An estimate for the volume entropy of nonpositively curved graph-manifolds

@article{Buyalo2002AnEF,
  title={An estimate for the volume entropy of nonpositively curved graph-manifolds},
  author={Sergei Buyalo},
  journal={St Petersburg Mathematical Journal},
  year={2002},
  volume={15},
  pages={41-47}
}
  • Sergei Buyalo
  • Published 2002
  • Mathematics
  • St Petersburg Mathematical Journal
  • 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. 

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