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Ricerche di Matematica最新文献

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Correction: Hopf bifurcation and Turing patterns for a diffusive predator?prey system with weak Allee effect 更正：具有弱阿利效应的扩散捕食者与猎物系统的霍普夫分岔和图灵模式
IF 1.2 4区 数学
Ricerche di Matematica Pub Date : 2023-12-30 DOI: 10.1007/s11587-023-00833-6
Wenbin Yang, Xin Chang
{"title":"Correction: Hopf bifurcation and Turing patterns for a diffusive predator?prey system with weak Allee effect","authors":"Wenbin Yang, Xin Chang","doi":"10.1007/s11587-023-00833-6","DOIUrl":"https://doi.org/10.1007/s11587-023-00833-6","url":null,"abstract":"","PeriodicalId":21373,"journal":{"name":"Ricerche di Matematica","volume":" 2","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139140403","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
Regularity for solutions of elliptic $$p(x)-$$ Laplacian type equations with lower order terms and hardy potential 具有低阶项和硬势的椭圆 $$p(x)-$$ 拉普拉卡方程解的正则性
IF 1.2 4区 数学
Ricerche di Matematica Pub Date : 2023-12-26 DOI: 10.1007/s11587-023-00823-8
Hichem Khelifi, Karima Ait-Mahiout
{"title":"Regularity for solutions of elliptic $$p(x)-$$ Laplacian type equations with lower order terms and hardy potential","authors":"Hichem Khelifi, Karima Ait-Mahiout","doi":"10.1007/s11587-023-00823-8","DOIUrl":"https://doi.org/10.1007/s11587-023-00823-8","url":null,"abstract":"<p>This paper aims to investigate a type of nonlinear elliptic equation that contains a Hardy potential, lower order term and <span>(L^{m(.)})</span> datum in the setting of Sobolev spaces with variable exponent. Despite the presence of a Hardy potential, the existence of solutions and regularizing effect of some lower order terms in <span>(p(x)-)</span>Laplacian type elliptic equations are proved.\u0000</p>","PeriodicalId":21373,"journal":{"name":"Ricerche di Matematica","volume":"33 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139053670","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
Un Ricordo di Salvatore Rionero, di Franco Cardin 缅怀萨尔瓦多-里昂内罗》，作者：弗朗科-卡丹
IF 1.2 4区 数学
Ricerche di Matematica Pub Date : 2023-12-22 DOI: 10.1007/s11587-023-00843-4
Franco Cardin
{"title":"Un Ricordo di Salvatore Rionero, di Franco Cardin","authors":"Franco Cardin","doi":"10.1007/s11587-023-00843-4","DOIUrl":"https://doi.org/10.1007/s11587-023-00843-4","url":null,"abstract":"","PeriodicalId":21373,"journal":{"name":"Ricerche di Matematica","volume":"9 2","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138947395","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
Un breve ricordo personale di Salvatore Rionero, di Giuseppe Saccomandi 萨尔瓦多-里昂内罗的简短个人回忆，作者：朱塞佩-萨科曼迪
IF 1.2 4区 数学
Ricerche di Matematica Pub Date : 2023-12-21 DOI: 10.1007/s11587-023-00842-5
G. Saccomandi
{"title":"Un breve ricordo personale di Salvatore Rionero, di Giuseppe Saccomandi","authors":"G. Saccomandi","doi":"10.1007/s11587-023-00842-5","DOIUrl":"https://doi.org/10.1007/s11587-023-00842-5","url":null,"abstract":"","PeriodicalId":21373,"journal":{"name":"Ricerche di Matematica","volume":"65 8","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138953141","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
In ricordo di Salvatore Rionero. Intervista a Tommaso Ruggeri 纪念萨尔瓦多-里昂内罗采访托马索-鲁杰里
IF 1.2 4区 数学
Ricerche di Matematica Pub Date : 2023-12-21 DOI: 10.1007/s11587-023-00841-6
G. Arnone
{"title":"In ricordo di Salvatore Rionero. Intervista a Tommaso Ruggeri","authors":"G. Arnone","doi":"10.1007/s11587-023-00841-6","DOIUrl":"https://doi.org/10.1007/s11587-023-00841-6","url":null,"abstract":"","PeriodicalId":21373,"journal":{"name":"Ricerche di Matematica","volume":"48 11","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138950798","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 co-maximal subgroup graph of a group-II 关于第 II 组的共最大子群图
IF 1.2 4区 数学
Ricerche di Matematica Pub Date : 2023-12-20 DOI: 10.1007/s11587-023-00836-3
Angsuman Das, Manideepa Saha
{"title":"On co-maximal subgroup graph of a group-II","authors":"Angsuman Das, Manideepa Saha","doi":"10.1007/s11587-023-00836-3","DOIUrl":"https://doi.org/10.1007/s11587-023-00836-3","url":null,"abstract":"<p>In this sequel paper, we continue our study on co-maximal subgroup graph <span>(Gamma (G))</span> of a group <i>G</i>. We discuss some further results on connectedness and when <span>(Gamma (G))</span> is edgeless. Moreover, we study the independence number, chromatic number and perfectness of <span>(Gamma (G))</span>. In the process, we show that if the independence number is suitably small, then the underlying group is solvable. We also classify co-maximal subgroup graphs of certain groups upto isomorphism.</p>","PeriodicalId":21373,"journal":{"name":"Ricerche di Matematica","volume":"231 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138819383","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
