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Kyoto Journal of Mathematics最新文献

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On Artin’s conjecture for CM elliptic curves 关于CM椭圆曲线的Artin猜想
IF 0.6 4区 数学
Kyoto Journal of Mathematics Pub Date : 2020-12-01 DOI: 10.1215/21562261-2019-0064
Cristian Virdol
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引用次数: 0
Nondecay of the energy for a system of semilinear wave equations 半线性波动方程系统能量的不衰减
IF 0.6 4区 数学
Kyoto Journal of Mathematics Pub Date : 2020-11-13 DOI: 10.1215/21562261-10428437
Y. Nishii
{"title":"Nondecay of the energy for a system of semilinear wave equations","authors":"Y. Nishii","doi":"10.1215/21562261-10428437","DOIUrl":"https://doi.org/10.1215/21562261-10428437","url":null,"abstract":"We consider the global Cauchy problem for a two-component system of cubic semilinear wave equations in two space dimensions. We give a criterion for large time non-decay of the energy for small amplitude solutions in terms of the radiation fields associated with the initial data.","PeriodicalId":49149,"journal":{"name":"Kyoto Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2020-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47369809","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
Systoles and diameters of hyperbolic surfaces 双曲面的收缩和直径
IF 0.6 4区 数学
Kyoto Journal of Mathematics Pub Date : 2020-11-06 DOI: 10.1215/21562261-2022-0040
F. Balacheff, V. Despr'e, H. Parlier
{"title":"Systoles and diameters of hyperbolic surfaces","authors":"F. Balacheff, V. Despr'e, H. Parlier","doi":"10.1215/21562261-2022-0040","DOIUrl":"https://doi.org/10.1215/21562261-2022-0040","url":null,"abstract":"In this article we explore the relationship between the systole and the diameter of closed hyperbolic orientable surfaces. We show that they satisfy a certain inequality, which can be used to deduce that their ratio has a (genus dependent) upper bound.","PeriodicalId":49149,"journal":{"name":"Kyoto Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2020-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47952695","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
Limiting mixed Hodge structures on the relative log de Rham cohomology groups of a projective semistable log smooth degeneration 投影半稳定对数光滑退化的相对log-de-Ram上同调群上的极限混合Hodge结构
IF 0.6 4区 数学
Kyoto Journal of Mathematics Pub Date : 2020-11-02 DOI: 10.1215/21562261-10607345
T. Fujisawa
{"title":"Limiting mixed Hodge structures on the relative log de Rham cohomology groups of a projective semistable log smooth degeneration","authors":"T. Fujisawa","doi":"10.1215/21562261-10607345","DOIUrl":"https://doi.org/10.1215/21562261-10607345","url":null,"abstract":"We prove that the relative log de Rham cohomology groups of a projective semistable log smooth degeneration admit a natural textit{limiting} mixed Hodge structure. More precisely, we construct a family of increasing filtrations and a family of nilpotent endomorphisms on the relative log de Rham cohomology groups and show that they satisfy a part of good properties of a nilpotnet orbit in several variables.","PeriodicalId":49149,"journal":{"name":"Kyoto Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42936399","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
Symplectic birational transformations of finite order on O’Grady’s sixfolds O’Grady六折叠上有限阶的辛双能变换
IF 0.6 4区 数学
Kyoto Journal of Mathematics Pub Date : 2020-09-04 DOI: 10.1215/21562261-10577928
Annalisa Grossi, C. Onorati, Davide Cesare Veniani
{"title":"Symplectic birational transformations of finite order on O’Grady’s sixfolds","authors":"Annalisa Grossi, C. Onorati, Davide Cesare Veniani","doi":"10.1215/21562261-10577928","DOIUrl":"https://doi.org/10.1215/21562261-10577928","url":null,"abstract":"We prove that any symplectic automorphism of finite order on a manifold of type OG6 acts trivially on the Beauville--Bogomolov--Fujiki lattice and that any birational transformation of finite order acts trivially on its discriminant group. Moreover, we classify all possible invariant and coinvariant sublattices.","PeriodicalId":49149,"journal":{"name":"Kyoto Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2020-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45718202","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: 8
Une généralisation du théorème de Liouville effectif pour les variétés projectives 对射影流形有效刘维尔定理的推广
IF 0.6 4区 数学
Kyoto Journal of Mathematics Pub Date : 2020-09-01 DOI: 10.1215/21562261-2019-0073
François Ballaÿ
