Super-exponential 2-dimensional Dehn functions
arXiv:0902.0082
Abstract
We produce examples of groups of type F_3 with 2-dimensional Dehn functions of the form exp^n(x) (a tower of exponentials of height n), where n is any natural number.
Final version: 45 pages, 19 color figures, incorporates referee's comments; to appear in Groups, Geometry, and Dynamics