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Flats in Spaces with Convex Geodesic Bicombings

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Descombes D., Lang U.

Analysis and Geometry in Metric Spaces

2016

tom 4

nr 1

In spaces of nonpositive curvature the existence of isometrically embedded flat (hyper)planes is often granted by apparently weaker conditions on large scales.We show that some such results remain valid for metric spaces with non-unique geodesic segments under suitable convexity assumptions on the distance function along distinguished geodesics. The discussion includes, among other things, the Flat Torus Theorem and Gromov’s hyperbolicity criterion referring to embedded planes. This generalizes results of Bowditch for Busemann spaces.

Ograniczanie wyników

1 Analysis and Geometry in Metric Spaces

1 Descombes D.

1 Lang U.

1 2016

Wyniki wyszukiwania

Flats in Spaces with Convex Geodesic Bicombings