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Tsukuba Journal of Mathematics最新文献

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Commuting structure Jacobi operators for real hypersurfaces in complex space forms II 复空间形式中实超曲面的交换结构Jacobi算子Ⅱ
IF 0.7
Tsukuba Journal of Mathematics Pub Date : 2018-12-01 DOI: 10.21099/TKBJM/1554170419
U. Ki, Hiroyuki Kurihara
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引用次数: 0
A note on the product of independent random variables with regularly varying tails 关于具有规则变化尾的独立随机变量乘积的一个注记
IF 0.7
Tsukuba Journal of Mathematics Pub Date : 2018-12-01 DOI: 10.21099/tkbjm/1554170426
Y. Kasahara
{"title":"A note on the product of independent random variables with regularly varying tails","authors":"Y. Kasahara","doi":"10.21099/tkbjm/1554170426","DOIUrl":"https://doi.org/10.21099/tkbjm/1554170426","url":null,"abstract":"","PeriodicalId":44321,"journal":{"name":"Tsukuba Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46513350","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: 1
A topological proof of Chen's alternative Kneser coloring theorem 陈氏可选Kneser着色定理的拓扑证明
IF 0.7
Tsukuba Journal of Mathematics Pub Date : 2018-12-01 DOI: 10.21099/TKBJM/1554170424
Yasuhiro Hara
{"title":"A topological proof of Chen's alternative Kneser coloring theorem","authors":"Yasuhiro Hara","doi":"10.21099/TKBJM/1554170424","DOIUrl":"https://doi.org/10.21099/TKBJM/1554170424","url":null,"abstract":"","PeriodicalId":44321,"journal":{"name":"Tsukuba Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45574979","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
Higson compactifications of Wallman type Wallman类型的Higson压实
IF 0.7
Tsukuba Journal of Mathematics Pub Date : 2018-12-01 DOI: 10.21099/tkbjm/1554170423
Y. F. Ortiz-Castillo, A. H. Tomita, Takamitsu Yamauchi
{"title":"Higson compactifications of Wallman type","authors":"Y. F. Ortiz-Castillo, A. H. Tomita, Takamitsu Yamauchi","doi":"10.21099/tkbjm/1554170423","DOIUrl":"https://doi.org/10.21099/tkbjm/1554170423","url":null,"abstract":"We provide a su‰cient condition for a proper metric space in may be of Wallman type.","PeriodicalId":44321,"journal":{"name":"Tsukuba Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41817900","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
A formula for the Hurwitz zeta function, Riemann's functional equation and certain integral representations Hurwitz zeta函数的一个公式，Riemann的泛函方程和某些积分表示
IF 0.7
Tsukuba Journal of Mathematics Pub Date : 2018-12-01 DOI: 10.21099/TKBJM/1554170427
Y. Kachi, P. Tzermias
{"title":"A formula for the Hurwitz zeta function, Riemann's functional equation and certain integral representations","authors":"Y. Kachi, P. Tzermias","doi":"10.21099/TKBJM/1554170427","DOIUrl":"https://doi.org/10.21099/TKBJM/1554170427","url":null,"abstract":"There is a well-known formula for the Hurwitz zeta function which implies the functional equation for the Riemann zeta function. We give a new proof of that formula and recover certain integral representations for the Hurwitz and Riemann zeta functions.","PeriodicalId":44321,"journal":{"name":"Tsukuba Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46908976","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
Ring of the weight enumerators of $d_n^+$ $d_n的权重枚举器环^+$
IF 0.7
Tsukuba Journal of Mathematics Pub Date : 2018-07-01 DOI: 10.21099/TKBJM/1541559648
M. Fujii, M. Oura
{"title":"Ring of the weight enumerators of $d_n^+$","authors":"M. Fujii, M. Oura","doi":"10.21099/TKBJM/1541559648","DOIUrl":"https://doi.org/10.21099/TKBJM/1541559648","url":null,"abstract":"We show that the ring of the weight enumerators of a self-dual doubly even code dn in arbitrary genus is finitely generated. Indeed enough elements to generate it are given. The latter result is applied to obtain a minimal set of generators of the ring in genus two.","PeriodicalId":44321,"journal":{"name":"Tsukuba Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2018-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.21099/TKBJM/1541559648","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45536417","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: 1
