Lytchak, Alexander Max Planck Institute for Mathematics, Max Planck Society;
Caprace_infinity_2010.pdf (Any fulltext), 347KB
Caprace, P.-E., & Lytchak, A. (2010). At infinity of finite-dimensional CAT(0) spaces. Mathematische Annalen, 346(1), 1-21. doi:10.1007/s00208-009-0381-1.