3 citations · 3 across the 1 of their papers we have counts for
2 papers
math.DG2012
Area growth and rigidity of surfaces without conjugate points
Victor Bangert, Patrick Emmerich
We prove flatness of complete Riemannian planes and cylinders without conjugate points under optimal conditions on the area growth.
math.DG2010★ 3 cited
On the flatness of Riemannian cylinders without conjugate points
Victor Bangert, Patrick Emmerich
What are appropriate geometric conditions ensuring that a complete Riemannian 2-cylinder without conjugate points is flat? Examples with nonpositive curvature show that one has to…