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Tokyo Journal of Mathematics最新文献

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On Generalised Kummer Congruences and Higher Rank Iwasawa Theory at Arbitrary Weights 任意权值的广义Kummer同余与高阶Iwasawa理论
IF 0.6 4区 数学
Tokyo Journal of Mathematics Pub Date : 2019-12-01 DOI: 10.3836/TJM/1502179304
Kwok-Wing Tsoi
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引用次数: 2
Composition in Modulus Maps on Semigroups of Continuous Functions 连续函数半群上模映射的复合
IF 0.6 4区 数学
Tokyo Journal of Mathematics Pub Date : 2019-10-21 DOI: 10.3836/TJM/1502179334
B. Jafarzadeh, F. Sady
{"title":"Composition in Modulus Maps on Semigroups of Continuous\u0000 Functions","authors":"B. Jafarzadeh, F. Sady","doi":"10.3836/TJM/1502179334","DOIUrl":"https://doi.org/10.3836/TJM/1502179334","url":null,"abstract":"For locally compact Hausdorff spaces $X$ and $Y$, and function algebras $A$ and $B$ on $X$ and $Y$, respectively, surjections $T:A longrightarrow B$ satisfying norm multiplicative condition $|Tf, Tg|_Y =|fg|_X$, $f,gin A$, with respect to the supremum norms, and those satisfying $||Tf|+|Tg||_Y=||f|+|g||_X$ have been extensively studied. Motivated by this, we consider certain (multiplicative or additive) subsemigroups $A$ and $B$ of $C_0(X)$ and $C_0(Y)$, respectively, and study surjections $T: A longrightarrow B$ satisfying the norm condition $rho(Tf, Tg)=rho(f,g)$, $f,g in A$, for some class of two variable positive functions $rho$. It is shown that $T$ is also a composition in modulus map.","PeriodicalId":48976,"journal":{"name":"Tokyo Journal of Mathematics","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2019-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46930412","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 Construction of Special Lagrangian Submanifolds by Generalized Perpendicular Symmetries 用广义垂直对称构造特殊拉格朗日子流形
IF 0.6 4区 数学
Tokyo Journal of Mathematics Pub Date : 2019-07-17 DOI: 10.3836/TJM/1502179306
Akifumi Ochiai
{"title":"A Construction of Special Lagrangian Submanifolds by Generalized Perpendicular Symmetries","authors":"Akifumi Ochiai","doi":"10.3836/TJM/1502179306","DOIUrl":"https://doi.org/10.3836/TJM/1502179306","url":null,"abstract":"We show a method to construct a special Lagrangian submanifold L' from a given special Lagrangian submanifold L in a Calabi-Yau manifold with the use of generalized perpendicular symmetries. We use moment maps of the actions of Lie groups, which are not necessarily abelian. By our method, we construct some non-trivial examples in the cotangent bundles of the spheres which are non-flat Calabi-Yau manifolds equipped with the Stenzel metrics.","PeriodicalId":48976,"journal":{"name":"Tokyo Journal of Mathematics","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2019-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46316494","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
Hopf Bifurcation and Hopf-Pitchfork Bifurcation in an Integro-Differential Reaction-Diffusion System 积分微分反应扩散系统中的Hopf分支和Hopf节叉分支
IF 0.6 4区 数学
Tokyo Journal of Mathematics Pub Date : 2019-06-01 DOI: 10.3836/TJM/1502179295
Shunsuke Kobayashi, T. Sakamoto
{"title":"Hopf Bifurcation and Hopf-Pitchfork Bifurcation in an Integro-Differential Reaction-Diffusion System","authors":"Shunsuke Kobayashi, T. Sakamoto","doi":"10.3836/TJM/1502179295","DOIUrl":"https://doi.org/10.3836/TJM/1502179295","url":null,"abstract":"","PeriodicalId":48976,"journal":{"name":"Tokyo Journal of Mathematics","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49570845","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: 2
