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Related papers: Some cusp-transitive hyperbolic 4-manifolds

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We realize every closed flat 3-manifold as a cusp section of a complete, finite-volume hyperbolic 4-manifold whose symmetry group acts transitively on the set of cusps. Moreover, for every such 3-manifold, a dense subset of its flat metrics…

Geometric Topology · Mathematics 2026-04-08 Jacopo Guoyi Chen , Edoardo Rizzi

We show that all closed flat n-manifolds are diffeomorphic to a cusp cross-section in a finite volume hyperbolic (n+1)-orbifold.

Geometric Topology · Mathematics 2014-10-01 D. D. Long , A. W. Reid

There are six orientable, compact, flat 3-manifolds that can occur as cusp cross-sections of hyperbolic 4-manifolds. This paper provides criteria for exactly when a given commensurability class of arithmetic hyperbolic 4-manifolds contains…

Geometric Topology · Mathematics 2023-11-15 Connor Sell

Let $M$ be a cusped finite-volume hyperbolic three-manifold with isometry group $G$. Then $G$ induces a $k$-transitive action by permutation on the cusps of $M$ for some integer $k\ge 0$. Generically $G$ is trivial and $k=0$, but $k>0$ does…

Geometric Topology · Mathematics 2020-03-04 Roger Vogeler

In this paper, we study multiply transitive actions of the group of isometries of a cusped finite-volume hyperbolic 3-manifold on the set of its cusps. In particular, we prove a conjecture of Vogeler that there is a largest $k$ for which…

Geometric Topology · Mathematics 2019-12-10 John G. Ratcliffe , Steven T. Tschantz

We introduce a simple algorithm which transforms every four-dimensional cubulation into a cusped finite-volume hyperbolic four-manifold. Combinatorially distinct cubulations give rise to topologically distinct manifolds. Using this…

Geometric Topology · Mathematics 2013-10-24 Alexander Kolpakov , Bruno Martelli

For X = R, C, or H it is well known that cusp cross-sections of finite volume X-hyperbolic (n+1)-orbifolds are flat n-orbifolds or almost flat orbifolds modelled on the (2n+1)-dimensional Heisenberg group N_{2n+1} or the (4n+3)-dimensional…

Geometric Topology · Mathematics 2014-10-01 D. B. McReynolds

In this paper, we describe all the hyperbolic 24-cell 4-manifolds with exactly one cusp. There are four of these manifolds up to isometry. These manifolds are the first examples of one-cusped hyperbolic 4-manifolds of minimum volume.

Geometric Topology · Mathematics 2020-04-17 John G. Ratcliffe , Steven T. Tschantz

We establish necessary and sufficient conditions for determining when a flat manifold can occur as a cusp cross-section within a given commensurability class of cusped arithmetic hyperbolic manifolds. This reduces the problem of identifying…

Geometric Topology · Mathematics 2025-09-17 Duncan McCoy , Connor Sell

We classify the complete hyperbolic 3-manifolds admitting a maximal cusp of volume at most 2.62. We use this to show that the figure-8 knot complement is the unique 1-cusped hyperbolic 3-manifold with nine or more non-hyperbolic fillings;…

Geometric Topology · Mathematics 2021-09-30 David Gabai , Robert Haraway , Robert Meyerhoff , Nathaniel Thurston , Andrew Yarmola

We construct here two new examples of non-orientable, non-compact, hyperbolic 4-manifolds. The first has minimal volume $v_m = 4{\pi}^2/3$ and two cusps. This example has the lowest number of cusps among known minimal volume hyperbolic…

Geometric Topology · Mathematics 2015-07-14 Leone Slavich

We classify the orientable finite-volume hyperbolic 3-manifolds having non-empty compact totally geodesic boundary and admitting an ideal triangulation with at most four tetrahedra. We also compute the volume of all such manifolds, we…

Geometric Topology · Mathematics 2011-09-06 Roberto Frigerio , Bruno Martelli , Carlo Petronio

Although every flat manifold occurs as a cusp cross-section in at least one commensurability class of arithmetic hyperbolic manifolds, it turns out that some flat manifolds have the property that they occur as cusp cross-sections in…

Geometric Topology · Mathematics 2025-10-31 Duncan McCoy , Connor Sell

We build a non-compact, orientable, hyperbolic four-manifold of finite volume that does not admit any spin structure.

Geometric Topology · Mathematics 2026-04-28 Stefano Riolo , Edoardo Rizzi

In this article, we prove that the commensurability class of a closed, orientable, hyperbolic 3-manifold is determined by the surface subgroups of its fundamental group. Moreover, we prove that there can be only finitely many closed,…

Geometric Topology · Mathematics 2018-05-16 D. B. McReynolds , A. W. Reid

D. D. Long and A. W. Reid have shown that some compact flat 3-manifold cannot be diffeomorphic to a cusp cross-section of any complete finite volume 1-cusped real hyperbolic 4-manifold. This note concerns the complex hyperbolic case. We…

Algebraic Topology · Mathematics 2007-05-23 Yoshinobu Kamishima

We develop a way of seeing a complete orientable hyperbolic $4$-manifold $\mathcal{M}$ as an orbifold cover of a Coxeter polytope $\mathcal{P} \subset \mathbb{H}^4$ that has a facet colouring. We also develop a way of finding totally…

Geometric Topology · Mathematics 2020-10-12 Alexander Kolpakov , Leone Slavich

We prove that non-compact finite volume hyperbolic 3-manifolds that satisfy a mild cohomological condition (infinitesimal rigidity) admit a family of properly convex deformations of their complete hyperbolic structure where the ends become…

Geometric Topology · Mathematics 2020-12-02 Samuel A Ballas

We show that the isometry group of a finite-volume hyperbolic 3-manifold acts simply transitively on many of its closed geodesics. Combining this observation with the Virtual Special Theorems of the first author and Wise, we show that every…

Geometric Topology · Mathematics 2024-09-16 Ian Agol , Tam Cheetham-West , Yair Minsky

We classify all closed non-orientable $\mathbb{P}^2$-irreducible 3-manifolds obtained by identifying the faces of a cube. These turn out to be the closed non-orientable $\mathbb{P}^2$-irreducible 3-manifolds with surface-complexity one. We…

Geometric Topology · Mathematics 2025-01-03 Gennaro Amendola
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