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| Main Author: | |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2509.26117 |
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Table of Contents:
- Let $N$ be a manifold of dimension $m$ with a flat vector bundle given by a representation $ρ:π_1(N) \rightarrow \mathrm{GL}(n, \mathbf{R})$ where $π_1(N)$ is finitely generated. The holonomy group $ρ$ is a $k$-partially hyperbolic holonomy representation if the flat bundle pulled back over the unit tangent bundle of a sufficiently large compact submanifold of $N$ splits into expanding, neutral, and contracting subbundles along the geodesic flow, where the expanding and contracting subbundles are $k$-dimensional with $k < n/2$. Suppose that each element of $ρ(π_1(N))$ has an eigenvalue of norm $1$, or, alternatively, $ρ$ has some singular values of subexponential growth in terms of word length. We show that $ρ$ is a $P$-Anosov representation for a parabolic subgroup $P$ of $\mathrm{GL}(n, \mathbf{R})$ if and only if $ρ$ is a partially hyperbolic representation. We are going to primarily employ representation theory techniques. As an application, we will show that the equivalence holds when $N$ is a complete affine $n$-manifold, and $ρ$ is a linear part of the holonomy representation. This had never been done over the full general linear group.