Generalized Dehn Functions I

Details Generalized Dehn Functions I Generalized Dehn Functions I

2009-01-15

arxiv.org/abs/0901.2303v1

Mathematics

Group Theory

19 pages

Scientific paper

Let X be a finite CW complex or compact Lipschitz neighborhood retract with universal cover Z; let M be a compact orientable manifold of dimension at least 2 and nonempty boundary. We establish the existence of an isoperimetric profile for functions from M to Z, in the metric and cellular senses, and show that they are equivalent up to scaling factors when X is a triangulated CLNR (for example a triangulated Riemannian manifold). This seems to be most interesting when X is highly connected, but this is not required. We also show that two finite complexes X and Y have the same profiles up to scaling given the existence of a sufficiently connected map between them.

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