1. Geometry of crystal structure with defects. I. Euclidean picture

   • Andrzej Trzesowski

   OriginalPaper Pages: 311 - 333

2. Geometry of crystal structure with defects. II. Non-Euclidean picture

   • Andrzej Trzesowski

   OriginalPaper Pages: 335 - 355

3. Similarity solution and lie symmetry for a coupled nonlinear system

   • A. Roy Chowdhury
   • Arun Ghose
   • Minati Naskar

   OriginalPaper Pages: 357 - 363

4. Group-theoretic approach to the conservation laws of the KP equation in lagrangian and Hamiltonian formalism

   • A. Roy Chowdhury
   • Swapna Roy

   OriginalPaper Pages: 365 - 374

5. Nonlinear wave equations, covariant exterior derivative, Painlevé test, and integrability

   • W. -H. Steeb
   • J. A. Louw
   • A. Bringer

   OriginalPaper Pages: 375 - 385

6. Cosmological transition periods

   • Ronald Gautreau

   OriginalPaper Pages: 387 - 394

7. Short-time evolution of nonlinear Klein-Gordon systems

   • C. Guha-Roy
   • B. Bagchi
   • D. K. Sinha

   OriginalPaper Pages: 395 - 399

8. Curvature calculations with GEOCALC

   • A. Moussiaux
   • Ph. Tombal

   OriginalPaper Pages: 401 - 406