Constant negative Gaussian curvature tori and their singularities 常负高斯曲率环面及其奇异性
IF 0.7
Tsukuba Journal of Mathematics Pub Date : 2018-07-01 DOI: 10.21099/tkbjm/1541559651
Tatsumasa Ura
{"title":"Constant negative Gaussian curvature tori and their singularities","authors":"Tatsumasa Ura","doi":"10.21099/tkbjm/1541559651","DOIUrl":"https://doi.org/10.21099/tkbjm/1541559651","url":null,"abstract":"","PeriodicalId":44321,"journal":{"name":"Tsukuba Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2018-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46572940","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: 2
Associated binomial inversion for unified Stirling numbers and counting subspaces generated by subsets of a root system 统一Stirling数的关联二项式反演和根系统子集生成的子空间计数
IF 0.7
Tsukuba Journal of Mathematics Pub Date : 2018-07-01 DOI: 10.21099/tkbjm/1541559652
T. Kamiyoshi, M. Nagura, Shin-ichi Otani
{"title":"Associated binomial inversion for unified Stirling numbers and counting subspaces generated by subsets of a root system","authors":"T. Kamiyoshi, M. Nagura, Shin-ichi Otani","doi":"10.21099/tkbjm/1541559652","DOIUrl":"https://doi.org/10.21099/tkbjm/1541559652","url":null,"abstract":"","PeriodicalId":44321,"journal":{"name":"Tsukuba Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2018-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.21099/tkbjm/1541559652","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48562991","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
On an analog of the Arakawa-Kaneko zeta function and relations of some multiple zeta values 关于Arakawa-Kaneko zeta函数的类比及若干多个zeta值的关系
IF 0.7
Tsukuba Journal of Mathematics Pub Date : 2018-03-30 DOI: 10.21099/TKBJM/1554170425
Ryo Umezawa
{"title":"On an analog of the Arakawa-Kaneko zeta function and relations of some multiple zeta values","authors":"Ryo Umezawa","doi":"10.21099/TKBJM/1554170425","DOIUrl":"https://doi.org/10.21099/TKBJM/1554170425","url":null,"abstract":"T. Ito defined an analog of the Arakawa-Kaneko zeta function to obtain relations among Mordell-Tornheim multiple zeta values. In this paper, we develop two things related to an analog of the Arakawa-Kaneko zeta function. One is to find an analog of the Arakawa-Kaneko zeta function of Miyagawa-type (defined by T. Miyagawa) and to obtain a relation among Miyagawa-type MZVs. The other is to find a class of zeta functions to which Ito's zeta functions of the case of general index are related.","PeriodicalId":44321,"journal":{"name":"Tsukuba Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2018-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41473239","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: 3
An indecomposable continuum as subpower Higson corona 一个不可分解的连续体，如次幂希格森电晕
IF 0.7
Tsukuba Journal of Mathematics Pub Date : 2018-03-01 DOI: 10.21099/TKBJM/1554170421
Yutaka Iwamoto
{"title":"An indecomposable continuum as subpower Higson corona","authors":"Yutaka Iwamoto","doi":"10.21099/TKBJM/1554170421","DOIUrl":"https://doi.org/10.21099/TKBJM/1554170421","url":null,"abstract":"In this paper, we study the topological properties of the subpower Higson corona of proper metric spaces and show that the subpower Higson corona of the half open interval with the usual metric is an indecomposable continuum. Some surjective maps from the Higson type coronas onto the Higson type compactifications of the half open interval are also constructed.","PeriodicalId":44321,"journal":{"name":"Tsukuba Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2018-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43922957","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: 2
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