Table of contents : Front Matter....Pages i-xiii Introduction....Pages 1-3 Dimensional Analysis, Modelling, and Invariance....Pages 4-30 Lie Groups of Transformations and Infinitesimal Transformations....Pages 31-89 Ordinary Differential Equations....Pages 90-162 Partial Differential Equations....Pages 163-251 Noether’s Theorem and Lie-Bäcklund Symmetries....Pages 252-301 Construction of Mappings Relating Differential Equations....Pages 302-351 Potential Symmetries....Pages 352-383 Back Matter....Pages 384-413