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Creators/Authors contains: "Lebedeva, Nina"

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  1. ; (, Journal of Topology and Analysis)
    We show that metric trees and their products meet the octahedron comparison, which is a certain six-point metric comparison similar to Alexandrov’s CAT(0) comparison. 
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    Free, publicly-accessible full text available October 1, 2026
  2. ; (, Geometry & Topology)
    Full Text Available 
  3. ; (, International Mathematics Research Notices)
    We give an if-and-only-if condition on five-point metric spaces that admit isometric embeddings into complete nonnegatively curved Riemannian manifolds. 
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    Full Text Available 
  4. ; (, Analysis and Geometry in Metric Spaces)
    Abstract We give another proof of Toyoda’s theorem that describes 5-point subspaces in CAT(0) length spaces. 
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    Full Text Available