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Annali dell''Universita di Ferrara最新文献

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New oscillation criteria of nonlinear second order delay dynamic equations with sublinear neutral term 带有次线性中性项的非线性二阶延迟动态方程的新振荡准则
Annali dell''Universita di Ferrara Pub Date : 2024-04-20 DOI: 10.1007/s11565-024-00512-w
Said R. Grace, Syed Abbas
{"title":"New oscillation criteria of nonlinear second order delay dynamic equations with sublinear neutral term","authors":"Said R. Grace,&nbsp;Syed Abbas","doi":"10.1007/s11565-024-00512-w","DOIUrl":"10.1007/s11565-024-00512-w","url":null,"abstract":"<div><p>In this paper, we discuss the oscillation of the nonlinear second-order delay dynamic equation with a sublinear neutral term and establish some new criteria. Further, we show application to second order neutral dynamic equations. The presented results essentially extend and improve the existing ones. Examples are provided for better illustration.\u0000</p></div>","PeriodicalId":35009,"journal":{"name":"Annali dell''Universita di Ferrara","volume":"70 4","pages":"1433 - 1443"},"PeriodicalIF":0.0,"publicationDate":"2024-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140681323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Annihilator on prime rings admitting multiplicative generalized g-derivations 质环上的湮没器，允许乘法广义 g 衍射
Annali dell''Universita di Ferrara Pub Date : 2024-04-08 DOI: 10.1007/s11565-024-00510-y
Kapil Kumar, Avdhesh Kumar Mishra
{"title":"Annihilator on prime rings admitting multiplicative generalized g-derivations","authors":"Kapil Kumar,&nbsp;Avdhesh Kumar Mishra","doi":"10.1007/s11565-024-00510-y","DOIUrl":"10.1007/s11565-024-00510-y","url":null,"abstract":"<div><p>Suppose <span>(Re )</span> is a ring and <span>(g:Re rightarrow Q_{r})</span> be an arbitrary map. An additive map <span>(d:Re rightarrow Q_{r})</span> is said to be <i>g</i>-derivation if <span>(d(xy) = d(x)y+g(x)d(y))</span>  holds <span>(~ text{ for } text{ all }~ x,yin Re .)</span> An additive map <span>(G:Re rightarrow Q_{r})</span> is said to be generalized <i>g</i>-derivation if <span>(G(xy) = G(x)y+g(x)d(y))</span>  holds <span>(~ text{ for } text{ all }~ x,yin Re .)</span> For any subset <i>S</i> of <span>(Re )</span>, <span>(Ssubseteq Re )</span>. The left annihilator of <i>S</i> in <span>(Re )</span> is denoted by <span>(l_{Re }(S))</span> and defined by <span>(l_{Re }(S) = {xin Re mid xS = 0}.)</span> In the present paper, we study the left annihilator identities on prime rings admitting multiplicative generalized <i>g</i>-derivations.\u0000</p></div>","PeriodicalId":35009,"journal":{"name":"Annali dell''Universita di Ferrara","volume":"70 4","pages":"1405 - 1416"},"PeriodicalIF":0.0,"publicationDate":"2024-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140728869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Infinite system of nonlinear fractional integral equations in two variables via measure of noncompactness in Banach algebra (C(Itimes I,E)) 通过巴纳赫代数 $$C(Itimes I,E)$$ 中的非紧密性度量，二变量非线性分数积分方程的无穷系统
Annali dell''Universita di Ferrara Pub Date : 2024-04-08 DOI: 10.1007/s11565-024-00511-x
Asif Hussain Jan, Tanweer Jalal
{"title":"Infinite system of nonlinear fractional integral equations in two variables via measure of noncompactness in Banach algebra (C(Itimes I,E))","authors":"Asif Hussain Jan,&nbsp;Tanweer Jalal","doi":"10.1007/s11565-024-00511-x","DOIUrl":"10.1007/s11565-024-00511-x","url":null,"abstract":"<div><p>The aim of this research is to investigate solvability of an infinite system of nonlinear fractional integral equations in two variables using the measure of noncompactness in Banach algebra <span>(C(Itimes I,E))</span>. Our result is illustrated with an example.</p></div>","PeriodicalId":35009,"journal":{"name":"Annali dell''Universita di Ferrara","volume":"70 4","pages":"1417 - 1431"},"PeriodicalIF":0.0,"publicationDate":"2024-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140730796","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Essential skeletons of pairs and Temkin’s metric 配对的基本骨架和滕金公制
Annali dell''Universita di Ferrara Pub Date : 2024-04-01 DOI: 10.1007/s11565-024-00504-w
Mirko Mauri, Enrica Mazzon, Matthew Stevenson
