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Some Remarks on the Annihilator Graph of a Commutative Ring 关于交换环的湮灭子图的几点注记
IF 0.5 4区 数学
Hokkaido Mathematical Journal Pub Date : 2020-06-01 DOI: 10.14492/hokmj/1602036028
M. Adlifard, S. Payrovi
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引用次数: 0
Constant mean curvature spacelike hypersurfaces in standard static spaces: rigidity and parabolicity 标准静态空间中的常平均曲率类空间超曲面:刚性和抛物线性
IF 0.5 4区 数学
Hokkaido Mathematical Journal Pub Date : 2020-06-01 DOI: 10.14492/hokmj/1602036027
E. L. Lima, H. F. Lima, Eraldo A. LIMA Jr., A. Medeiros
{"title":"Constant mean curvature spacelike hypersurfaces in standard static spaces: rigidity and parabolicity","authors":"E. L. Lima, H. F. Lima, Eraldo A. LIMA Jr., A. Medeiros","doi":"10.14492/hokmj/1602036027","DOIUrl":"https://doi.org/10.14492/hokmj/1602036027","url":null,"abstract":"","PeriodicalId":55051,"journal":{"name":"Hokkaido Mathematical Journal","volume":"49 1","pages":"297-323"},"PeriodicalIF":0.5,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43160111","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
Eigenvalues and resonances of Dirac operators with dilation analytic potentials diverging at infinity 膨胀解析势在无穷远处发散的狄拉克算子的特征值和共振
IF 0.5 4区 数学
Hokkaido Mathematical Journal Pub Date : 2020-06-01 DOI: 10.14492/hokmj/1602036026
H. Ito
{"title":"Eigenvalues and resonances of Dirac operators with dilation analytic potentials diverging at infinity","authors":"H. Ito","doi":"10.14492/hokmj/1602036026","DOIUrl":"https://doi.org/10.14492/hokmj/1602036026","url":null,"abstract":"","PeriodicalId":55051,"journal":{"name":"Hokkaido Mathematical Journal","volume":" ","pages":""},"PeriodicalIF":0.5,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44428185","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
Note on local properties of the exponents and boundedness of Hardy-Littlewood maximal operator in variable Lebesgue spaces 关于变Lebesgue空间中Hardy-Littlewood极大算子的指数和有界性的局部性质的注记
IF 0.5 4区 数学
Hokkaido Mathematical Journal Pub Date : 2020-06-01 DOI: 10.14492/hokmj/1602036024
T. Kopaliani, Shalva Zviadadze
{"title":"Note on local properties of the exponents and boundedness of Hardy-Littlewood maximal operator in variable Lebesgue spaces","authors":"T. Kopaliani, Shalva Zviadadze","doi":"10.14492/hokmj/1602036024","DOIUrl":"https://doi.org/10.14492/hokmj/1602036024","url":null,"abstract":"","PeriodicalId":55051,"journal":{"name":"Hokkaido Mathematical Journal","volume":"49 1","pages":"215-226"},"PeriodicalIF":0.5,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42923739","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 concurrence theorem for alpha-connections on the space of t-distributions and its application t分布空间上α -连接的并发定理及其应用
IF 0.5 4区 数学
Hokkaido Mathematical Journal Pub Date : 2020-06-01 DOI: 10.14492/hokmj/1602036023
A. Mori
{"title":"A concurrence theorem for alpha-connections on the space of t-distributions and its application","authors":"A. Mori","doi":"10.14492/hokmj/1602036023","DOIUrl":"https://doi.org/10.14492/hokmj/1602036023","url":null,"abstract":"","PeriodicalId":55051,"journal":{"name":"Hokkaido Mathematical Journal","volume":"1 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66754125","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
The ring of modular forms of $mathrm{O}(2,4;mathbb{Z})$ with characters 带字符的$ mathm {O}(2,4;mathbb{Z})$的模形式环
IF 0.5 4区 数学
Hokkaido Mathematical Journal Pub Date : 2020-05-01 DOI: 10.14492/hokmj/2020-355
Atsuhira Nagano, K. Ueda
{"title":"The ring of modular forms of $mathrm{O}(2,4;mathbb{Z})$ with characters","authors":"Atsuhira Nagano, K. Ueda","doi":"10.14492/hokmj/2020-355","DOIUrl":"https://doi.org/10.14492/hokmj/2020-355","url":null,"abstract":"We show that the ring of modular forms with characters for $mathrm{O}(2,4;mathbb{Z})$ is generated by forms of weights 4, 4, 6, 8, 10, 10, 12, and 30 with three relations of weights 8, 20, and 60. The proof is based on the study of a moduli space of K3 surfaces.","PeriodicalId":55051,"journal":{"name":"Hokkaido Mathematical Journal","volume":" ","pages":""},"PeriodicalIF":0.5,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44570053","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
