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V. Chepoi- Constant approximation algorithms for embedding graph metrics into trees and outerplanar graphs

G. Niblo - Topological superrigidity

P. Pansu - Metric problems concerning nilpotent groups

S. Rees - Artin groups: automatic structures and geodesics

Y. Vaxes - Diameters, centers, and approximating trees of delta-hyperbolic geodesic spaces and graphs

A. Vdovina - Buildings, expanders and Beauville structures

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