In less than 100 pages, this book covers the main vector variational methods developed to solve nonlinear elasticity problems.

Preface; 1. Elastic materials and variational principles; 2. Quasi convexity and young measures; 3. Polyconvexity and existence theorems; 4. Rank-one convexity and microstructure; 5. Technical remarks; Bibliographical comments; Bibliography; Index.