{"title":"Essential skeletons of pairs and Temkin’s metric","authors":"Mirko Mauri,&nbsp;Enrica Mazzon,&nbsp;Matthew Stevenson","doi":"10.1007/s11565-024-00504-w","DOIUrl":"10.1007/s11565-024-00504-w","url":null,"abstract":"<div><p>We study weight metrics and essential skeletons of pairs in the Berkovich analytification of a variety over a trivially-valued field of characteristic zero. In the smooth case, we show that Temkin’s canonical metric on pluricanonical bundles coincides with the weight metric defined via log discrepancies.</p></div>","PeriodicalId":35009,"journal":{"name":"Annali dell''Universita di Ferrara","volume":"70 3","pages":"839 - 857"},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142409187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hyperelliptically fibred surfaces with nodes 带节点的超椭圆纤维曲面
Annali dell''Universita di Ferrara Pub Date : 2024-04-01 DOI: 10.1007/s11565-024-00507-7
Edoardo Ballico, Elizabeth Gasparim, Bruno Suzuki
{"title":"Hyperelliptically fibred surfaces with nodes","authors":"Edoardo Ballico,&nbsp;Elizabeth Gasparim,&nbsp;Bruno Suzuki","doi":"10.1007/s11565-024-00507-7","DOIUrl":"10.1007/s11565-024-00507-7","url":null,"abstract":"<div><p>Using elementary methods of algebraic geometry, we present constructions of hyperelliptically fibred surfaces containing nodal fibres.\u0000</p></div>","PeriodicalId":35009,"journal":{"name":"Annali dell''Universita di Ferrara","volume":"70 3","pages":"871 - 889"},"PeriodicalIF":0.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142409169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Remark on a theorem of Oguiso 关于奥吉索定理的注释
Annali dell''Universita di Ferrara Pub Date : 2024-03-26 DOI: 10.1007/s11565-024-00506-8
Inder Kaur, Artie Prendergast-Smith
{"title":"Remark on a theorem of Oguiso","authors":"Inder Kaur,&nbsp;Artie Prendergast-Smith","doi":"10.1007/s11565-024-00506-8","DOIUrl":"10.1007/s11565-024-00506-8","url":null,"abstract":"<div><p>For a Calabi–Yau variety <i>X</i>, Oguiso (Math Res Lett 25(1):181–198, 2018) gave a useful criterion for primitivity of a self-map of <i>X</i> in terms of the associated linear map on the Néron–Severi space of <i>X</i>. In this short note, we prove a variant of Oguiso’s criterion and use it to verify primitivity of a certain birational automorphism of a Calabi–Yau threefold, to which Oguiso’s original criterion does not apply.\u0000</p></div>","PeriodicalId":35009,"journal":{"name":"Annali dell''Universita di Ferrara","volume":"70 3","pages":"859 - 869"},"PeriodicalIF":0.0,"publicationDate":"2024-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11565-024-00506-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140378159","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Connecting probability for random bounded-range one-dimensional network 随机有界一维网络的连接概率
Annali dell''Universita di Ferrara Pub Date : 2024-03-25 DOI: 10.1007/s11565-024-00508-6
Lorenzo Federico
{"title":"Connecting probability for random bounded-range one-dimensional network","authors":"Lorenzo Federico","doi":"10.1007/s11565-024-00508-6","DOIUrl":"10.1007/s11565-024-00508-6","url":null,"abstract":"<div><p>We consider a class of bounded-range 1<i>D</i> network models on a cycle and prove that, unlike the corresponding infinite-volume models, which never contain infinite components, they actually exhibit a phase transition for connectivity. We further show that depending on the specific choice of the edge probabilities, the last obstruction to connectivity can either be the existence of isolated vertices or the split of the cycle into two spatially separated components.</p></div>","PeriodicalId":35009,"journal":{"name":"Annali dell''Universita di Ferrara","volume":"70 4","pages":"1389 - 1403"},"PeriodicalIF":0.0,"publicationDate":"2024-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11565-024-00508-6.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140381932","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Existence of three solutions to a p(z)-Laplacian-Like Robin problem p(z)-Laplacian-Like Robin 问题的三个解的存在性
Annali dell''Universita di Ferrara Pub Date : 2024-03-21 DOI: 10.1007/s11565-024-00509-5
Mohamed El Ouaarabi, Noureddine Moujane, Said Melliani
