOIUrl":"https://doi.org/10.2989/16073606.2024.2347431","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":"141009801","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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