Journal of Topology and Analysis最新文献

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Simplicial Volume of Closed Locally Homogeneous Riemmannian Manifolds 闭局部齐次黎曼流形的简单体积
IF 0.8 3区 数学
Journal of Topology and Analysis Pub Date : 2022-11-16 DOI: 10.1142/s179352532350022x
P. How
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引用次数: 0
Extending periodic maps on surfaces over the 4-sphere 扩展4球表面上的周期映射
IF 0.8 3区 数学
Journal of Topology and Analysis Pub Date : 2022-10-27 DOI: 10.1142/S1793525322500108
Shicheng Wang, Zhongzi Wang
{"title":"Extending periodic maps on surfaces over the 4-sphere","authors":"Shicheng Wang, Zhongzi Wang","doi":"10.1142/S1793525322500108","DOIUrl":"https://doi.org/10.1142/S1793525322500108","url":null,"abstract":"Let $F_g$ be the closed orientable surface of genus $g$. We address the problem to extend torsion elements of the mapping class group ${mathcal{M}}(F_g)$ over the 4-sphere $S^4$. Let $w_g$ be a torsion element of maximum order in ${mathcal{M}}(F_g)$. Results including: (1) For each $g$, $w_g$ is periodically extendable over $S^4$ for some non-smooth embedding $e: F_gto S^4$, and not periodically extendable over $S^4$ for any smooth embedding $e: F_gto S^4$. (2) For each $g$, $w_g$ is extendable over $S^4$ for some smooth embedding $e: F_gto S^4$ if and only if $g=4k, 4k+3$. (3) Each torsion element of order $p$ in ${mathcal{M}}(F_g)$ is extendable over $S^4$ for some smooth embedding $e: F_gto S^4$ if either (i) $p=3^m$ and $g$ is even; or (ii) $p=5^m$ and $gne 4k+2$; or (iii) $p=7^m$. Moreover the conditions on $g$ in (i) and (ii) can not be removed .","PeriodicalId":49151,"journal":{"name":"Journal of Topology and Analysis","volume":"9 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89519520","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Volumes of fibered 2-fold branched covers of 3-manifolds 纤维的2倍分支覆盖3流形的体积
IF 0.8 3区 数学
Journal of Topology and Analysis Pub Date : 2022-08-05 DOI: 10.1142/s1793525323500322
Susumu Hirose, Efstratia Kalfagianni, E. Kin
{"title":"Volumes of fibered 2-fold branched covers of 3-manifolds","authors":"Susumu Hirose, Efstratia Kalfagianni, E. Kin","doi":"10.1142/s1793525323500322","DOIUrl":"https://doi.org/10.1142/s1793525323500322","url":null,"abstract":"We prove that for any closed, connected, oriented 3-manifold M, there exists an infinite family of 2-fold branched covers of M that are hyperbolic 3-manifolds and surface bundles over the circle with arbitrarily large volume.","PeriodicalId":49151,"journal":{"name":"Journal of Topology and Analysis","volume":"56 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89053575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Algebraic stability theorem for derived categories of zigzag persistence modules 之字形持久模的派生范畴的代数稳定性定理
IF 0.8 3区 数学
Journal of Topology and Analysis Pub Date : 2022-07-01 DOI: 10.1142/s1793525322500091
Y. Hiraoka, Yuichi Ike, M. Yoshiwaki
{"title":"Algebraic stability theorem for derived categories of zigzag persistence modules","authors":"Y. Hiraoka, Yuichi Ike, M. Yoshiwaki","doi":"10.1142/s1793525322500091","DOIUrl":"https://doi.org/10.1142/s1793525322500091","url":null,"abstract":"","PeriodicalId":49151,"journal":{"name":"Journal of Topology and Analysis","volume":"69 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80731947","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Statement of Retraction: The coordinate algebra of a quantum symplectic sphere does not embed into any C*-algebra 可收回声明:量子辛球的坐标代数不嵌入任何C*-代数
IF 0.8 3区 数学
Journal of Topology and Analysis Pub Date : 2022-05-31 DOI: 10.1142/s1793525322930013
{"title":"Statement of Retraction: The coordinate algebra of a quantum symplectic sphere does not embed into any C*-algebra","authors":"","doi":"10.1142/s1793525322930013","DOIUrl":"https://doi.org/10.1142/s1793525322930013","url":null,"abstract":"","PeriodicalId":49151,"journal":{"name":"Journal of Topology and Analysis","volume":"20 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84968565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Ribbon Yetter–Drinfeld modules and tangle invariants 带状叶氏-德林菲尔德模块和缠结不变量
IF 0.8 3区 数学
Journal of Topology and Analysis Pub Date : 2022-04-06 DOI: 10.1142/s179352532350019x
K. Habiro, Yuka Kotorii
