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The isometric embedding of the augmented Teichmüller space of a Riemann surface into the augmented Teichmüller space of its covering surface 将黎曼曲面的增广teichm<e:1> ller空间等距嵌入其覆盖面的增广teichm<e:1> ller空间
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2019-06-27 DOI: 10.2996/KMJ/1562032835
Guangming Hu, Y. Qi
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引用次数: 3
Relationships among non-flat totally geodesic surfaces in symmetric spaces of type A and their polynomial representations A型对称空间中非平坦全测地线曲面的关系及其多项式表示
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2019-06-01 DOI: 10.2996/KMJ/1562032828
H. Hashimoto, Misa Ohashi, Kazuhiro Suzuki
{"title":"Relationships among non-flat totally geodesic surfaces in symmetric spaces of type A and their polynomial representations","authors":"H. Hashimoto, Misa Ohashi, Kazuhiro Suzuki","doi":"10.2996/KMJ/1562032828","DOIUrl":"https://doi.org/10.2996/KMJ/1562032828","url":null,"abstract":"We give computational systems of polynomial representations of the composition maps of non-flat totally geodesic surfaces of the symmetric spaces of type A which are obtained by K. Mashimo, and the Cartan imbeddings of symmetric spaces of type A to $SU(n)$. We obtain the relationships among the non-flat totally geodesic surfaces in symmetric spaces of types AI, AII and AIII by this methods.","PeriodicalId":54747,"journal":{"name":"Kodai Mathematical Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42026968","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 p-analogue of the multiple Euler constant 复数欧拉常数的p-类似物
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2019-06-01 DOI: 10.2996/KMJ/1562032836
N. Kurokawa, Y. Taguchi, Hidekazu Tanaka
{"title":"A p-analogue of the multiple Euler constant","authors":"N. Kurokawa, Y. Taguchi, Hidekazu Tanaka","doi":"10.2996/KMJ/1562032836","DOIUrl":"https://doi.org/10.2996/KMJ/1562032836","url":null,"abstract":"","PeriodicalId":54747,"journal":{"name":"Kodai Mathematical Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45334208","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
Thick representations and dense representations I 厚表示和稠密表示I
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2019-06-01 DOI: 10.2996/KMJ/1562032831
K. Nakamoto, Yasuhiro Omoda
{"title":"Thick representations and dense representations I","authors":"K. Nakamoto, Yasuhiro Omoda","doi":"10.2996/KMJ/1562032831","DOIUrl":"https://doi.org/10.2996/KMJ/1562032831","url":null,"abstract":"","PeriodicalId":54747,"journal":{"name":"Kodai Mathematical Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2996/KMJ/1562032831","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44031794","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: 1
On scaling limit of a cost in adhoc network model 自组织网络模型中代价的伸缩极限
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2019-06-01 DOI: 10.2996/KMJ/1562032830
Yukio Nagahata
{"title":"On scaling limit of a cost in adhoc network model","authors":"Yukio Nagahata","doi":"10.2996/KMJ/1562032830","DOIUrl":"https://doi.org/10.2996/KMJ/1562032830","url":null,"abstract":"","PeriodicalId":54747,"journal":{"name":"Kodai Mathematical Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48488388","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
Extensions of Bonnet-Myers-type theorems with the Bakry-Emery Ricci curvature 具有Bakry-Emery Ricci曲率的bonnet - myers型定理的扩展
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2019-05-04 DOI: 10.2996/kmj45302
Hongbing Qiu
{"title":"Extensions of Bonnet-Myers-type theorems with the Bakry-Emery Ricci curvature","authors":"Hongbing Qiu","doi":"10.2996/kmj45302","DOIUrl":"https://doi.org/10.2996/kmj45302","url":null,"abstract":"In this paper, we prove the extensions of Bonnet--Myers' type theorems obtained by Calabi and Cheeger--Gromov--Taylor via Bakry--Emery Ricci curvature, which generalize the results of cite{FG, Lim1, Wan, Wang, WW, Wu}.","PeriodicalId":54747,"journal":{"name":"Kodai Mathematical Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2019-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41659297","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
Conformal and projective characterizations of an odd dimensional unit sphere 奇维单位球的保角和射影特征
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2019-03-18 DOI: 10.2996/KMJ/1552982511
Ramesh Sharma
{"title":"Conformal and projective characterizations of an odd dimensional unit sphere","authors":"Ramesh Sharma","doi":"10.2996/KMJ/1552982511","DOIUrl":"https://doi.org/10.2996/KMJ/1552982511","url":null,"abstract":"","PeriodicalId":54747,"journal":{"name":"Kodai Mathematical Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2019-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2996/KMJ/1552982511","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43508995","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: 4
On the geometry of singular K3 surfaces with discriminant 3, 4 and 7 具有3、4、7区别的奇异K3曲面的几何性质
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2019-03-07 DOI: 10.2996/kmj/kmj45110
Taiki Takatsu
{"title":"On the geometry of singular K3 surfaces with discriminant 3, 4 and 7","authors":"Taiki Takatsu","doi":"10.2996/kmj/kmj45110","DOIUrl":"https://doi.org/10.2996/kmj/kmj45110","url":null,"abstract":"We give construction of singular K3 surfaces with discriminant 3 and 4 as double coverings over the projective plane. Focusing on the similarities in their branching loci, we can generalize this construction, and obtain a three dimensional moduli space of certain K3 surfaces which admit infinite automorphism groups. Moreover, we show that these K3 surfaces are characterized in terms of the configuration of the singular fibres and a global section, and also in terms of periods.","PeriodicalId":54747,"journal":{"name":"Kodai Mathematical Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2019-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45787214","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 supersingular divisors of nilpotent admissible indigenous bundles 关于幂零可容许局部丛的超奇异除数
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2019-03-01 DOI: 10.2996/KMJ/1552982501
Yuichiro Hoshi
{"title":"On the supersingular divisors of nilpotent admissible indigenous bundles","authors":"Yuichiro Hoshi","doi":"10.2996/KMJ/1552982501","DOIUrl":"https://doi.org/10.2996/KMJ/1552982501","url":null,"abstract":"In the present paper, we give a characterization of the supersingular divisors [i.e., the zero loci of the Hasse invariants] of nilpotent admissible/ordinary indigenous bundles on hyperbolic curves. By applying the characterization, we also obtain lists of the nilpotent indigenous bundles on certain hyperbolic curves. Moreover, we prove the hyperbolic ordinariness of certain hyperbolic curves.","PeriodicalId":54747,"journal":{"name":"Kodai Mathematical Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43379631","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
Some remarks on Riemannian manifolds with parallel Cotton tensor 关于具有平行Cotton张量的黎曼流形的一些注释
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2019-03-01 DOI: 10.2996/kmj/1552982506
Hai-Ping Fu, G. Xu, Yong-Qian Tao
{"title":"Some remarks on Riemannian manifolds with parallel Cotton tensor","authors":"Hai-Ping Fu, G. Xu, Yong-Qian Tao","doi":"10.2996/kmj/1552982506","DOIUrl":"https://doi.org/10.2996/kmj/1552982506","url":null,"abstract":"","PeriodicalId":54747,"journal":{"name":"Kodai Mathematical Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2996/kmj/1552982506","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44887133","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
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