The Effect of a Singular Perturbation to a 1-d Non-Convex Variational Problem
By (author) Markus Lilli
Paperback (Published)
(November 2005)
ISBN: 9783832509286
5.71 x 8.27 inches
Price: $61.00
In stock
Nonconvex variational problems are of importance in modeling problems of microstructures and elasticity. In this book, we consider a $1$-d nonconvex problem and we prove existence of solutions of the corresponding non-elliptic Euler-Lagrange equation by considering the Euler-Lagrange equation of the singular perturbed variational problem and passing to the limit. Under general assumptions on the potential we prove existence of Young-measure solutions. More restrictive conditions on the potential yield classical solutions via a topological method. The singular perturbed problem, which is also of interest for physicists due to the higher gradient surface-energy, is discussed in big detail.
- By (author) Markus Lilli
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