Annali dell''Universita di Ferrara最新文献_第3页

Generalized derivations with center-like subsets in prime rings 素环上类中心子集的广义导数

Annali dell''Universita di Ferrara Pub Date : 2025-05-07 DOI: 10.1007/s11565-025-00592-2

Ahmed Aboubakr

引用次数: 0

On a nonlinear partial differential equation with a (pleft( .right) )-triharmonic operator 具有(pleft( .right) ) -三调和算子的非线性偏微分方程

Annali dell''Universita di Ferrara Pub Date : 2025-04-30 DOI: 10.1007/s11565-025-00593-1

Ismail Aydın, Khaled Kefi

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Exponential decay for a porous elastic truncated model with time delay effects 具有时间延迟效应的多孔弹性截断模型的指数衰减

Annali dell''Universita di Ferrara Pub Date : 2025-04-21 DOI: 10.1007/s11565-025-00589-x

Dilberto da Silva Almeida Júnior, Anderson de Jesus Araújo Ramos, Mirelson Martins Freitas, Baowei Feng, Luiz Gutemberg Rosário Miranda

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Existence of optimum solution of the fractional integral equation via measure of noncompactness 分数阶积分方程非紧性测度的最优解的存在性

Annali dell''Universita di Ferrara Pub Date : 2025-04-12 DOI: 10.1007/s11565-025-00590-4

Mallika Sarmah, Anupam Das, Dipak Sarma

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A stability result of a one-dimensional coupled system of wave equations with Fourier heat conduction 一维傅里叶热传导波动方程耦合系统的稳定性结果

Annali dell''Universita di Ferrara Pub Date : 2025-04-11 DOI: 10.1007/s11565-025-00591-3

Hizia Bounadja, Oumkeltoum Benhamouda, Salim Messaoudi

引用次数: 0

A study on pure closed submodules 纯闭子模的研究

Annali dell''Universita di Ferrara Pub Date : 2025-04-05 DOI: 10.1007/s11565-025-00588-y

Alaa Abdul Azeez Abdul Ameer, Muna Abbas Ahmed

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q-Legendre based Gould–Hopper polynomials and q-operational methods 基于q-Legendre的Gould-Hopper多项式和q-运算方法

Annali dell''Universita di Ferrara Pub Date : 2025-04-03 DOI: 10.1007/s11565-025-00587-z

Fadel Mohammed, William Ramírez, Clemente Cesarano, Stiven Díaz

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引用次数: 0

On a class of nonlinear elliptic problems with double phase effects and laplacian-type operators in Musielak-Orlicz-Sobolev spaces Musielak-Orlicz-Sobolev空间中一类具有双相位效应和拉普拉斯算子的非线性椭圆型问题

Annali dell''Universita di Ferrara Pub Date : 2025-03-15 DOI: 10.1007/s11565-025-00586-0

Hasna Moujani, Ali El Mfadel, Abderrazak Kassidi, M.’hamed El Omari

引用次数: 0

Well-posedness for stochastic fractional navier-stokes equation in critical Fourier-Besov-Morrey spaces 临界Fourier-Besov-Morrey空间中随机分数阶navier-stokes方程的适定性

Annali dell''Universita di Ferrara Pub Date : 2025-03-15 DOI: 10.1007/s11565-025-00584-2

Fatima Ouidirne, Achraf Azanzal, Mohamed Oukessou

引用次数: 0

A new generalization of the class of (m-)symmetric operators (m-)对称算子类的新推广

Annali dell''Universita di Ferrara Pub Date : 2025-03-10 DOI: 10.1007/s11565-025-00585-1

Souhaib Djaballah, Messaoud Guesba

{"title":"A new generalization of the class of (m-)symmetric operators","authors":"Souhaib Djaballah, Messaoud Guesba","doi":"10.1007/s11565-025-00585-1","DOIUrl":"10.1007/s11565-025-00585-1","url":null,"abstract":"<div>In this paper, we define and study a new class of bounded linear operators which is a generalization of the class of (m-)symmetric operators. Let m be a strictly positive integer number and (Uin {mathcal {B}}({mathcal {H}})) is a unitary operator, an operator (Tin {mathcal {B}}({mathcal {H}})) is said to be a ((U,m)-)symmetry if it commutes with U such that <div><div>$$begin{aligned} sum _{k=0}^m (-1)^{k}left( begin{array}{l} m k end{array}right) T^{*(m-k)}T^{k}U^{k}=0. end{aligned}$$</div></div>It is shown that if T is a ((U,m)-)symmetry, then (T^{p}) is a ((U^{p},m)-)symmetry. We study the product and the sum of such a class. Moreover, if T is a ((U,m)-)symmetry and m is even, we obtain that T is a ((U,m-1)-)symmetry. We prove that if Q is a nilpotent operator of order n which commutes with both T and U, then (T+Q) is a ((U,m+2n-2)-)symmetry. Also, we give some spectral properties of ((U,m)-)symmetric operators. Finally, we show further results concerning this class of operators on a finite dimensional Hilbert space.</div>","PeriodicalId":35009,"journal":{"name":"Annali dell''Universita di Ferrara","volume":"71 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143583401","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