Curvature bounded below: A definition a la Berg--Nikolaev
Nina Lebedeva - St. Petersburg Department of V.A. Steklov Mathematical Institute, Fontanka 27, 191023, St. Petersburg, Russian Federation (email)
Abstract: We give a new characterization of spaces with nonnegative curvature in the sense of Alexandrov.
Keywords: Alexandrov space, curvature.
Received: August 2010; Revised: September 2010; Available Online: October 2010.