线性化Legendrian接触同调中的扭转

IF 0.3 4区 数学 Q4 MATHEMATICS
R. Golovko
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引用次数: 1

摘要

在这个简短的注释中,我们讨论了勒让德子流形的某些例子,其在整数上的线性勒让德接触(co)同调群具有非消失代数扭。更确切地说,对于给定的任意有限生成阿贝尔群$G$和正整数$n\geq3$,$n\neq4$,我们构造了标准接触向量空间$\mathbb R^{2n+1}$的勒让德子流形的例子,其在$\mathbbZ$上关于某个增广计算的第$n-1$个线性化勒让德接触(co)同调同构于$G$。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
On Torsion in Linearized Legendrian Contact Homology
In this short note we discuss certain examples of Legendrian submanifolds, whose linearized Legendrian contact (co)homology groups over integers have non-vanishing algebraic torsion. More precisely, for a given arbitrary finitely generated abelian group $G$ and a positive integer $n\geq 3$, $n\neq 4$, we construct examples of Legendrian submanifolds of the standard contact vector space $\mathbb R^{2n+1}$, whose $n-1$-th linearized Legendrian contact (co)homology over $\mathbb Z$ computed with respect to a certain augmentation is isomorphic to $G$.
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来源期刊
CiteScore
0.80
自引率
40.00%
发文量
127
审稿时长
4-8 weeks
期刊介绍: This Journal is intended as a forum for new developments in knot theory, particularly developments that create connections between knot theory and other aspects of mathematics and natural science. Our stance is interdisciplinary due to the nature of the subject. Knot theory as a core mathematical discipline is subject to many forms of generalization (virtual knots and links, higher-dimensional knots, knots and links in other manifolds, non-spherical knots, recursive systems analogous to knotting). Knots live in a wider mathematical framework (classification of three and higher dimensional manifolds, statistical mechanics and quantum theory, quantum groups, combinatorics of Gauss codes, combinatorics, algorithms and computational complexity, category theory and categorification of topological and algebraic structures, algebraic topology, topological quantum field theories). Papers that will be published include: -new research in the theory of knots and links, and their applications; -new research in related fields; -tutorial and review papers. With this Journal, we hope to serve well researchers in knot theory and related areas of topology, researchers using knot theory in their work, and scientists interested in becoming informed about current work in the theory of knots and its ramifications.
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