1. Spin waves, vortices, and the structure of equilibrium states in the classicalXY model

   • Jürg Fröhlich
   • Charles-Edouard Pfister

   OriginalPaper Pages: 303 - 327

2. An adiabatic theorem applicable to the stark effect

   • E. B. Davies

   OriginalPaper Pages: 329 - 339

3. Fermions without spinors

   • I. M. Benn
   • R. W. Tucker

   OriginalPaper Pages: 341 - 362

4. On perturbation theory for regularized determinants of differential operators

   • R. E. Gamboa-Saraví
   • M. A. Muschietti
   • J. E. Solomin

   OriginalPaper Pages: 363 - 373

5. On the energy spectrum and parameter spaces of classicalCP ⁿ models

   • R. Catenacci
   • M. Cornalba
   • C. Reina

   OriginalPaper Pages: 375 - 386

6. Symmetries of cosmological Cauchy horizons

   • Vincent Moncrief
   • James Isenberg

   OriginalPaper Pages: 387 - 413

7. The rotation number for finite difference operators and its properties

   • F. Delyon
   • B. Souillard

   OriginalPaper Pages: 415 - 426

8. Nonlinear Schrödinger equations and simple Lie algebras

   • Allan P. Fordy
   • Peter P. Kulish

   OriginalPaper Pages: 427 - 443