1. On two functional equations with involution on groups related to sine and cosine functions

   • Allison M. Perkins
   • Prasanna K. Sahoo

   OriginalPaper 09 October 2014 Pages: 1251 - 1263

2. On a variant of μ-Wilson’s functional equation on a locally compact group

   • D. Zeglami
   • B. Fadli
   • S. Kabbaj

   OriginalPaper 20 February 2015 Pages: 1265 - 1280

3. A classification of barycentrically associative polynomial functions

   • Jean-Luc Marichal
   • Pierre Mathonet
   • Jörg Tomaschek

   OriginalPaper 04 January 2015 Pages: 1281 - 1291

4. Cauchy’s functional equation and extensions: Goldie’s equation and inequality, the Gołąb–Schinzel equation and Beurling’s equation

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

   OriginalPaper 22 May 2015 Pages: 1293 - 1310

5. Hyperbolicity in the corona and join of graphs

   • Walter Carballosa
   • José M. Rodríguez
   • José M. Sigarreta

   OriginalPaper 23 December 2014 Pages: 1311 - 1327

6. Characterizations of Pareto distribution by the assumption of identical distributions on upper record values

   • Min-Young Lee

   OriginalPaper 01 January 2015 Pages: 1329 - 1334

7. On Montel and Montel–Popoviciu theorems in several variables

   • A. G. Aksoy
   • J. M. Almira

   OriginalPaper 01 January 2015 Pages: 1335 - 1357

8. Flat Laguerre planes admitting 4-dimensional groups of automorphisms that fix a parallel class

   • Günter F. Steinke

   OriginalPaper 26 October 2014 Pages: 1359 - 1388

9. Relative convexity and its applications

   • Constantin P. Niculescu
   • Ionel Rovenţa

   OriginalPaper 23 November 2014 Pages: 1389 - 1400