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May 28, 2015 at 18:36 vote accept Gerardo Arizmendi
May 27, 2015 at 21:55 comment added john mangual Is Helly's selection theorem an infinite dimensional version of this? Same guy
May 27, 2015 at 20:16 comment added Joseph O'Rourke Supplementing Benjamin's comment: Ivanov, Sergei. "On Helly's theorem in geodesic spaces." arXiv:1401.6654 (2014).
May 27, 2015 at 20:06 answer added Joseph O'Rourke timeline score: 5
May 27, 2015 at 20:03 comment added Benjamin Steinberg The Helly property for cat(0) cube complexes is used in geometric group theory
May 27, 2015 at 19:27 answer added Carlo Beenakker timeline score: 8
May 27, 2015 at 19:12 answer added Sergei timeline score: 6
May 27, 2015 at 18:34 history asked Gerardo Arizmendi CC BY-SA 3.0