Finite groups with two kernels of nonlinear irreducible characters 具有两个非线性不可还原字核的有限群
IF 1.2 4区 数学
Ricerche di Matematica Pub Date : 2023-12-20 DOI: 10.1007/s11587-023-00834-5
Qingyun Meng, Yali Li
{"title":"Finite groups with two kernels of nonlinear irreducible characters","authors":"Qingyun Meng, Yali Li","doi":"10.1007/s11587-023-00834-5","DOIUrl":"https://doi.org/10.1007/s11587-023-00834-5","url":null,"abstract":"<p>In this paper, we consider finite groups with few kernels of nonlinear irreducible characters and classify finite solvable groups with two kernels of nonlinear irreducible characters. Nonsolvable groups with this property are also investigated.</p>","PeriodicalId":21373,"journal":{"name":"Ricerche di Matematica","volume":"1 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138819249","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 validity of the Fourier law in a Resonant Tunneling Diode 关于共振隧道二极管中傅立叶定律的有效性
IF 1.2 4区 数学
Ricerche di Matematica Pub Date : 2023-12-18 DOI: 10.1007/s11587-023-00837-2
Orazio Muscato
{"title":"On the validity of the Fourier law in a Resonant Tunneling Diode","authors":"Orazio Muscato","doi":"10.1007/s11587-023-00837-2","DOIUrl":"https://doi.org/10.1007/s11587-023-00837-2","url":null,"abstract":"<p>By using Monte Carlo simulations of the Wigner–Boltzmann transport equation, the validity of a smooth quantum hydrodynamic model has been investigated in a GaAs Resonant Tunneling Diode. The common approximation of the heat flux by Fourier’s law is shown to differ substantially from the actual heat flux.\u0000</p>","PeriodicalId":21373,"journal":{"name":"Ricerche di Matematica","volume":"30 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138745480","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 note on Thompson problem 关于汤普森问题的说明
IF 1.2 4区 数学
Ricerche di Matematica Pub Date : 2023-12-16 DOI: 10.1007/s11587-023-00835-4
Yu Li, Wujie Shi
{"title":"A note on Thompson problem","authors":"Yu Li, Wujie Shi","doi":"10.1007/s11587-023-00835-4","DOIUrl":"https://doi.org/10.1007/s11587-023-00835-4","url":null,"abstract":"<p>In this paper, we prove that if two finite groups <i>G</i> and <i>H</i> have isomorphic Burnside rings, then <i>G</i> and <i>H</i> are the same order type groups, and give an example to show that the Burnside rings of the same order type groups are not necessarily isomorphic. This result is related to the Thompson Problem which was raised in 1987.</p>","PeriodicalId":21373,"journal":{"name":"Ricerche di Matematica","volume":"1 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138691175","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 weak- $$L^{p}$$ Prodi–Serrin type regularity criterion for the micropolar fluid equations in terms of the pressure 用压力表示的微极性流体方程的弱$L^{p}$$Prodi-Serrin 型正则准则
IF 1.2 4区 数学
Ricerche di Matematica Pub Date : 2023-12-15 DOI: 10.1007/s11587-023-00829-2
Ines Ben Omrane, Mourad Ben Slimane, Sadek Gala, Maria Alessandra Ragusa
{"title":"A weak- $$L^{p}$$ Prodi–Serrin type regularity criterion for the micropolar fluid equations in terms of the pressure","authors":"Ines Ben Omrane, Mourad Ben Slimane, Sadek Gala, Maria Alessandra Ragusa","doi":"10.1007/s11587-023-00829-2","DOIUrl":"https://doi.org/10.1007/s11587-023-00829-2","url":null,"abstract":"<p>This paper is devoted to investigating regularity criteria for the 3D micropolar fluid equations in terms of pressure in weak Lebesgue space. More precisely, we mainly proved that the weak solution is regular on (0, <i>T</i>] provided that either the norm <span>(left| pi right| _{L^{alpha ,infty }(0,T;L^{beta ,infty }(mathbb {R}^{3}))})</span> with <span>(frac{2}{alpha }+ frac{3}{beta }=2)</span> and <span>(frac{3}{2}&lt;beta &lt;infty )</span> or <span>(left| nabla pi right| _{L^{alpha ,infty }(0,T;L^{beta ,infty }(mathbb {R} ^{3}))})</span> with <span>(frac{2}{alpha }+frac{3}{beta }=3)</span> and <span>(1&lt;beta &lt;infty )</span> is sufficiently small.\u0000</p>","PeriodicalId":21373,"journal":{"name":"Ricerche di Matematica","volume":"5 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138691173","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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