1. A Topological Property of the Solution set of an Infinite Horizon, Nonlinear Integrodifferential Inclusion

   • A. Cernea

   OriginalPaper Pages: 185 - 197

2. The Spectrum of Annihilation Plus Orthogonal Creation

   • B. Bodenstorfer

   OriginalPaper Pages: 199 - 207

3. R-ENDOMORPHISMS FIXING ESSENTIAL IDEALS IN NEAR-RINGS

   • A. A. M. Kamal

   OriginalPaper Pages: 209 - 217

4. On the Exponential sum over r-Free Integers

   • A. Balog
   • I. Z. Ruzsa

   OriginalPaper Pages: 219 - 230

5. The Circle Semigroup of a Ring

   • H. Heatherly
   • R. P. Tucci

   OriginalPaper Pages: 231 - 242

6. On β-Classes

   • H. France-Jackson
   • W. G. Leavitt

   OriginalPaper Pages: 243 - 252

7. Fractals and Number Systems in Real Quadratic Number Fields

   • J. M. Thuswaldner

   OriginalPaper Pages: 253 - 269