{"title":"Une généralisation du théorème de Liouville effectif pour les variétés projectives","authors":"François Ballaÿ","doi":"10.1215/21562261-2019-0073","DOIUrl":"https://doi.org/10.1215/21562261-2019-0073","url":null,"abstract":"Résumé On démontre un analogue du théorème de Liouville effectif valable pour des points fermés sur une variété projective définie sur un corps de nombres. Ce résultat est une version effective d’un théorème récent de McKinnon et Roth. Une partie importante de cet article est consacrée à la démonstration d’une version effective d’un cas particulier d’un théorème remarquable de géométrie diophantienne dû à Faltings et Wüstholz. Combiné à de nouvelles comparaisons explicites entre l’évaluation d’une section d’un fibré en droites et une fonction distance donnée, ce résultat entraîne le théorème principal. Nous présentons également une autre approche, en montrant comment rendre effectifs les arguments de McKinnon et Roth. Ces deux points de vue conduisent à des versions distinctes du théorème principal, fournissant des majorations différentes de la hauteur des points satisfaisant une inégalité analogue à celle du théorème de Liouville classique. Abstract We prove an effective analogue of Liouville’s theorem for closed points on an arbitrary projective variety defined over a number field. Our result can be interpreted as an effective version of a recent theorem proved by McKinnon and Roth. A central part of the paper is dedicated to giving an effective proof of a particular case of a powerful theorem in diophantine geometry proved by Faltings and Wüstholz. This result, combined with new explicit comparisons between evaluation of sections of a line bundle and a given distance function, leads to the expected theorem. We also deal with another approach, showing how to make the arguments of McKinnon and Roth effective. These two points of view lead to distinct versions of our main result, giving different upper bounds for the height of points satisfying a Liouville type inequality.","PeriodicalId":49149,"journal":{"name":"Kyoto Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47660245","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
L2 proof of Nishino’s rigidity theorem Nishino刚性定理的L2证明
IF 0.6 4区 数学
Kyoto Journal of Mathematics Pub Date : 2020-09-01 DOI: 10.1215/21562261-2019-0055
T. Ohsawa
{"title":"L2 proof of Nishino’s rigidity theorem","authors":"T. Ohsawa","doi":"10.1215/21562261-2019-0055","DOIUrl":"https://doi.org/10.1215/21562261-2019-0055","url":null,"abstract":"","PeriodicalId":49149,"journal":{"name":"Kyoto Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47250404","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
C 0 -sequentially equicontinuous semigroups C0-序等连续半群
IF 0.6 4区 数学
Kyoto Journal of Mathematics Pub Date : 2020-09-01 DOI: 10.1215/21562261-2019-0010
S. Federico, M. Rosestolato
{"title":"C 0 -sequentially equicontinuous semigroups","authors":"S. Federico, M. Rosestolato","doi":"10.1215/21562261-2019-0010","DOIUrl":"https://doi.org/10.1215/21562261-2019-0010","url":null,"abstract":"","PeriodicalId":49149,"journal":{"name":"Kyoto Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43901145","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: 7
Ck-regularity for ∂¯-equations for a class of convex domains of infinite type in C2 C2中一类无限型凸域的∂¯方程的ck -正则性
IF 0.6 4区 数学
Kyoto Journal of Mathematics Pub Date : 2020-06-01 DOI: 10.1215/21562261-2019-0072
L. Ha
{"title":"Ck-regularity for ∂¯-equations for a class of convex domains of infinite type in C2","authors":"L. Ha","doi":"10.1215/21562261-2019-0072","DOIUrl":"https://doi.org/10.1215/21562261-2019-0072","url":null,"abstract":"","PeriodicalId":49149,"journal":{"name":"Kyoto Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46565774","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
Boundedness of maximal operator for multilinear Calderón–Zygmund operators on products of variable Hardy spaces 多元线性Calderón–Zygmund算子在变Hardy空间乘积上的极大算子的有界性
IF 0.6 4区 数学
Kyoto Journal of Mathematics Pub Date : 2020-06-01 DOI: 10.1215/21562261-2019-0043
J. Tan
{"title":"Boundedness of maximal operator for multilinear Calderón–Zygmund operators on products of variable Hardy spaces","authors":"J. Tan","doi":"10.1215/21562261-2019-0043","DOIUrl":"https://doi.org/10.1215/21562261-2019-0043","url":null,"abstract":"","PeriodicalId":49149,"journal":{"name":"Kyoto Journal of Mathematics","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49535507","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: 5
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