{"title":"Existence of three solutions to a p(z)-Laplacian-Like Robin problem","authors":"Mohamed El Ouaarabi,&nbsp;Noureddine Moujane,&nbsp;Said Melliani","doi":"10.1007/s11565-024-00509-5","DOIUrl":"10.1007/s11565-024-00509-5","url":null,"abstract":"<div><p>This paper deals with the existence of solutions for a Robin boundary problem involving the <i>p</i>(<i>z</i>)-Laplacian-Like operator. Using Ricceri’s variational method, we prove the existence result of at least three nontrivial solutions of the considered problem in the framework of double weighted generalized Sobolev space.</p></div>","PeriodicalId":35009,"journal":{"name":"Annali dell''Universita di Ferrara","volume":"70 4","pages":"1375 - 1388"},"PeriodicalIF":0.0,"publicationDate":"2024-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140221529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Higher order elliptic equations in weighted Banach spaces 加权巴拿赫空间中的高阶椭圆方程
Annali dell''Universita di Ferrara Pub Date : 2024-03-15 DOI: 10.1007/s11565-024-00505-9
Bilal T. Bilalov, Sabina R. Sadigova, Lyoubomira G. Softova
{"title":"Higher order elliptic equations in weighted Banach spaces","authors":"Bilal T. Bilalov,&nbsp;Sabina R. Sadigova,&nbsp;Lyoubomira G. Softova","doi":"10.1007/s11565-024-00505-9","DOIUrl":"10.1007/s11565-024-00505-9","url":null,"abstract":"<div><p>We consider <i>m</i>-th order linear, uniformly elliptic equations <span>(mathcal {L}u=f)</span> with non-smooth coefficients in Banach–Sobolev spaces <span>(W_{X_w}^m (Omega ))</span> generated by weighted Banach Function Spaces (BFS) <span>(X_w (Omega ))</span> on a bounded domain <span>(Omega subset {mathbb R}^{n})</span>. Supposing boundedness of the Hardy–Littlewood Maximal operator and the Calderón–Zygmund singular integrals in <span>(X_w (Omega ))</span> we obtain solvability in the small in <span>(W_{X_w}^m (Omega ))</span> and establish interior Schauder type a priori estimates. These results will be used in order to obtain Fredholmness of the operator <span>(mathcal {L})</span> in <span>(X_w (Omega ))</span>.</p></div>","PeriodicalId":35009,"journal":{"name":"Annali dell''Universita di Ferrara","volume":"70 4","pages":"1351 - 1373"},"PeriodicalIF":0.0,"publicationDate":"2024-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11565-024-00505-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142411996","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A new double inertial subgradient extragradient algorithm for solving split pseudomonotone equilibrium problems and fixed point problems 解决分裂伪单调平衡问题和定点问题的新型双惯性子梯度外算法
Annali dell''Universita di Ferrara Pub Date : 2024-03-14 DOI: 10.1007/s11565-024-00496-7
A. A. Mebawondu, A. E. Ofem, F. Akutsah, C. Agbonkhese, F. Kasali, O. K. Narain
{"title":"A new double inertial subgradient extragradient algorithm for solving split pseudomonotone equilibrium problems and fixed point problems","authors":"A. A. Mebawondu,&nbsp;A. E. Ofem,&nbsp;F. Akutsah,&nbsp;C. Agbonkhese,&nbsp;F. Kasali,&nbsp;O. K. Narain","doi":"10.1007/s11565-024-00496-7","DOIUrl":"10.1007/s11565-024-00496-7","url":null,"abstract":"<div><p>The purpose of this article is to suggest a modified subgradient extragradient method that includes double inertial extrapolations and viscosity approach for finding the common solution of split equilibrium problem and fixed point problem. The strong convergence result of the suggested method is obtained under some standard assumptions on the control parameters. Our method does not require solving two strongly convex optimization problems in the feasible sets per iteration, and the step-sizes do not depend on bifunctional Lipschitz-type constants. Furthermore, unlike several methods in the literature, our method does not depend on the prior knowledge of the operator norm of the bounded linear operator. Instead, the step-sizes are self adaptively updated. We apply our method to solve split variational inequality problem. Lastly, we conduct some numerical test to compare our method with some well known methods in the literature.\u0000</p></div>","PeriodicalId":35009,"journal":{"name":"Annali dell''Universita di Ferrara","volume":"70 4","pages":"1321 - 1349"},"PeriodicalIF":0.0,"publicationDate":"2024-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11565-024-00496-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140242919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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