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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
Locally homogeneous -Riemannian manifolds
Nina Lebedeva, Artem Nepechiy
We show that locally homogeneous -Riemannian manifolds are smooth.