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Note on class number parity of an abelian field of prime conductor, II 本源导体阿贝尔场的类数奇偶性注记，2
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2019-03-01 DOI: 10.2996/kmj/1552982508
H. Ichimura
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引用次数: 3
Families of $K3$ surfaces and curves of (2,3)-torus type $K3$曲面族和（2,3）-环面型曲线
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2019-02-06 DOI: 10.2996/kmj/1572487224
Makiko Mase
{"title":"Families of $K3$ surfaces and curves of (2,3)-torus type","authors":"Makiko Mase","doi":"10.2996/kmj/1572487224","DOIUrl":"https://doi.org/10.2996/kmj/1572487224","url":null,"abstract":"We study families of $K3$ surfaces obtained by double covering of the projective plane branching along curves of $(2,3)$-torus type. In the first part, we study the Picard lattices of the families, and a lattice duality of them. In the second part, we describe a deformation of singularities of Gorenstein $K3$ surfaces in these families.","PeriodicalId":54747,"journal":{"name":"Kodai Mathematical Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2019-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48030635","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
An infinite sequence of ideal hyperbolic Coxeter 4-polytopes and Perron numbers 理想双曲Coxeter 4-多面体和Perron数的无穷数列
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2019-01-01 DOI: 10.2996/KMJ/1562032833
Tomoshige Yukita
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引用次数: 0
Geometric polarized log Hodge structures with a base of log rank one 以对数阶1为底的几何极化原木Hodge结构
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2018-11-20 DOI: 10.2996/kmj/1584345688
T. Fujisawa, Chikara Nakayama
{"title":"Geometric polarized log Hodge structures with a base of log rank one","authors":"T. Fujisawa, Chikara Nakayama","doi":"10.2996/kmj/1584345688","DOIUrl":"https://doi.org/10.2996/kmj/1584345688","url":null,"abstract":"We prove that a projective vertical exact log smooth morphism of fs log analytic spaces with a base of log rank one yields polarized log Hodge structures in the canonical way.","PeriodicalId":54747,"journal":{"name":"Kodai Mathematical Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2018-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46370108","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: 3
The gamma filtrations for the spin groups 自旋群的伽玛滤波
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2018-11-17 DOI: 10.2996/kmj44109
N. Yagita
{"title":"The gamma filtrations for the spin groups","authors":"N. Yagita","doi":"10.2996/kmj44109","DOIUrl":"https://doi.org/10.2996/kmj44109","url":null,"abstract":"Let $G$ be a compact Lie group and $T$ its maximal torus. In this paper, we try to compute $gr_{gamma}^*(G/T)$ the graded ring associated with the gamma filtration of the complex $K$-theory $K^0(G/T)$ for $G=Spin(n)$. In particular, we give a counterexample for a conjecture by Karpenko when $G=Spin(17)$. The arguments for $E_7$ in $S 11$ of the old version were not correct, and they are deleted in this version.","PeriodicalId":54747,"journal":{"name":"Kodai Mathematical Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2018-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47828733","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
A new formula for the spherical growth series of an amalgamated free product of two infinite cyclic groups 两个无限循环群的合并自由积的球面增长级数的一个新公式
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2018-10-01 DOI: 10.2996/KMJ/1540951250
Michihiko Fujii
{"title":"A new formula for the spherical growth series of an amalgamated free product of two infinite cyclic groups","authors":"Michihiko Fujii","doi":"10.2996/KMJ/1540951250","DOIUrl":"https://doi.org/10.2996/KMJ/1540951250","url":null,"abstract":"","PeriodicalId":54747,"journal":{"name":"Kodai Mathematical Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2996/KMJ/1540951250","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47753725","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
Derived category with respect to Gorenstein AC-projective modules 关于Gorenstein AC投影模的导范畴
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2018-10-01 DOI: 10.2996/kmj/1540951255
T. Cao, Zhongkui Liu, Xiaoyan Yang
{"title":"Derived category with respect to Gorenstein AC-projective modules","authors":"T. Cao, Zhongkui Liu, Xiaoyan Yang","doi":"10.2996/kmj/1540951255","DOIUrl":"https://doi.org/10.2996/kmj/1540951255","url":null,"abstract":"","PeriodicalId":54747,"journal":{"name":"Kodai Mathematical Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2996/kmj/1540951255","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47309861","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
Higher Bers maps and Weil-Petersson Teichmüller space 高等Bers映射与Weil-Peterson-Teichmüller空间
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2018-10-01 DOI: 10.2996/kmj/1540951253
Shuan Tang, J. Jin
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引用次数: 2
$q$-series reciprocities and further $pi$-formulae $q$-级数互易性和进一步$pi$-公式
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2018-10-01 DOI: 10.2996/KMJ/1540951251
W. Chu
{"title":"$q$-series reciprocities and further $pi$-formulae","authors":"W. Chu","doi":"10.2996/KMJ/1540951251","DOIUrl":"https://doi.org/10.2996/KMJ/1540951251","url":null,"abstract":"","PeriodicalId":54747,"journal":{"name":"Kodai Mathematical Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2996/KMJ/1540951251","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41542461","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: 10
Energy gaps for $p$-Yang-Mills fields over compact Riemannian manifolds 紧致黎曼流形上$p$-Yang-Mills域的能隙
IF 0.6 4区 数学
Kodai Mathematical Journal Pub Date : 2018-10-01 DOI: 10.2996/KMJ/1540951247
Zhenrong Zhou
{"title":"Energy gaps for $p$-Yang-Mills fields over compact Riemannian manifolds","authors":"Zhenrong Zhou","doi":"10.2996/KMJ/1540951247","DOIUrl":"https://doi.org/10.2996/KMJ/1540951247","url":null,"abstract":"","PeriodicalId":54747,"journal":{"name":"Kodai Mathematical Journal","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2996/KMJ/1540951247","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45824071","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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