Concepedia

Werner Ballmann

WB

22

Publications

1K

Citations

17

H-Index

1981

Active since

Affiliations

Max Planck Society(Current)

Max Planck Institute for Mathematics

University of Maryland, College Park

University of Bonn

Werner Ballmann is an author at Max Planck Society specializing in geometry, spectral theory, and engineering.

Top concepts

GeometryEngineeringSpectral TheoryDiscrete GeometryEducationGeometric Group TheoryEntropyGeodesyMechanicsArt History

Publications per year

1981–2017

22

Publications

22

Nonpositively Curved Manifolds of Higher Rank

Werner Ballmann · Annals of Mathematics · 1985 · 149 citations

Curved Manifolds, Geometry, Riemannian Geometry +2

On L2-cohomology and Property (T) for Automorphism Groups of Polyhedral Cell Complexes

Werner Ballmann, Jacek Świątkowski · Geometric and Functional Analysis · 1997 · 124 citations

Automorphic Form, Polyhedral Cell Complexes, Automorphism Groups

Closed Geodesics on Positively Curved Manifolds

Werner Ballmann, Gudlaugur Thorbergsson, Wolfgang Ziller · Annals of Mathematics · 1982 · 101 citations

Global Geometry, Geometry, Riemannian Geometry +2

Structure of Manifolds of Nonpositive Curvature. I

Werner Ballmann, Misha Brin, Patrick Eberlein · Annals of Mathematics · 1985 · 99 citations

Global Geometry, Geometry, Riemannian Geometry +2

Existence of closed geodesics on positively curved manifolds

Werner Ballmann, Gudlaugur Thorbergsson, Wolfgang Ziller · Journal of Differential Geometry · 1983 · 64 citations · Full text

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