On the Pappus arrangement of lines, forth and back and to the point 关于帕普斯线的排列，前后和到点
IF 0.5 4区 数学
Hokkaido Mathematical Journal Pub Date : 2020-03-29 DOI: 10.14492/hokmj/2021-521
Magdalena Lampa-Baczy'nska, D. W'ojcik
{"title":"On the Pappus arrangement of lines, forth and back and to the point","authors":"Magdalena Lampa-Baczy'nska, D. W'ojcik","doi":"10.14492/hokmj/2021-521","DOIUrl":"https://doi.org/10.14492/hokmj/2021-521","url":null,"abstract":"The purpose of this paper is to study the famous Pappus configuration of $9$ lines and its dual arrangement. We show among others that by applying the Pappus Theorem to the dual arrangement we obtain the configuration corresponding to the initial data of beginning configuration. We consider also the Pappus arrangements with some additional incidences and we establish algebraic conditions paralleling with these incidences.","PeriodicalId":55051,"journal":{"name":"Hokkaido Mathematical Journal","volume":" ","pages":""},"PeriodicalIF":0.5,"publicationDate":"2020-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46777535","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
Fold maps associated to geodesic random walks on non-positively curved manifolds 非正弯曲流形上与测地随机游动相关的折叠映射
IF 0.5 4区 数学
Hokkaido Mathematical Journal Pub Date : 2020-03-16 DOI: 10.14492/hokmj/2020-439
Pablo Lessa, L. Oliveira
{"title":"Fold maps associated to geodesic random walks on non-positively curved manifolds","authors":"Pablo Lessa, L. Oliveira","doi":"10.14492/hokmj/2020-439","DOIUrl":"https://doi.org/10.14492/hokmj/2020-439","url":null,"abstract":"We study a family of mappings from the powers of the unit tangent sphere at a point to a complete Riemannian manifold with non-positive sectional curvature, whose behavior is related to the spherical mean operator and the geodesic random walks on the manifold. \u0000We show that for odd powers of the unit tangent sphere the mappings are fold maps. \u0000Some consequences on the regularity of the transition density of geodesic random walks, and on the eigenfunctions of the spherical mean operator are discussed and related to previous work.","PeriodicalId":55051,"journal":{"name":"Hokkaido Mathematical Journal","volume":"1 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2020-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42400431","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
Uniqueness theorem of meromorphic mappings of a complete Kähler manifold into a projective space 完备Kähler流形到射影空间的亚纯映射的唯一性定理
IF 0.5 4区 数学
Hokkaido Mathematical Journal Pub Date : 2020-02-01 DOI: 10.14492/hokmj/1591085014
Ha Huong Giang
{"title":"Uniqueness theorem of meromorphic mappings of a complete Kähler manifold into a projective space","authors":"Ha Huong Giang","doi":"10.14492/hokmj/1591085014","DOIUrl":"https://doi.org/10.14492/hokmj/1591085014","url":null,"abstract":"","PeriodicalId":55051,"journal":{"name":"Hokkaido Mathematical Journal","volume":"49 1","pages":"109-127"},"PeriodicalIF":0.5,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42473630","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
Rational points of elliptic surfaces and the topology of cubic-line, cubic-conic-line arrangements 椭圆曲面的有理点与三次线、三次圆锥线排列的拓扑
IF 0.5 4区 数学
Hokkaido Mathematical Journal Pub Date : 2020-02-01 DOI: 10.14492/hokmj/1591085013
S. Bannai, H. Tokunaga, Momoko Yamamoto
{"title":"Rational points of elliptic surfaces and the topology of cubic-line, cubic-conic-line arrangements","authors":"S. Bannai, H. Tokunaga, Momoko Yamamoto","doi":"10.14492/hokmj/1591085013","DOIUrl":"https://doi.org/10.14492/hokmj/1591085013","url":null,"abstract":"","PeriodicalId":55051,"journal":{"name":"Hokkaido Mathematical Journal","volume":"49 1","pages":"87-108"},"PeriodicalIF":0.5,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46149245","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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