In this book the authors give a coherent account of some of the ways in which mathematics can both give insight into viscous flows and suggest analogies and implications for other branches of applied mathematics.

Preface; 1. Modelling a viscous fluid; 2. Boundary layers; 3. Slow viscous flow; 4. Thin films; 5. Spatial and temporal complexity; Appendix A: a brief introduction to asymptotics; Appendix B: uses of group theory; References; Index.