An estimate for the volume entropy of nonpositively curved graph manifolds

Abstract

Let M be a closed 3-dimensional graph manifold. We prove that h(g)>1 for each geometrization g of M, where h(g) is the topological entropy of geodesic flow of g.

arXiv comment9 pages

References in corpus (1)

• 3-manifolds with(out) metrics of nonpositive curvature