1. Multiadditive functions satisfying certain functional equations

   • Masaaki Amou

   OriginalPaper 02 January 2019 Pages: 345 - 350

2. Variants on the Berz sublinearity theorem

   • N. H. Bingham
   • A. J. Ostaszewski

   OriginalPaper Open access 16 November 2018 Pages: 351 - 369

3. Characteristic properties of ellipsoids and convex quadrics

   • Valeriu Soltan

   OriginalPaper 18 December 2018 Pages: 371 - 413

4. Weak law of large numbers for iterates of random-valued functions

   • Karol Baron

   OriginalPaper Open access 23 July 2018 Pages: 415 - 423

5. On Fermat Diophantine functional equations, little Picard theorem and beyond

   • Wei Chen
   • Qi Han
   • Jingbo Liu

   OriginalPaper 17 November 2018 Pages: 425 - 432

6. An extension of Matkowski’s and Wardowski’s fixed point theorems with applications to functional equations

   • Deepak Khantwal
   • U. C. Gairola

   OriginalPaper 29 June 2018 Pages: 433 - 443

7. A probabilistic note on the Cauchy functional equation

   • Sergey N. Smirnov

   OriginalPaper 02 July 2018 Pages: 445 - 449

8. Quadratic functions fulfilling an additional condition along hyperbolas or the unit circle

   • Edit Garda-Mátyás

   OriginalPaper 08 September 2018 Pages: 451 - 465

9. Extensions of the sine addition law on groups

   • Henrik Stetkær

   OriginalPaper 21 July 2018 Pages: 467 - 484

10. Continued fraction expansions for the Lambert \(\varvec{W}\) function

    • Cristina B. Corcino
    • Roberto B. Corcino
    • István Mező

    OriginalPaper 03 May 2018 Pages: 485 - 498

11. Correction to: A probabilistic note on the Cauchy functional equation

    • Sergey N. Smirnov

    Correction 08 January 2019 Pages: 499 - 499