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Infinitely many arithmetic alternating links 无穷多个算术交替链接
3区 数学
Algebraic and Geometric Topology Pub Date : 2023-09-07 DOI: 10.2140/agt.2023.23.2857
Mark D Baker, Alan W Reid
{"title":"Infinitely many arithmetic alternating links","authors":"Mark D Baker, Alan W Reid","doi":"10.2140/agt.2023.23.2857","DOIUrl":"https://doi.org/10.2140/agt.2023.23.2857","url":null,"abstract":"We prove the existence of infinitely many alternating links in S3 whose complements are arithmetic.","PeriodicalId":50826,"journal":{"name":"Algebraic and Geometric Topology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135096602","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
Bifiltrations and persistence paths for 2–Morse functions 2-Morse函数的分岔和持久路径
3区 数学
Algebraic and Geometric Topology Pub Date : 2023-09-07 DOI: 10.2140/agt.2023.23.2895
Ryan Budney, Tomasz Kaczynski
{"title":"Bifiltrations and persistence paths for 2–Morse functions","authors":"Ryan Budney, Tomasz Kaczynski","doi":"10.2140/agt.2023.23.2895","DOIUrl":"https://doi.org/10.2140/agt.2023.23.2895","url":null,"abstract":"This paper studies the homotopy-type of bi-filtrations of compact manifolds induced as the pre-image of filtrations of the plane for generic smooth functions f : M --> R^2. The primary goal of the paper is to allow for a simple description of the multi-graded persistent homology associated to such filtrations. The main result of the paper is a description of the evolution of the bi-filtration of f in terms of cellular attachments. An analogy of Morse-Conley equation and Morse inequalities along so called persistence paths are derived. A scheme for computing path-wise barcodes is proposed.","PeriodicalId":50826,"journal":{"name":"Algebraic and Geometric Topology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136365013","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: 6
A mnemonic for the Lipshitz–Ozsváth–Thurston correspondence Lipshitz-Ozsváth-Thurston对应的助记符
3区 数学
Algebraic and Geometric Topology Pub Date : 2023-09-07 DOI: 10.2140/agt.2023.23.2519
Artem Kotelskiy, Liam Watson, Claudius Zibrowius
{"title":"A mnemonic for the Lipshitz–Ozsváth–Thurston correspondence","authors":"Artem Kotelskiy, Liam Watson, Claudius Zibrowius","doi":"10.2140/agt.2023.23.2519","DOIUrl":"https://doi.org/10.2140/agt.2023.23.2519","url":null,"abstract":"When $mathbf{k}$ is a field, type D structures over the algebra $mathbf{k}[u,v]/(uv)$ are equivalent to immersed curves decorated with local systems in the twice-punctured disk. Consequently, knot Floer homology, as a type D structure over $mathbf{k}[u,v]/(uv)$, can be viewed as a set of immersed curves. With this observation as a starting point, given a knot $K$ in $S^3$, we realize the immersed curve invariant $widehat{mathit{HF}}(S^3 setminus mathring{nu}(K))$ [arXiv:1604.03466] by converting the twice-punctured disk to a once-punctured torus via a handle attachment. This recovers a result of Lipshitz, Ozsvath, and Thurston [arXiv:0810.0687] calculating the bordered invariant of $S^3 setminus mathring{nu}(K)$ in terms of the knot Floer homology of $K$.","PeriodicalId":50826,"journal":{"name":"Algebraic and Geometric Topology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136364060","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: 5
Weave-realizability for D–type d型编织可实现性
3区 数学
Algebraic and Geometric Topology Pub Date : 2023-09-07 DOI: 10.2140/agt.2023.23.2735
James Hughes
{"title":"Weave-realizability for D–type","authors":"James Hughes","doi":"10.2140/agt.2023.23.2735","DOIUrl":"https://doi.org/10.2140/agt.2023.23.2735","url":null,"abstract":"We study exact Lagrangian fillings of Legendrian links of $D_n$-type in the standard contact 3-sphere. The main result is the existence of a Lagrangian filling, represented by a weave, such that any algebraic quiver mutation of the associated intersection quiver can be realized as a geometric weave mutation. The method of proof is via Legendrian weave calculus and a construction of appropriate 1-cycles whose geometric intersections realize the required algebraic intersection numbers. In particular, we show that in $D$-type, each cluster chart of the moduli of microlocal rank-1 sheaves is induced by at least one embedded exact Lagrangian filling. Hence, the Legendrian links of $D_n$-type have at least as many Hamiltonian isotopy classes of Lagrangian fillings as cluster seeds in the $D_n$-type cluster algebra, and their geometric exchange graph for Lagrangian disk surgeries contains the cluster exchange graph of $D_n$-type.","PeriodicalId":50826,"journal":{"name":"Algebraic and Geometric Topology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136364061","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: 5
Classification of torus bundles that bound rational homology circles 约束有理同调圆的环面束的分类
3区 数学
Algebraic and Geometric Topology Pub Date : 2023-09-07 DOI: 10.2140/agt.2023.23.2449
Jonathan Simone
{"title":"Classification of torus bundles that bound rational homology circles","authors":"Jonathan Simone","doi":"10.2140/agt.2023.23.2449","DOIUrl":"https://doi.org/10.2140/agt.2023.23.2449","url":null,"abstract":"In this article, we completely classify torus bundles over the circle that bound 4-manifolds with the rational homology of the circle. Along the way, we classify certain integral surgeries along chain links that bound rational homology balls and explore a connection to 3-braid closures whose double branched covers bound rational homology 4-balls.","PeriodicalId":50826,"journal":{"name":"Algebraic and Geometric Topology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136365007","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: 6
