1. Issue dedicated to alexander M. Ostrowski

   OriginalPaper Pages: 1 - 1

2. On a general principle in geometry that leads to functional equations

   • Walter Benz

   Survey Paper Pages: 3 - 10

3. Orthogonality and additivity modulo a subgroup

   • Karol Baron
   • Jürg Rätz

   Research Papers Pages: 11 - 18

4. The structure of iteration groups of continuous functions

   • Marek Cezary Zdun

   Research Papers Pages: 19 - 37

5. On then-th order iterative ordinary linear differential equations

   • František Neuman

   Research Papers Pages: 38 - 43

6. Definitizable hermitian matrix pencils

   • Peter Lancaster
   • Qiang Ye

   Research Papers Pages: 44 - 55

7. On a generalization of the Cauchy functional equation

   • Janusz Brzdęk

   Research Paper Pages: 56 - 75

8. On generalized cocycle equations

   • B. R. Ebanks
   • C. T. Ng

   Research Papers Pages: 76 - 90

9. On the definition of a probabilistic normed space

   • C. Alsina
   • B. Schweizer
   • A. Sklar

   Research Papers Pages: 91 - 98

10. On a functional equation of Aczél and Chung

    • John A. Baker

    Research Papers Pages: 99 - 111

11. On the Cauchy difference

    • K. Baron
    • Pl. Kannappan

    Research Papers Pages: 112 - 118

12. Eulerian numbers with fractional order parameters

    • P. L. Butzer
    • M. Hauss

    Research Papers Pages: 119 - 142

13. On approximate solutions of the Pexider equation

    • J. Chmieliński
    • J. Tabor

    Research Papers Pages: 143 - 163

14. The local structure of the solutions of the multidimensional translation equation

    • Lothar Berg

    OriginalPaper Pages: 164 - 173

15. A set of orthogonal polynomials induced by a given orthogonal polynomial

    • Walter Gautschi
    • Shikang Li

    OriginalPaper Pages: 174 - 198

16. Problems and solutions

    OriginalPaper Pages: 199 - 199

17. An integral inequality of convolution type

    • W. Walter
    • V. Weckesser

    Summaries Pages: 200 - 200

18. One-parameter system of functional equations

    • Stefania Paganoni Marzegalli

    Summaries Pages: 200 - 201

19. The translation equation on certainn-groups

    • Andrzej Mach

    Summaries Pages: 201 - 201

20. Caractérisation du module d'une fonction additive à l'aide d'une équation fonctionnelle

    • Alice Chaljub-Simon
    • Peter Volkmann

    Summaries Pages: 201 - 202