Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques最新文献

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A TRACIAL CHARACTERIZATION OF FURSTENBERG’S CONJECTURE FURSTENBERG猜想的一个迹刻画
IF 0.6 4区 数学
Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques Pub Date : 2023-04-10 DOI: 10.4153/s0008439523000693
Chris Bruce, Eduardo Scarparo
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引用次数: 0
A note on the smooth blow-ups of in torus-invariant subvarieties 关于环面不变子变量的光滑膨胀的注记
IF 0.6 4区 数学
Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques Pub Date : 2023-03-29 DOI: 10.4153/s0008439523000231
Daniel Cavey
{"title":"A note on the smooth blow-ups of in torus-invariant subvarieties","authors":"Daniel Cavey","doi":"10.4153/s0008439523000231","DOIUrl":"https://doi.org/10.4153/s0008439523000231","url":null,"abstract":"","PeriodicalId":55280,"journal":{"name":"Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48750162","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
Mean value of real Dirichlet characters using a double Dirichlet series 使用双狄利克雷级数的实狄利克雷特征的均值
IF 0.6 4区 数学
Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques Pub Date : 2023-03-22 DOI: 10.4153/s000843952300022x
Martin Čech
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引用次数: 1
On homogeneity of Cantor cubes 关于康托立方体的齐次性
4区 数学
Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques Pub Date : 2023-02-28 DOI: 10.4153/s0008439523000188
E. SHCHEPIN, V. VALOV
{"title":"On homogeneity of Cantor cubes","authors":"E. SHCHEPIN, V. VALOV","doi":"10.4153/s0008439523000188","DOIUrl":"https://doi.org/10.4153/s0008439523000188","url":null,"abstract":"Abstract We discuss the question of extending homeomorphisms between closed subsets of the Cantor cube $D^{tau }$ . It is established that any homeomorphism between two closed negligible subsets of $D^{tau }$ can be extended to an autohomeomorphism of $D^{tau }$ .","PeriodicalId":55280,"journal":{"name":"Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135583087","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
MAXIMAL OPERATORS ON BMO AND SLICES BMO和切片上的极大算子
IF 0.6 4区 数学
Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques Pub Date : 2023-02-27 DOI: 10.4153/s000843952300053x
S. Shaabani
{"title":"MAXIMAL OPERATORS ON BMO AND SLICES","authors":"S. Shaabani","doi":"10.4153/s000843952300053x","DOIUrl":"https://doi.org/10.4153/s000843952300053x","url":null,"abstract":"We prove that the Hardy-Littlewood maximal operator is discontinuous on $bmorn$ and maps $vmorn$ to itself. A counterexample to boundedness of the strong and directional maximal operators on $bmorn$ is given, and properties of slices of $bmorn$ functions are discussed.","PeriodicalId":55280,"journal":{"name":"Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49239679","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
BCM volume 66 issue 1 Cover and Front matter BCM 66卷第1期封面和封面
IF 0.6 4区 数学
Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques Pub Date : 2023-02-27 DOI: 10.4153/s0008439523000127
J. Mashreghi, K. Bringmann, Matteo Tamiozzo
{"title":"BCM volume 66 issue 1 Cover and Front matter","authors":"J. Mashreghi, K. Bringmann, Matteo Tamiozzo","doi":"10.4153/s0008439523000127","DOIUrl":"https://doi.org/10.4153/s0008439523000127","url":null,"abstract":"","PeriodicalId":55280,"journal":{"name":"Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41484506","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
BCM volume 66 issue 1 Cover and Back matter BCM第66卷第1期封面和封底
IF 0.6 4区 数学
Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques Pub Date : 2023-02-27 DOI: 10.4153/s0008439523000139
{"title":"BCM volume 66 issue 1 Cover and Back matter","authors":"","doi":"10.4153/s0008439523000139","DOIUrl":"https://doi.org/10.4153/s0008439523000139","url":null,"abstract":"","PeriodicalId":55280,"journal":{"name":"Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45236924","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
New characterizations of the unit vector basis of or 或的单位向量基的新表征
IF 0.6 4区 数学
Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques Pub Date : 2023-02-21 DOI: 10.4153/s0008439523000176
P. Casazza, S. Dilworth, D. Kutzarova, P. Motakis
{"title":"New characterizations of the unit vector basis of or","authors":"P. Casazza, S. Dilworth, D. Kutzarova, P. Motakis","doi":"10.4153/s0008439523000176","DOIUrl":"https://doi.org/10.4153/s0008439523000176","url":null,"abstract":"","PeriodicalId":55280,"journal":{"name":"Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43034671","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
Fourier transformable measures with weak Meyer set support and their lift to the cut-and-project scheme 弱Meyer集支持的傅里叶变换测度及其对切割-工程方案的提升
IF 0.6 4区 数学
Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques Pub Date : 2023-02-17 DOI: 10.4153/S0008439523000164
Nicolae Strungaru
{"title":"Fourier transformable measures with weak Meyer set support and their lift to the cut-and-project scheme","authors":"Nicolae Strungaru","doi":"10.4153/S0008439523000164","DOIUrl":"https://doi.org/10.4153/S0008439523000164","url":null,"abstract":"Abstract In this paper, we prove that given a cut-and-project scheme \u0000$(G, H, mathcal {L})$\u0000 and a compact window \u0000$W subseteq H$\u0000 , the natural projection gives a bijection between the Fourier transformable measures on \u0000$G times H$\u0000 supported inside the strip \u0000${mathcal L} cap (G times W)$\u0000 and the Fourier transformable measures on G supported inside \u0000${LARGE curlywedge }(W)$\u0000 . We provide a closed formula relating the Fourier transform of the original measure and the Fourier transform of the projection. We show that this formula can be used to re-derive some known results about Fourier analysis of measures with weak Meyer set support.","PeriodicalId":55280,"journal":{"name":"Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43774674","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
LANDAU-TYPE THEOREMS FOR CERTAIN BOUNDED BI-ANALYTIC FUNCTIONS AND BIHARMONIC MAPPINGS 某些有界双分析函数和双调和映射的LANDAU-型定理
IF 0.6 4区 数学
Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques Pub Date : 2023-02-15 DOI: 10.4153/s0008439523000577
Ming-Sheng Liu, S. Ponnusamy
{"title":"LANDAU-TYPE THEOREMS FOR CERTAIN BOUNDED BI-ANALYTIC FUNCTIONS AND BIHARMONIC MAPPINGS","authors":"Ming-Sheng Liu, S. Ponnusamy","doi":"10.4153/s0008439523000577","DOIUrl":"https://doi.org/10.4153/s0008439523000577","url":null,"abstract":"In this paper, we establish three new versions of Landau-type theorems for bounded bi-analytic functions of the form $F(z)=bar{z}G(z)+H(z)$, where $G$ and $H$ are analytic in the unit disk $|z|<1$ with $G(0)=H(0)=0$ and $H'(0)=1$. In particular, two of them are sharp while the other one either generalizes or improves the corresponding result of Abdulhadi and Hajj. As consequences, several new sharp versions of Landau-type theorems for certain subclasses of bounded biharmonic mappings are proved.","PeriodicalId":55280,"journal":{"name":"Canadian Mathematical Bulletin-Bulletin Canadien De Mathematiques","volume":null,"pages":null},"PeriodicalIF":0.6,"publicationDate":"2023-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46810851","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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