Bounds for Multiple Recurrence Rate and Dimension 多重递归率和维数的界限
IF 0.6 4区 数学
Tokyo Journal of Mathematics Pub Date : 2019-06-01 DOI: 10.3836/TJM/1502179281
Michihiro Hirayama
{"title":"Bounds for Multiple Recurrence Rate and Dimension","authors":"Michihiro Hirayama","doi":"10.3836/TJM/1502179281","DOIUrl":"https://doi.org/10.3836/TJM/1502179281","url":null,"abstract":"","PeriodicalId":48976,"journal":{"name":"Tokyo Journal of Mathematics","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47181199","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: 2
Homology of the Complex of All Non-trivial Nilpotent Subgroups of a Finite Non-solvable Group 有限不可解群的所有非平凡幂零子群复合体的同调
IF 0.6 4区 数学
Tokyo Journal of Mathematics Pub Date : 2019-06-01 DOI: 10.3836/TJM/1502179264
N. Iiyori, M. Sawabe
{"title":"Homology of the Complex of All Non-trivial Nilpotent Subgroups of a Finite Non-solvable Group","authors":"N. Iiyori, M. Sawabe","doi":"10.3836/TJM/1502179264","DOIUrl":"https://doi.org/10.3836/TJM/1502179264","url":null,"abstract":"","PeriodicalId":48976,"journal":{"name":"Tokyo Journal of Mathematics","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42680035","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 Calculation of the Hyperbolic Torsion Polynomial of a Pretzel Knot Pretzel结的双曲扭转多项式的计算
IF 0.6 4区 数学
Tokyo Journal of Mathematics Pub Date : 2019-06-01 DOI: 10.3836/TJM/1502179265
Takayuki Morifuji
{"title":"A Calculation of the Hyperbolic Torsion Polynomial of a Pretzel Knot","authors":"Takayuki Morifuji","doi":"10.3836/TJM/1502179265","DOIUrl":"https://doi.org/10.3836/TJM/1502179265","url":null,"abstract":"","PeriodicalId":48976,"journal":{"name":"Tokyo Journal of Mathematics","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42002762","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
Classification of Very Cuspidal Representations of $mathrm{GL}_m(D)$ $ mathm {GL}_m(D)$的极尖表示的分类
IF 0.6 4区 数学
Tokyo Journal of Mathematics Pub Date : 2019-06-01 DOI: 10.3836/TJM/1502179296
Kazutoshi Kariyama
{"title":"Classification of Very Cuspidal Representations of $mathrm{GL}_m(D)$","authors":"Kazutoshi Kariyama","doi":"10.3836/TJM/1502179296","DOIUrl":"https://doi.org/10.3836/TJM/1502179296","url":null,"abstract":"","PeriodicalId":48976,"journal":{"name":"Tokyo Journal of Mathematics","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42875735","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
Conformal Slant Riemannian Maps to Kähler Manifolds Kähler流形的共形斜黎曼映射
IF 0.6 4区 数学
Tokyo Journal of Mathematics Pub Date : 2019-06-01 DOI: 10.3836/TJM/1502179277
M. Akyol, B. Şahin
{"title":"Conformal Slant Riemannian Maps to Kähler Manifolds","authors":"M. Akyol, B. Şahin","doi":"10.3836/TJM/1502179277","DOIUrl":"https://doi.org/10.3836/TJM/1502179277","url":null,"abstract":"","PeriodicalId":48976,"journal":{"name":"Tokyo Journal of Mathematics","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42537659","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: 13
Crystallographic Groups Arising from Teichmüller Spaces 由teichmller空间产生的晶体群
IF 0.6 4区 数学
Tokyo Journal of Mathematics Pub Date : 2019-06-01 DOI: 10.3836/TJM/1502179302
Yukio Matsumoto
{"title":"Crystallographic Groups Arising from Teichmüller Spaces","authors":"Yukio Matsumoto","doi":"10.3836/TJM/1502179302","DOIUrl":"https://doi.org/10.3836/TJM/1502179302","url":null,"abstract":"","PeriodicalId":48976,"journal":{"name":"Tokyo Journal of Mathematics","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47839232","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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