Table of Contents:
  • Dehn Functions and Non-Positive Curvature
  • The Isoperimetric Spectrum
  • Dehn Functions of Subgroups of CAT(0) Groups
  • Filling Functions
  • Filling Functions
  • Relationships Between Filling Functions
  • Example: Nilpotent Groups
  • Asymptotic Cones
  • Diagrams and Groups
  • Dehn’s Problems and Cayley Graphs
  • Van Kampen Diagrams and Pictures
  • Small Cancellation Conditions
  • Isoperimetric Inequalities and Quasi-Isometries
  • Free Nilpotent Groups
  • Hyperbolic-by-free groups.