Exploring the concept of s-convexity Marcia R. Pinheiro Research Papers 14 December 2007 Pages: 201 - 209
On existence of subsemigroups of the group \(L^1_s\) and extensibility of homomorphisms into \(L^1_s\) Wojciech Jabłoński OriginalPaper 14 December 2007 Pages: 219 - 225
The superstability of d’Alembert’s functional equation on step 2 nilpotent groups Ahmed RedouaniElhoucien ElqorachiThemistocles M. Rassias OriginalPaper 14 December 2007 Pages: 226 - 241
The overdeterminedness of a class of functional equations Orr Moshe Shalit OriginalPaper 14 December 2007 Pages: 242 - 248
Alexandrov–Zeeman type theorems expressed in terms of definability Victor Pambuccian OriginalPaper 14 December 2007 Pages: 249 - 261
Homogeneous symmetric means of two variables László Losonczi OriginalPaper 14 December 2007 Pages: 262 - 281
Banach–Mazur distance of planar convex bodies Marek Lassak OriginalPaper 14 December 2007 Pages: 282 - 286
Homomorphisms of the group \(L^1_s\) into the group \(L^1_r\) for r ≤ 3 Wojciech Jabłoński OriginalPaper 14 December 2007 Pages: 287 - 309
Forti’s example of an unstable homomorphism equation Anna Bahyrycz Short Communications 14 December 2007 Pages: 310 - 313
Continuity of solutions of the translation equation Karol BaronWojciech ChojnackiWitold Jarczyk OriginalPaper 14 December 2007 Pages: 314 - 317
A short note concerning solutions of a generalization of the Goła̧b–Schinzel equation Eliza Jabłońska OriginalPaper 14 December 2007 Pages: 318 - 320
