On the Schröder equation and iterative sequences of C r diffeomorphisms in \({\mathbb{R}^{N}}\) space Marek Cezary Zdun OriginalPaper Open access 30 May 2012 Pages: 1 - 15
The existence of (2 × c, λ) grid-block designs with \({c\in \{3, 4, 5\}}\) and λ ≥ 1 Jie Yan OriginalPaper 22 May 2012 Pages: 17 - 33
Functional equations for vector products and quaternions Balázs NyulGábor Nyul OriginalPaper 04 March 2012 Pages: 35 - 39
Ball and spindle convexity with respect to a convex body Zsolt LángiMárton NaszódiIstván Talata OriginalPaper 19 September 2012 Pages: 41 - 67
Functional definitions for q-analogues of Eulerian functions and applications Ahmad El-GuindyZeinab Mansour OriginalPaper 28 June 2012 Pages: 69 - 110
The properties of functional inclusions and Hyers–Ulam stability Magdalena Piszczek OriginalPaper Open access 22 February 2012 Pages: 111 - 118
Structural results on convexity relative to cost functions Flavia-Corina MitroiDaniel Alexandru Ion OriginalPaper 18 April 2012 Pages: 119 - 130
An alternative Cauchy functional equation on a semigroup Valeriĭ A. FaĭzievRobert C. PowersPrasanna K. Sahoo OriginalPaper 11 May 2012 Pages: 131 - 163
On a problem of T. Szostok on functions with monotonic differences Marcin Balcerowski OriginalPaper 04 August 2012 Pages: 165 - 167
On solutions of the d’Alembert equation on a restricted domain Anna BahyryczJanusz Brzdȩk OriginalPaper Open access 13 November 2012 Pages: 169 - 183
The cogyrolines of Möbius gyrovector spaces are metric but not periodic Oğuzhan DemirelEmine Soytürk Seyrantepe OriginalPaper 16 May 2012 Pages: 185 - 200