{"title":"Ribbon Yetter–Drinfeld modules and tangle invariants","authors":"K. Habiro, Yuka Kotorii","doi":"10.1142/s179352532350019x","DOIUrl":"https://doi.org/10.1142/s179352532350019x","url":null,"abstract":"We define notions of pivotal and ribbon objects in a monoidal category. These constructions give pivotal or ribbon monoidal categories from a monoidal category which is not necessarily with duals. We apply this construction to the braided monoidal category of Yetter--Drinfeld modules over a Hopf algebra. This gives rise to the notion of ribbon Yetter--Drinfeld modules over a Hopf algebra, which form ribbon categories. This gives an invariant of tangles.","PeriodicalId":49151,"journal":{"name":"Journal of Topology and Analysis","volume":"20 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90836087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Linear isoperimetric inequality for homogeneous Hadamard manifolds 齐次Hadamard流形的线性等周不等式
IF 0.8 3区 数学
Journal of Topology and Analysis Pub Date : 2022-03-17 DOI: 10.1142/s1793525323500334
Hjalti Isleifsson
{"title":"Linear isoperimetric inequality for homogeneous Hadamard manifolds","authors":"Hjalti Isleifsson","doi":"10.1142/s1793525323500334","DOIUrl":"https://doi.org/10.1142/s1793525323500334","url":null,"abstract":"It is well known that simply connected symmetric spaces of non-positive sectional curvature admit a linear isoperimetric filling inequality for cycles of dimension greater than or equal to the rank of the space. In this note we extend that result to homogeneous Hadamard manifolds.","PeriodicalId":49151,"journal":{"name":"Journal of Topology and Analysis","volume":"16 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79865581","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Morse–Bott theory on posets and a homological Lusternik–Schnirelmann theorem 关于偏集的Morse-Bott理论和一个同调Lusternik-Schnirelmann定理
IF 0.8 3区 数学
Journal of Topology and Analysis Pub Date : 2021-12-30 DOI: 10.1142/s1793525321500709
D. Fernández-Ternero, E. Macías-Virgós, D. Mosquera-Lois, J. A. Vilches
{"title":"Morse–Bott theory on posets and a homological Lusternik–Schnirelmann theorem","authors":"D. Fernández-Ternero, E. Macías-Virgós, D. Mosquera-Lois, J. A. Vilches","doi":"10.1142/s1793525321500709","DOIUrl":"https://doi.org/10.1142/s1793525321500709","url":null,"abstract":"We develop Morse–Bott theory on posets, generalizing both discrete Morse–Bott theory for regular complexes and Morse theory on posets. Moreover, we prove a Lusternik–Schnirelmann theorem for general matchings on posets, in particular, for Morse–Bott functions.","PeriodicalId":49151,"journal":{"name":"Journal of Topology and Analysis","volume":"26 47","pages":""},"PeriodicalIF":0.8,"publicationDate":"2021-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138495689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Macroscopic scalar curvature and codimension 2 width 宏观标量曲率和余维2宽度
IF 0.8 3区 数学
Journal of Topology and Analysis Pub Date : 2021-12-08 DOI: 10.1142/S1793525323500024
H. Alpert, Alexey Balitskiy, L. Guth
{"title":"Macroscopic scalar curvature and codimension 2 width","authors":"H. Alpert, Alexey Balitskiy, L. Guth","doi":"10.1142/S1793525323500024","DOIUrl":"https://doi.org/10.1142/S1793525323500024","url":null,"abstract":"We show that a complete $3$-dimensional Riemannian manifold $M$ with finitely generated first homology has macroscopic dimension $1$ if it satisfies the following\"macroscopic curvature\"assumptions: every ball of radius $10$ in $M$ has volume at most $4$, and every loop in every ball of radius $1$ in $M$ is null-homologous in the concentric ball of radius $2$.","PeriodicalId":49151,"journal":{"name":"Journal of Topology and Analysis","volume":"42 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2021-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74686550","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
The coordinate algebra of a quantum symplectic sphere does not embed into any C*-algebra 量子辛球的坐标代数不嵌入到任何C*代数中
IF 0.8 3区 数学
Journal of Topology and Analysis Pub Date : 2021-12-02 DOI: 10.1142/s1793525321500655
F. D’Andrea, G. Landi
{"title":"The coordinate algebra of a quantum symplectic sphere does not embed into any C*-algebra","authors":"F. D’Andrea, G. Landi","doi":"10.1142/s1793525321500655","DOIUrl":"https://doi.org/10.1142/s1793525321500655","url":null,"abstract":"In this note, we generalize a result of Mikkelsen–Szymański and show that, for every [Formula: see text], any bounded ∗-representation of the quantum symplectic sphere [Formula: see text] annihilates the first [Formula: see text] generators. We then classify irreducible representations of its coordinate algebra [Formula: see text].","PeriodicalId":49151,"journal":{"name":"Journal of Topology and Analysis","volume":"29 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78111671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
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