141 citations · 555 across the 57 of their papers we have counts for
Showing 2020 · math.MGShow all
2 papers · 2 filters
math.MG2020★ 4 cited
5-point CAT(0) spaces after Tetsu Toyoda
Nina Lebedeva, Anton Petrunin
We give another proof of Toyoda's theorem that describes 5-point subpaces in CAT(0) length spaces
math.MG2020★ 9 cited
Pure metric geometry: introductory lectures
Anton Petrunin
We discuss domestic affairs of metric spaces, keeping away from any extra structure. Topics include universal spaces, injective spaces, Hausdorff and Gromov--Hausdorff convergences…