On flat manifold bundles and the connectivity of Haefliger's classifying spaces

Fuente: arXiv
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Main Author: Nariman, Sam
Format: Preprint
Published: 2022
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author Nariman, Sam
author_facet Nariman, Sam
contents We investigate a conjecture due to Haefliger and Thurston in the context of foliated manifold bundles. In this context, Haefliger-Thurston's conjecture predicts that every $M$-bundle over a manifold $B$ where $\text{dim}(B)\leq \text{dim}(M)$ is cobordant to a flat $M$-bundle. In particular, we study the bordism class of flat $M$-bundles over low dimensional manifolds, comparing a finite dimensional Lie group $G$ with $\text{Diff}_0(G)$ and localizing the holonomy of flat M-bundles to be supported in a ball.
format Preprint
id arxiv_https___arxiv_org_abs_2202_00052
institution arXiv
publishDate 2022
record_format arxiv
spellingShingle On flat manifold bundles and the connectivity of Haefliger's classifying spaces
Nariman, Sam
Geometric Topology
Algebraic Topology
Group Theory
57R50, 57R32, 57R52, 57R65, 57R40, 57R19, 53D10, 58D05, 57Q35
We investigate a conjecture due to Haefliger and Thurston in the context of foliated manifold bundles. In this context, Haefliger-Thurston's conjecture predicts that every $M$-bundle over a manifold $B$ where $\text{dim}(B)\leq \text{dim}(M)$ is cobordant to a flat $M$-bundle. In particular, we study the bordism class of flat $M$-bundles over low dimensional manifolds, comparing a finite dimensional Lie group $G$ with $\text{Diff}_0(G)$ and localizing the holonomy of flat M-bundles to be supported in a ball.
title On flat manifold bundles and the connectivity of Haefliger's classifying spaces
topic Geometric Topology
Algebraic Topology
Group Theory
57R50, 57R32, 57R52, 57R65, 57R40, 57R19, 53D10, 58D05, 57Q35
url https://arxiv.org/abs/2202.00052