1. Residual finiteness and hopficity of certainHNN extensions

   • S. Andreadakis
   • E. Raptis
   • D. Varsos

   OriginalPaper Pages: 1 - 5

2. On groups with certain lattices of normal subgroups

   • Rolf Brandl

   OriginalPaper Pages: 6 - 11

3. A note on groups with countable automorphism groups

   • Silvana Franciosi
   • Francesco de Giovanni

   OriginalPaper Pages: 12 - 16

4. On free, projective, and strongly flat acts

   • Mati Kilp
   • Ulrich Knauer

   OriginalPaper Pages: 17 - 23

5. Dieg-adische Dichte ternärer quadratischer Formen in Beziehung zur zentralen Picard-Gruppe lokaler Quaternionenordnungen

   • Otto Körner

   OriginalPaper Pages: 24 - 28

6. Über den Steuerbarkeitsbegriff bei nichtlinearen Kontrollsystemen

   • Klaus Wagner

   OriginalPaper Pages: 29 - 40

7. Hypergeometric functions in several variables, arising from connection problems for meromorphic differential equations

   • Werner Balser

   OriginalPaper Pages: 41 - 48

8. On Hahn-Banach extensions for certain operator ideals

   • Eugen Straeuli

   OriginalPaper Pages: 49 - 54

9. Some classes of operators onC(K, E). Extension and applications

   • Fernando Bombal
   • Baltasar Rodriguez-Salinas

   OriginalPaper Pages: 55 - 65

10. An elementary proof of the Eberlein-Šmulian theorem and the Double Limit Criterion

    • Stefan Kremp

    OriginalPaper Pages: 66 - 69

11. On certain echelon spaces

    • Fuensanta Andreu
    • M. Garcia Falset

    OriginalPaper Pages: 70 - 78

12. Integral representations of quermassintegrals and Bonnesen-style inequalities

    • Jürgen Bokowski
    • Erhard Heil

    OriginalPaper Pages: 79 - 89

13. A note on the measurability of convex sets

    • Robert Lang

    OriginalPaper Pages: 90 - 92

14. A classification of unramified double coverings of hyperelliptic Riemann surfaces

    • E. Bujalance

    OriginalPaper Pages: 93 - 96