Pub Date : 2024-07-05DOI: 10.2989/16073606.2024.2371838
H. Ounis, J.M. Sepulcre
This paper is devoted to develop the concepts of semi-c-periodicity, c-uniform recurrence and almost automorphy for functions defined on vertical strips in the complex plane, where c is a non-zero ...
本文致力于发展复平面垂直条带上定义的函数的半周期性、c-均匀递推和近乎自形的概念，其中 c 为非零 ...
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Pub Date : 2024-07-05DOI: 10.2989/16073606.2024.2367714
Eric O.D. Andriantiana, Zekhaya B. Shozi
Let G be a graph with vertex set V(G) and edge set E(G). A subset I of V(G) is an independent vertex subset if no two vertices in I are adjacent in G. We study the number, σ1(G), of all subsets of ...
设 G 是一个具有顶点集 V(G) 和边集 E(G) 的图。如果 V(G) 的子集 I 中没有两个顶点在 G 中相邻，则该子集为独立顶点子集。
{"title":"The number of 1-nearly independent vertex subsets","authors":"Eric O.D. Andriantiana, Zekhaya B. Shozi","doi":"10.2989/16073606.2024.2367714","DOIUrl":"https://doi.org/10.2989/16073606.2024.2367714","url":null,"abstract":"Let G be a graph with vertex set V(G) and edge set E(G). A subset I of V(G) is an independent vertex subset if no two vertices in I are adjacent in G. We study the number, σ1(G), of all subsets of ...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":"24 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141737508","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}
Pub Date : 2024-06-03DOI: 10.2989/16073606.2024.2352875
Scott T. Chapman, Marly Gotti
An additive submonoid of the nonnegative cone of the real line is called a positive monoid. Positive monoids consisting of rational numbers (also known as Puiseux monoids) have been the subject of ...
实线非负锥的可加子单体称为正单体。由有理数组成的正一元体（又称普伊塞一元体）一直是 ...
{"title":"Atomicity of positive monoids","authors":"Scott T. Chapman, Marly Gotti","doi":"10.2989/16073606.2024.2352875","DOIUrl":"https://doi.org/10.2989/16073606.2024.2352875","url":null,"abstract":"An additive submonoid of the nonnegative cone of the real line is called a positive monoid. Positive monoids consisting of rational numbers (also known as Puiseux monoids) have been the subject of ...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141506526","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}
Pub Date : 2024-05-15DOI: 10.2989/16073606.2024.2344039
Ivan Arzhantsev
An additive action on an irreducible algebraic variety X is an effective action with an open orbit of the vector group . Any two additive actions on X are conjugate by a birational automorphism of...
不可还原代数纷 X 上的加法作用是一种有效作用，其向量群的轨道是开放的。X 上的任何两个加法作用都通过一个双态自动形变共轭...
{"title":"On conjugacy of additive actions in the affine Cremona group","authors":"Ivan Arzhantsev","doi":"10.2989/16073606.2024.2344039","DOIUrl":"https://doi.org/10.2989/16073606.2024.2344039","url":null,"abstract":"An additive action on an irreducible algebraic variety X is an effective action with an open orbit of the vector group . Any two additive actions on X are conjugate by a birational automorphism of...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":"172 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141506525","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}
Pub Date : 2024-05-15DOI: 10.2989/16073606.2024.2350653
Y. Chatibi
The main goal of this paper is to find analytical solutions of a system of nonlinear ordinary differential equations arising in the virus propagation in blockchain networks. The presented method re...
{"title":"Analytical solutions of virus propagation model in blockchain networks","authors":"Y. Chatibi","doi":"10.2989/16073606.2024.2350653","DOIUrl":"https://doi.org/10.2989/16073606.2024.2350653","url":null,"abstract":"The main goal of this paper is to find analytical solutions of a system of nonlinear ordinary differential equations arising in the virus propagation in blockchain networks. The presented method re...","PeriodicalId":49652,"journal":{"name":"Quaestiones Mathematicae","volume":"12 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141506432","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}
Pub Date : 2024-03-25DOI: 10.2989/16073606.2024.2330717
Julia Ramos González
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....
{"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":"42 1","pages":""},"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}
Pub Date : 2024-03-25DOI: 10.2989/16073606.2024.2330016
Tiantian Zhou
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...
在本文中，我们考虑了一个方程的正解的存在性，该方程具有 p-拉普拉斯，其中 n ≥ 3, 1 < p < n, q > 0, Δp u = div(|∇u|p-2∇u), K(x) 是一个双界函数。我们将对 K(x) 进行...
{"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":"16 1","pages":""},"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}
Pub Date : 2024-03-22DOI: 10.2989/16073606.2024.2327565
Bauyrzhan Derbissaly
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...
{"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":"116 1","pages":""},"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}
Pub Date : 2024-03-22DOI: 10.2989/16073606.2024.2327562
O.T. Mewomo, R.N. Nwokoye, C.C. Okeke
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...
{"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":"29 1","pages":""},"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}
Pub Date : 2024-03-22DOI: 10.2989/16073606.2024.2328817
Christian Budde
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...
本文介绍并研究了双连续余弦族。双连续余弦族受双连续半群理论的启发，该理论对演化方程领域产生了影响。
{"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":"135 1","pages":""},"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}
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