1. Stratification of GL₊(2, ℝ) by topological classes) by topological classes

   • M. C. de Oliveira

   OriginalPaper Pages: 1 - 9

2. Region of motion for a gravitational system with negative total energy

   • Ras B. Patnaik

   OriginalPaper Pages: 11 - 23

3. Some applications of the law of large numbers

   • Jerome A. Goldstein

   OriginalPaper Pages: 25 - 38

4. Wave front sets, fourier integrals and propagation of singularities

   • Fernando Cardoso

   OriginalPaper Pages: 39 - 52

5. A characterization of complete subfields of a complete valuated field

   • Gervasio G. Bastos

   OriginalPaper Pages: 53 - 56

6. Weak solutions of a modified kdV equation

   • Manuel Milla Miranda

   OriginalPaper Pages: 57 - 63

7. Galerkin methods applied to the Benjamin-Bona-Mahony equation

   • M. A. Raupp

   OriginalPaper Pages: 65 - 77