Werner Ballmann

2 books

Lectures on Spaces of Nonpositive Curvature by Werner Ballmann

Lectures on Spaces of Nonpositive Curvature

Oberwolfach Seminars

Werner Ballmann

120 pages • missing pub info (editions)

nonfiction mathematics informative medium-paced
Manifolds of Nonpositive Curvature by Viktor Schroeder, Misha Gromov, Werner Ballmann

Manifolds of Nonpositive Curvature

Progress in Mathematics

Viktor Schroeder, Misha Gromov, Werner Ballmann

266 pages • missing pub info (editions)

nonfiction mathematics medium-paced