1. Symmetry-breaking at non-positive solutions of semilinear elliptic equations

   • Reiner Lauterbach
   • Stanislaus Maier

   OriginalPaper Pages: 299 - 331

2. Global weak solutions to initial-boundary-value problems for the one-dimensional quasilinear wave equation with large data

   • Andreas Heidrich

   OriginalPaper Pages: 333 - 368

3. On periodic motions of lattices of Toda type via critical point theory

   • B. Ruf
   • P. N. Srikanth

   OriginalPaper Pages: 369 - 385

4. The characterization of configurational forces

   • Morton E. Gurtin

   OriginalPaper Pages: 387 - 394