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arXiv 2409.15469math.GTmath.DG
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$(m+3)$维$m$-旋转$3$流形的多截面

Multisections of $(m+3)$-dimensional $m$-spun $3$-manifolds

Rudy Dissler

AI总结:

本文将4维旋转流形概念推广至任意维度,为任意$m$构造了$m+3$维$m$-旋转3流形的多截面及多截面图,提供了所有维度下多截面流形的实例,并给出无穷多非微分同胚多截面流形的实例。

摘要:

$(n+1)$维流形的多截面(或$n$-截面)是该流形分解为$n$个$n+1$维$1$-柄体,所有柄体沿闭曲面相交,且任意$k$个柄体子集沿$(n-k+2)$维$1$-柄体相交。此概念由Ben Aribi、Courte、Golla和Moussard提出,将Heegaard分裂及Gay和Kirby的三截面推广至任意维度。若$n \leq 4$,任何$(n+1)$流形均存在多截面,但$n \geq 5$时尚无一般性存在结果。本文提供各类维度下多截面流形的实例。将$4$维旋转流形概念推广至任意维度,并为任意$m$构造维数为$m+3$的$m$-旋转$3$流形类的多截面及其相关多截面图。由此,在所有维度中给出无穷多非微分同胚多截面流形的实例。

英文摘要:

A multisection, or $n$-section, of an $(n + 1)$-dimensional manifold is a decomposition of this manifold into $n$ $1$-handlebodies of dimension $n+1$, such that all these handlebodies intersect along a closed surface, and every subcollection of $k$ handlebodies intersects along an $(n - k + 2)$-dimensional $1$-handlebody. This concept, due to Ben Aribi, Courte, Golla and Moussard, generalizes to any dimension Heegaard splittings and Gay and Kirby's trisections. If any $(n+1)$-manifold admits a multisection for $n \leq 4$, there are yet no general existence results for $n \geq 5$. In this article, we provide a class of examples of multisected manifolds in all dimensions. We extend the concept of $4$-dimensional spun manifolds to any dimension, and construct multisections and their associated multisection diagrams for the class of $m$-spun $3$-manifolds, of dimension $m+3$, for any $m$. This allows us to give infinitely many examples of non-diffeomorphic multisected manifolds, in all dimensions.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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