Extrinsic versus intrinsic diameter for Riemannian filling-discs and van Kampen diagrams
The diameter of a disc filling a loop in the universal covering of a Riemannian manifold may be measured extrinsically using the distance function on the ambient space or intrinsically using the induced length metric on the disc. Correspondingly, the diameter of a van Kampen diagram filling a word t...
| Main Authors: | , |
|---|---|
| Format: | Journal article |
| Udgivet: |
2005
|