A uniqueness theorem for transitive Anosov flows obtained by gluing hyperbolic plugs 粘接双曲塞得到传递ansov流的唯一性定理
3区 数学
Algebraic and Geometric Topology Pub Date : 2023-09-07 DOI: 10.2140/agt.2023.23.2673
Francois Beguin, Bin Yu
{"title":"A uniqueness theorem for transitive Anosov flows obtained by gluing hyperbolic plugs","authors":"Francois Beguin, Bin Yu","doi":"10.2140/agt.2023.23.2673","DOIUrl":"https://doi.org/10.2140/agt.2023.23.2673","url":null,"abstract":"In a previous paper with C. Bonatti ([5]), we have defined a general procedure to build new examples of Anosov flows in dimension 3. The procedure consists in gluing together some building blocks, called hyperbolic plugs, along their boundary in order to obtain a closed 3-manifold endowed with a complete flow. The main theorem of [5] states that (under some mild hypotheses) it is possible to choose the gluing maps so the resulting flow is Anosov. The aim of the present paper is to show a uniqueness result for Anosov flows obtained by such a procedure. Roughly speaking, we show that the orbital equivalence class of these Anosov flows is insensitive to the precise choice of the gluing maps used in the construction. The proof relies on a coding procedure which we find interesting for its own sake, and follows a strategy that was introduced by T. Barbot in a particular case.","PeriodicalId":50826,"journal":{"name":"Algebraic and Geometric Topology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136364072","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: 3
Pseudo-Anosov homeomorphisms of punctured nonorientable surfaces with small stretch factor 小拉伸因子刺破的非定向曲面的伪anosov同胚
3区 数学
Algebraic and Geometric Topology Pub Date : 2023-09-07 DOI: 10.2140/agt.2023.23.2823
Sayantan Khan, Caleb Partin, Rebecca R. Winarski
{"title":"Pseudo-Anosov homeomorphisms of punctured nonorientable surfaces with small stretch factor","authors":"Sayantan Khan, Caleb Partin, Rebecca R. Winarski","doi":"10.2140/agt.2023.23.2823","DOIUrl":"https://doi.org/10.2140/agt.2023.23.2823","url":null,"abstract":"We prove that in the non-orientable setting, the minimal stretch factor of a pseudo-Anosov homeomorphism of a surface of genus $g$ with a fixed number of punctures is asymptotically on the order of $frac{1}{g}$. Our result adapts the work of Yazdi to non-orientable surfaces. We include the details of Thurston's theory of fibered faces for non-orientable 3-manifolds.","PeriodicalId":50826,"journal":{"name":"Algebraic and Geometric Topology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136365010","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
Mapping class groups of surfaces with noncompact boundary components 用非紧边界分量映射曲面的类群
3区 数学
Algebraic and Geometric Topology Pub Date : 2023-09-07 DOI: 10.2140/agt.2023.23.2777
Ryan Dickmann
{"title":"Mapping class groups of surfaces with noncompact boundary components","authors":"Ryan Dickmann","doi":"10.2140/agt.2023.23.2777","DOIUrl":"https://doi.org/10.2140/agt.2023.23.2777","url":null,"abstract":"We show that the pure mapping class group is uniformly perfect for a certain class of infinite type surfaces with noncompact boundary components. We then combine this result with recent work in the remaining cases to give a complete classification of the perfect and uniformly perfect pure mapping class groups for infinite type surfaces. We also develop a method to cut a general surface into simpler surfaces and extend some mapping class group results to the general case.","PeriodicalId":50826,"journal":{"name":"Algebraic and Geometric Topology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136365008","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: 3
Unchaining surgery, branched covers, and pencils on elliptic surfaces 解链手术，分支封面，椭圆表面上的铅笔
3区 数学
Algebraic and Geometric Topology Pub Date : 2023-09-07 DOI: 10.2140/agt.2023.23.2867
Terry Fuller
{"title":"Unchaining surgery, branched covers, and pencils on elliptic surfaces","authors":"Terry Fuller","doi":"10.2140/agt.2023.23.2867","DOIUrl":"https://doi.org/10.2140/agt.2023.23.2867","url":null,"abstract":"We show that every member of an infinite family of symplectic manifolds constructed by R. Inanc Baykur, Kenta Hayano, and Naoyuki Monden (arXiv:1903:02906) is diffeomorphic to an elliptic surface. As a result: (1) the symplectic Calabi-Yau 4-manifolds among their family are diffeomorphic to the standard K3 surface; (2) each elliptic surface E(n) admits a genus g Lefschetz pencil, for all g greater than or equal to n; and (3) each elliptic surface E(n) blown up once admits a pair of inequivalent genus g Lefschetz pencils, for all g greater than or equal to n.","PeriodicalId":50826,"journal":{"name":"Algebraic and Geometric Topology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136365011","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
An algorithmic definition of Gabai width Gabai宽度的算法定义
3区 数学
Algebraic and Geometric Topology Pub Date : 2023-09-07 DOI: 10.2140/agt.2023.23.2415
Ricky Lee
{"title":"An algorithmic definition of Gabai width","authors":"Ricky Lee","doi":"10.2140/agt.2023.23.2415","DOIUrl":"https://doi.org/10.2140/agt.2023.23.2415","url":null,"abstract":"We define the Wirtinger width of a knot. Then we prove the Wirtinger width of a knot equals its Gabai width. The algorithmic nature of the Wirtinger width leads to an efficient technique for establishing upper bounds on Gabai width. As an application, we use this technique to calculate the Gabai width of approximately 50000 tabulated knots.","PeriodicalId":50826,"journal":{"name":"Algebraic and Geometric Topology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136365006","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
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