1. Groups whose proper quotients are finite-by-nilpotent

   • Zhirang Zhang

   OriginalPaper Pages: 521 - 530

2. Product representations of group elements

   • A. C. G. Clement

   OriginalPaper Pages: 531 - 538

3. Semigroup identities on units of group algebras

   • J. Z. Gonçalves
   • A. Mandel

   OriginalPaper Pages: 539 - 545

4. Diskriminantenalgebren quadratischer Formen

   • Ulrich Haag

   OriginalPaper Pages: 546 - 554

5. A problem analogous to Artin's conjecture for primitive roots and its applications

   • Leo Murata

   OriginalPaper Pages: 555 - 565

6. On the unramified Kummer extensions of quadratic extensions of the prime cyclotomic number field

   • Norikata Nakagoshi

   OriginalPaper Pages: 566 - 570

7. Über trigonometrische Reihen mit zahlentheoretischen Koeffizienten

   • Lutz Lucht
   • Dieter Wolke

   OriginalPaper Pages: 571 - 580

8. On mean values of Dirichlet polynomials

   • Antal Balog
   • Glyn Harman

   OriginalPaper Pages: 581 - 587

9. The transporter theorem—a new version of the Dynkin class theorem

   • Heinz König

   OriginalPaper Pages: 588 - 596

10. On sequential barrelledness

    • J. C. Ferrando
    • L. M. Sánchez Ruiz

    OriginalPaper Pages: 597 - 605

11. A note on drop property of unbounded sets

    • V. Montesinos

    OriginalPaper Pages: 606 - 608

12. Quojections and finite-dimensional decompositions

    • Giorgio Metafune

    OriginalPaper Pages: 609 - 616

13. Courbe des trisécantes à une courbe elliptique lisse de ℙ₃

    • Fatima Laytimi

    OriginalPaper Pages: 617 - 621

14. A remark on hyperelliptic curves

    • Ziv Ran

    OriginalPaper Pages: 622 - 624