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We study asymptotically harmonic manifolds of negative curvature, without any cocompactness or homogeneity assumption. We show that asymptotic harmonicity provides a lot of information on the asymptotic geometry of these spaces: in…

Differential Geometry · Mathematics 2019-07-25 Philippe Castillon , Andrea Sambusetti

Harmonic manifolds of hypergeometric type form a class of non-compact harmonic manifolds that includes rank one symmetric spaces of non-compact type and Damek-Ricci spaces. When normalizing the metric of a harmonic manifold of…

Differential Geometry · Mathematics 2025-09-22 Hiroyasu Satoh

We construct examples of centrally harmonic spaces by generalizing work of Copson and Ruse. We show that these examples are generically not centrally harmonic at other points. We use this construction to exhibit manifolds which are not…

Differential Geometry · Mathematics 2021-06-03 Peter Gilkey , JeongHyeong Park

Let X be a Hadamard manifold and $\Gamma$ a discrete group of isometries of X which contains an axial isometry without invariant flat half plane. We study the behavior of conformal densities on the geometric limit set of $\Gamma$ in order…

Differential Geometry · Mathematics 2007-05-23 Gabriele Link

It is known that the asymptotic density of states of a 2d CFT in an irreducible representation $\rho$ of a finite symmetry group $G$ is proportional to $(\dim\rho)^2$. We show how this statement can be generalized when the symmetry can be…

High Energy Physics - Theory · Physics 2023-05-02 Ying-Hsuan Lin , Masaki Okada , Sahand Seifnashri , Yuji Tachikawa

We establish isosystolic inequalities for a class of manifolds which includes the aspherical manifolds. In particular, we relate the systolic volume of aspherical manifolds first to their minimal entropy, then to the algebraic entropy of…

Differential Geometry · Mathematics 2007-05-23 Stephane Sabourau

In this short note, we consider the question of determining the asymptotics of the volume function near the boundary of the pseudoeffective cone on compact K\"ahler manifolds. We solve the question in a number of cases -- in particular, we…

Algebraic Geometry · Mathematics 2019-05-09 Nicholas McCleerey

We define a geometric quantity for asymptotically hyperbolic manifolds, which we call the volume-renormalized mass. It is essentially a linear combination of the ADM mass surface integral and a renormalization of the volume. We show that…

Differential Geometry · Mathematics 2024-04-29 Mattias Dahl , Klaus Kroencke , Stephen McCormick

For manifolds with a distinguished asymptotically flat end, we prove a density theorem which produces harmonic asymptotics on the distinguished end, while allowing for points of incompleteness (or negative scalar curvature) away from this…

Differential Geometry · Mathematics 2022-11-14 Dan A. Lee , Martin Lesourd , Ryan Unger

The asymptotic volume of the polytope of symmetric stochastic matrices can be determined by asymptotic enumeration techniques as in the case of the Birkhoff polytope. These methods can be extended to polytopes of symmetric stochastic…

Combinatorics · Mathematics 2017-06-19 J. de Jong , R. Wulkenhaar

The authors showed in a preceding paper that in a connected locally harmonic manifold, the volume of a tube of small radius about a regularly parameterized simple arc depends only on the length of the arc and the radius. In this paper, we…

Differential Geometry · Mathematics 2017-07-25 Balázs Csikós , Márton Horváth

Some Stein manifolds (with a volume form) have a large group of (volume-preserving) automorphisms: this is formalized by the (volume) density property, which has remarkable consequences. Until now all known manifolds with the volume density…

Complex Variables · Mathematics 2016-02-26 Alexandre Ramos-Peon

Given an integer homology class of a finitely presentable group, the systolic volume quantifies how tight could be a geometric realization of this class. In this paper, we study various aspects of this numerical invariant showing that it is…

Differential Geometry · Mathematics 2015-05-27 Ivan K. Babenko , Florent Balacheff

In this note we show that a compact asymptotically harmonic manifold without focal points is either flat or a rank one locally symmetric space.

Differential Geometry · Mathematics 2011-10-07 Andrew M. Zimmer

We prove matching asymptotic lower and upper bounds on the variances of the intrinsic volumes and the number of $k$-faces of $d$-dimensional random beta-polytopes. Using Stein's methods, we establish central limit theorems for the intrinsic…

Metric Geometry · Mathematics 2025-12-04 Ferenc Fodor , Balázs Grünfelder

We prove the existence of manifolds with almost maximal volume entropy which are not hyperbolic.

Differential Geometry · Mathematics 2017-03-01 Viktor Schroeder , Hemangi Shah

We investigate the asymptotic density of error-correcting codes with good distance properties and prescribed linearity degree, including sublinear and nonlinear codes. We focus on the general setting of finite translation-invariant metric…

Information Theory · Computer Science 2023-06-06 Anina Gruica , Anna-Lena Horlemann , Alberto Ravagnani , Nadja Willenborg

We show that noncompact simply connected harmonic manifolds with volume density $\Theta_{p}(r) =\sinh ^{n-1} r$ is isometric to the real hyperbolic space and noncompact simply connected K\"{a}hler harmonic manifold with volume density…

dg-ga · Mathematics 2008-02-03 K. Ramachandran , Akhil Ranjan

We use Busemann functions to construct volume preserving mappings in an asymptotically harmonic manifold. If the asymptotically harmonic manifold satisfies the visibility condition, we construct mappings which preserve distances in some…

Differential Geometry · Mathematics 2022-06-28 Sinhwi Kim , JeongHyeong Park

We characterize symmetric spaces of non-positive curvature by the equality case of general inequalities between geometric quantities

Dynamical Systems · Mathematics 2011-10-04 Francois Ledrappier
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