Nonpositive curvature: geometric and analytic aspects
Jürgen Jost
Discusses various geometric and analytic aspects of non-positive curvature, starting with Riemannian examples and rigidity theorems. Treats generalized notions of nonpositive curvature in the sense of Alexandrov and Busemann & the theory of harmonic maps with values in such spaces. Paper.
Ссылка удалена правообладателем
----
The book removed at the request of the copyright holder.