1. On maximum principles in the class of oscillating functions

   • Agnieszka Kałamajska
   • Andrzej Stryjek

   Research paper Pages: 201 - 211

2. Dynamics of the King and Jarratt iterations

   • Sergio Amat
   • Sonia Busquier
   • Sergio Plaza

   Research paper Pages: 212 - 223

3. On a pair of (α, β)-derivations of semiprime rings

   • Muhammad Anwar Chaudhry
   • Allah-Bakhsh Thaheem

   Research paper Pages: 224 - 230

4. Bowen–Franks groups as conjugacy invariants for \(\mathbb{T}^{n} \) -automorphisms

   • Pedro Martins Rodrigues
   • José Sousa Ramos

   Research paper Pages: 231 - 249

5. The stability of d’Alembert’s functional equation

   • Iwona Tyrala

   Research paper Pages: 250 - 256

6. A continued fraction from Ramanujan’s lost notebook

   • Bruce C. Berndt
   • Geumlan Choi

   Research paper Pages: 257 - 262

7. The functional formulation of second-order ordinary differential equations

   • Petr Chládek

   Research paper Pages: 263 - 270

8. Functional equations and matrix-valued spherical functions

   • Henrik Stetkær

   Research paper Pages: 271 - 292

9. Neumann boundary value problems with singularities in a phase variable

   • Ravi P. Agarwal
   • Donal O’Regan
   • Svatoslav Staněk

   Research paper Pages: 293 - 308

10. A complete description of comparison meaningful functions

    • Jean-Luc Marichal
    • Radko Mesiar
    • Tatiana Rückschlossová

    Research paper Pages: 309 - 320