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A comonadicity theorem for partial comodules 部分逗点的逗点定理
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-03-06 DOI: 10.2989/16073606.2024.2322011
Eliezer Batista, William Hautekiet, Joost Vercruysse
{"title":"A comonadicity theorem for partial comodules","authors":"Eliezer Batista, William Hautekiet, Joost Vercruysse","doi":"10.2989/16073606.2024.2322011","DOIUrl":"https://doi.org/10.2989/16073606.2024.2322011","url":null,"abstract":"We show that the category of partial comodules over a Hopf algebra H is comonadic over Vectk and provide an explicit construction of this comonad using topological vector spaces. The case when H is...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":"11 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140073552","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 role of derivations in the nilpotence and semisimplicity of Lie triple systems 导数在列支三重体系的无势性和半简约性中的作用
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-03-06 DOI: 10.2989/16073606.2024.2320439
Hani Abdelwahab, Antonio J. Calderón Martín, Moustafa Mahanna
{"title":"The role of derivations in the nilpotence and semisimplicity of Lie triple systems","authors":"Hani Abdelwahab, Antonio J. Calderón Martín, Moustafa Mahanna","doi":"10.2989/16073606.2024.2320439","DOIUrl":"https://doi.org/10.2989/16073606.2024.2320439","url":null,"abstract":"We explore the role derivations of a Lie triple system play in the nilpotence and semisimplicity of T. In particular analogous to two theorems of Jacobson for Lie algebras, (by giving a sufficient...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":"61 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140045083","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 the solution of the Cauchy problem for a higher-order equation with the fractional Riemann-Liouville derivative 关于具有分数黎曼-黎欧维尔导数的高阶方程的考奇问题的解法
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-03-06 DOI: 10.2989/16073606.2024.2320444
B.Yu. Irgashev
{"title":"On the solution of the Cauchy problem for a higher-order equation with the fractional Riemann-Liouville derivative","authors":"B.Yu. Irgashev","doi":"10.2989/16073606.2024.2320444","DOIUrl":"https://doi.org/10.2989/16073606.2024.2320444","url":null,"abstract":"In this article, a representation of the solution of the Cauchy problem for an equation of high even order with a fractional derivative in the Riemann-Liouville sense of order greater than one is o...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":"16 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140073621","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
Exponential decay of solutions to an inertial model for a wave equation with viscoelastic damping and time varying delay 带粘弹性阻尼和时变延迟的波方程惯性模型解的指数衰减
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-03-06 DOI: 10.2989/16073606.2024.2320443
Mohamed Berbiche
{"title":"Exponential decay of solutions to an inertial model for a wave equation with viscoelastic damping and time varying delay","authors":"Mohamed Berbiche","doi":"10.2989/16073606.2024.2320443","DOIUrl":"https://doi.org/10.2989/16073606.2024.2320443","url":null,"abstract":"In the present work, we study the global existence and uniform decay rates of solutions to the initial-boundary value problem related to the dynamic behavior of evolution equations accounting for r...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":"79 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140073558","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
Orbit spaces of free involutions on the product of three spheres 三个球面积上自由渐开线的轨道空间
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-03-05 DOI: 10.2989/16073606.2023.2288707
Dimpi, Hemant Kumar Singh
{"title":"Orbit spaces of free involutions on the product of three spheres","authors":"Dimpi, Hemant Kumar Singh","doi":"10.2989/16073606.2023.2288707","DOIUrl":"https://doi.org/10.2989/16073606.2023.2288707","url":null,"abstract":"In this paper, we have determined the orbit spaces of free involutions on a finitistic space having mod 2 cohomology of the product of three spheres . This paper generalizes the results proved by D...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":"30 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140036033","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
Near universal property of a quadratic form of Hessian discriminant 4 赫氏判别式为 4 的二次方的近似普遍特性
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2024-02-29 DOI: 10.2989/16073606.2023.2279268
Jesse Ira Deutsch
{"title":"Near universal property of a quadratic form of Hessian discriminant 4","authors":"Jesse Ira Deutsch","doi":"10.2989/16073606.2023.2279268","DOIUrl":"https://doi.org/10.2989/16073606.2023.2279268","url":null,"abstract":"A quadratic form is universal if it represents all totally positive integers in a number field. In classical number theory over the rational integers there are some results where a quadratic form t...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":"73 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140003657","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
Local and 2-local automorphisms of solvable Leibniz algebras with abelian and model nilradicals 具有阿贝尔和模型零根的可解莱布尼兹代数的局部和2-局部自同构
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2023-12-04 DOI: 10.2989/16073606.2023.2278745
Iqboljon Karimjanov, Sardorbek Umrzaqov, Bakhtiyor Yusupov
{"title":"Local and 2-local automorphisms of solvable Leibniz algebras with abelian and model nilradicals","authors":"Iqboljon Karimjanov, Sardorbek Umrzaqov, Bakhtiyor Yusupov","doi":"10.2989/16073606.2023.2278745","DOIUrl":"https://doi.org/10.2989/16073606.2023.2278745","url":null,"abstract":"In the paper, we describe the automorphisms on the solvable Leibniz algebras with the model or abelian nilradicals, whose complementary spaces are equal to two and one, respectively. We show that a...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":"27 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138536642","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
Generalized derivations with nilpotent values in semiprime rings 半素环上幂零值的广义导数
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2023-11-30 DOI: 10.2989/16073606.2023.2283137
Cheng-Kai Liu
{"title":"Generalized derivations with nilpotent values in semiprime rings","authors":"Cheng-Kai Liu","doi":"10.2989/16073606.2023.2283137","DOIUrl":"https://doi.org/10.2989/16073606.2023.2283137","url":null,"abstract":"Let R be a (semi-) prime ring with extended centroid C, let f(X1, … , Xk) be a multilinear polynomial over C in k noncommutative indeterminates which is not central-valued on R and let g be a gener...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":"33 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138536630","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
Remote sublocales 远程sublocales
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2023-11-30 DOI: 10.2989/16073606.2023.2282157
Mbekezeli Nxumalo
{"title":"Remote sublocales","authors":"Mbekezeli Nxumalo","doi":"10.2989/16073606.2023.2282157","DOIUrl":"https://doi.org/10.2989/16073606.2023.2282157","url":null,"abstract":"We use the notion of a remote collection of a Tychonoff space to define a remote sublocale of any locale. Our definition is conservative, in the sense that, a subset is remote if and only if the sub...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":"24 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138536627","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
Spectrum of the Cesàro-Hardy operator in rearrangement invariant spaces 重排不变空间中Cesàro-Hardy算子的谱
IF 0.7 4区 数学
Quaestiones Mathematicae Pub Date : 2023-11-30 DOI: 10.2989/16073606.2023.2281570
Meiram Akhymbek, Kanat Tulenov, Gulnur Zaur
{"title":"Spectrum of the Cesàro-Hardy operator in rearrangement invariant spaces","authors":"Meiram Akhymbek, Kanat Tulenov, Gulnur Zaur","doi":"10.2989/16073606.2023.2281570","DOIUrl":"https://doi.org/10.2989/16073606.2023.2281570","url":null,"abstract":"In this paper, we investigate the spectrum of the Cesàro-Hardy operator in rearrangement invariant spaces over a finite interval and a half line, thereby extending Boyd’s and Leibowitz’s results fo...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138536620","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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