arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 0707.3489math.AT
收藏

嵌入函子的导数I:稳定情形

Derivatives of embedding functors I: the stable case

Gregory Arone

摘要:

对于光滑流形$M$和$N$,令$\Ebar(M, N)$是映射$\Emb(M, N)\longrightarrow \Imm(M, N)$的同伦纤维。考虑从欧几里得空间范畴到谱范畴的函子,由公式$V\mapsto Σ^\infty\Ebar(M, N\times V)$定义。本文描述了M意义下该函子的泰勒多项式。Weiss的正交演算,在这种情况下,当$N$是一个很好的开放子流形的欧几里德空间。当$N$是一个驯服的稳定可并行流形(我们认为并行性假设是不必要的)时,这导致了这个函子的导数的描述。我们的构造涉及到一个特定的有根森林空间(或者等价地,一个分区空间),叶子由$M$中的点标记,以及这个树空间上的一个特定的“谱同伦丛”。然后将$n$阶导数描述为该丛的“限制截面谱”。这是一系列两篇论文中的第一篇。在第二部分中,我们将给出函子$\Ebar(M, N\times V)$的衍生物的类似描述,涉及到一个类似的结构与某些空间的连通图(而不是森林)与点标记在$M$。

英文摘要:

For smooth manifolds $M$ and $N$, let $\Ebar(M, N)$ be the homotopy fiber of the map $\Emb(M, N)\longrightarrow \Imm(M, N)$. Consider the functor from the category of Euclidean spaces to the category of spectra, defined by the formula $V\mapsto Σ^\infty\Ebar(M, N\times V)$. In this paper, we describe the Taylor polynomials of this functor, in the sense of M. Weiss' orthogonal calculus, in the case when $N$ is a nice open submanifold of a Euclidean space. This leads to a description of the derivatives of this functor when $N$ is a tame stably parallelizable manifold (we believe that the parallelizability assumption is not essential). Our construction involves a certain space of rooted forests (or, equivalently, a space of partitions) with leaves marked by points in $M$, and a certain ``homotopy bundle of spectra'' over this space of trees. The $n$-th derivative is then described as the ``spectrum of restricted sections'' of this bundle. This is the first in a series of two papers. In the second part, we will give an analogous description of the derivatives of the functor $\Ebar(M, N\times V)$, involving a similar construction with certain spaces of connected graphs (instead of forests) with points marked in $M$.

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。

↑