Length averages for codimension one foliations

Fuente: arXiv
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Autori principali: Asaoka, Masayuki, Nakano, Yushi, Varandas, Paulo, Yokoyama, Tomoo
Natura: Preprint
Pubblicazione: 2024
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author Asaoka, Masayuki
Nakano, Yushi
Varandas, Paulo
Yokoyama, Tomoo
author_facet Asaoka, Masayuki
Nakano, Yushi
Varandas, Paulo
Yokoyama, Tomoo
contents In this paper we study geometrical and dynamical properties of codimension one foliations, by exploring a relation between length averages and ball averages of certain group actions. We introduce a new mechanism, which relies on the group structure itself, to obtain irregular behavior of ball averages for certain non-amenable group actions. Several geometric realization results show that any such groups can appear connected with the topology of leaves which are connected sums of plugs with a special geometry, namely nearly equidistant boundary components. This is used to produce the first examples of codimension one $\mathcal C^\infty$ regular foliations on a compact Riemannian manifold $M$ for which the length average of some continuous function does not exist on a non-empty open subset of $M$.
format Preprint
id arxiv_https___arxiv_org_abs_2411_02106
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Length averages for codimension one foliations
Asaoka, Masayuki
Nakano, Yushi
Varandas, Paulo
Yokoyama, Tomoo
Dynamical Systems
Geometric Topology
In this paper we study geometrical and dynamical properties of codimension one foliations, by exploring a relation between length averages and ball averages of certain group actions. We introduce a new mechanism, which relies on the group structure itself, to obtain irregular behavior of ball averages for certain non-amenable group actions. Several geometric realization results show that any such groups can appear connected with the topology of leaves which are connected sums of plugs with a special geometry, namely nearly equidistant boundary components. This is used to produce the first examples of codimension one $\mathcal C^\infty$ regular foliations on a compact Riemannian manifold $M$ for which the length average of some continuous function does not exist on a non-empty open subset of $M$.
title Length averages for codimension one foliations
topic Dynamical Systems
Geometric Topology
url https://arxiv.org/abs/2411.02106