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Communications in Contemporary Mathematics最新文献

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Existence and obstructions for the curvature on compact manifolds with boundary 有边界的紧凑流形上曲率的存在性和障碍性
IF 1.2 2区 数学
Communications in Contemporary Mathematics Pub Date : 2024-07-26 DOI: 10.1142/s0219199724500421
T. Cruz, Almir Silva Santos, Feliciano Vitorio
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引用次数: 0
A global lifting for finite-dimensional lie algebras of complete vector fields 完整向量场的有限维谎言代数的全局提升
IF 1.2 2区 数学
Communications in Contemporary Mathematics Pub Date : 2024-07-26 DOI: 10.1142/s0219199724500445
Stefano Biagi, A. Bonfiglioli
{"title":"A global lifting for finite-dimensional lie algebras of complete vector fields","authors":"Stefano Biagi, A. Bonfiglioli","doi":"10.1142/s0219199724500445","DOIUrl":"https://doi.org/10.1142/s0219199724500445","url":null,"abstract":"","PeriodicalId":50660,"journal":{"name":"Communications in Contemporary Mathematics","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141800803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Boundary controllability of a higher-order Boussinesq system 高阶 Boussinesq 系统的边界可控性
IF 1.2 2区 数学
Communications in Contemporary Mathematics Pub Date : 2024-07-26 DOI: 10.1142/s0219199724500408
S. Micu, A. Pazoto, Miguel D. Soto Vieira
{"title":"Boundary controllability of a higher-order Boussinesq system","authors":"S. Micu, A. Pazoto, Miguel D. Soto Vieira","doi":"10.1142/s0219199724500408","DOIUrl":"https://doi.org/10.1142/s0219199724500408","url":null,"abstract":"","PeriodicalId":50660,"journal":{"name":"Communications in Contemporary Mathematics","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141801367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Uniqueness of solutions for nonlinear elliptic problems with supercritical growth in ramified domains 夯实域中超临界增长的非线性椭圆问题解的唯一性
IF 1.2 2区 数学
Communications in Contemporary Mathematics Pub Date : 2024-07-05 DOI: 10.1142/s0219199724500330
R. Molle, D. Passaseo
{"title":"Uniqueness of solutions for nonlinear elliptic problems with supercritical growth in ramified domains","authors":"R. Molle, D. Passaseo","doi":"10.1142/s0219199724500330","DOIUrl":"https://doi.org/10.1142/s0219199724500330","url":null,"abstract":"","PeriodicalId":50660,"journal":{"name":"Communications in Contemporary Mathematics","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2024-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141675358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Young walls and graded dimension formulas for finite quiver Hecke algebras of types A2n−1(2), Dn(1) and Bn(1) A2n-1(2)、Dn(1)和Bn(1)类型有限四元组赫克代数的杨墙和分级维度公式
IF 1.2 2区 数学
Communications in Contemporary Mathematics Pub Date : 2024-07-05 DOI: 10.1142/s0219199724500329
Shaolong Han
{"title":"Young walls and graded dimension formulas for finite quiver Hecke algebras of types A2n−1(2), Dn(1) and Bn(1)","authors":"Shaolong Han","doi":"10.1142/s0219199724500329","DOIUrl":"https://doi.org/10.1142/s0219199724500329","url":null,"abstract":"","PeriodicalId":50660,"journal":{"name":"Communications in Contemporary Mathematics","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2024-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141674055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Periodic solutions of Lagrangian systems under small perturbations 小扰动下拉格朗日系统的周期解
IF 1.2 2区 数学
Communications in Contemporary Mathematics Pub Date : 2024-07-05 DOI: 10.1142/s0219199724500317
M. Izydorek, Joanna Janczewska, Nils Waterstraat
{"title":"Periodic solutions of Lagrangian systems under small perturbations","authors":"M. Izydorek, Joanna Janczewska, Nils Waterstraat","doi":"10.1142/s0219199724500317","DOIUrl":"https://doi.org/10.1142/s0219199724500317","url":null,"abstract":"","PeriodicalId":50660,"journal":{"name":"Communications in Contemporary Mathematics","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2024-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141675854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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 new invariant on 3-dimensional manifolds and applications 三维流形上的新不变量及其应用
IF 1.2 2区 数学
Communications in Contemporary Mathematics Pub Date : 2024-07-05 DOI: 10.1142/s0219199724500366
Yuxin Ge, Mingxiang Li, Zhao Lian
{"title":"A new invariant on 3-dimensional manifolds and applications","authors":"Yuxin Ge, Mingxiang Li, Zhao Lian","doi":"10.1142/s0219199724500366","DOIUrl":"https://doi.org/10.1142/s0219199724500366","url":null,"abstract":"","PeriodicalId":50660,"journal":{"name":"Communications in Contemporary Mathematics","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2024-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141675117","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Maximal directional derivatives in Laakso space 拉克索空间的最大方向导数
IF 1.6 2区 数学
Communications in Contemporary Mathematics Pub Date : 2024-05-15 DOI: 10.1142/s0219199724500172
Marco Capolli, Andrea Pinamonti, Gareth Speight
{"title":"Maximal directional derivatives in Laakso space","authors":"Marco Capolli, Andrea Pinamonti, Gareth Speight","doi":"10.1142/s0219199724500172","DOIUrl":"https://doi.org/10.1142/s0219199724500172","url":null,"abstract":"<p>We investigate the connection between maximal directional derivatives and differentiability for Lipschitz functions defined on Laakso space. We show that maximality of a directional derivative for a Lipschitz function implies differentiability only for a <span><math altimg=\"eq-00001.gif\" display=\"inline\" overflow=\"scroll\"><mi>σ</mi></math></span><span></span>-porous set of points. On the other hand, the distance to a fixed point is differentiable everywhere except for a <span><math altimg=\"eq-00002.gif\" display=\"inline\" overflow=\"scroll\"><mi>σ</mi></math></span><span></span>-porous set of points. This behavior is completely different to the previously studied settings of Euclidean spaces, Carnot groups and Banach spaces. Hence, the techniques used in these spaces do not generalize to metric measure spaces.</p>","PeriodicalId":50660,"journal":{"name":"Communications in Contemporary Mathematics","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141150969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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 strong Brunn–Minkowski inequaliity and its equivalence with the CD condition 强布伦-闵科夫斯基不等式及其与 CD 条件的等价性
IF 1.6 2区 数学
Communications in Contemporary Mathematics Pub Date : 2024-05-10 DOI: 10.1142/s0219199724500251
Mattia Magnabosco, Lorenzo Portinale, T. Rossi
{"title":"The strong Brunn–Minkowski inequaliity and its equivalence with the CD condition","authors":"Mattia Magnabosco, Lorenzo Portinale, T. Rossi","doi":"10.1142/s0219199724500251","DOIUrl":"https://doi.org/10.1142/s0219199724500251","url":null,"abstract":"","PeriodicalId":50660,"journal":{"name":"Communications in Contemporary Mathematics","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140992421","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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 Borel subalgebras of quantum group 论量子群的玻尔子代数
IF 1.6 2区 数学
Communications in Contemporary Mathematics Pub Date : 2024-05-10 DOI: 10.1142/s0219199724500287
S. Lentner, K. Vocke
{"title":"On Borel subalgebras of quantum group","authors":"S. Lentner, K. Vocke","doi":"10.1142/s0219199724500287","DOIUrl":"https://doi.org/10.1142/s0219199724500287","url":null,"abstract":"","PeriodicalId":50660,"journal":{"name":"Communications in Contemporary Mathematics","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140991935","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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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