ISSN 1787-5021 (Print)
ISSN 1787-6117 (Online)
Content
Research papers
Cofinite derivations in rings
by Orest D. Artemovych
Pages: 3–11
A characterization of Symmetric group Sr, where r is prime number
by Alireza Khalili Asboei, Seyed Sadegh Salehi Amiri, Ali Iranmanesh, Abolfazl Tehranian
Pages: 13–23
On k-periodic binary recurrences
by Nurettin Irmak, László Szalay
Pages: 25–35
Control point based representation of inellipses of triangles
by Imre Juhász
Pages: 37–46
About the equation Bm(a,b) = f(x)
by Kálmán Liptai, Péter Olajos
Pages: 47–55
Polynomials whose coefficients are k-Fibonacci numbers
by Toufik Mansour, Mark Shattuck
Pages: 57–76
Implementing the GSOSM algorithm
by Nikolett Fanni Menyhárt, Zoltán Hernyák
Pages: 77–92
On unification of some weak separation properties
by Bishwambhar Roy, Ritu Sen
Pages: 93–103
The signed Roman domatic number of a graph
by Seyed Mahmoud Sheikholeslami, Lutz Volkmann
Pages: 105–112
The rank and Hanna Neumann property of some submonoids of a free monoid
by Shubh Narayan Singh, K. V. Krishna
Pages: 113–123
Parallel algorithm for determining the “small solutions” of Thue equations
by Gergő Szekrényesi
Pages: 125–134
Two applications of the theorem of Carnot
by Zoltán Szilasi
Pages: 135–144
The rank of certain subfamilies of the elliptic curve Y2 = X3 - X + T2
by Petra Tadić
Pages: 145–153
Measurement of visual smoothness of blending curves
by Robert Tornai
Pages: 155–160
Methodological papers
A possible general approach of the Apollonius problem with the help of GeoGebra
by László Budai
Pages: 163–173
Rotation about an arbitrary axis and reflection through an arbitrary plane
by Emőd Kovács
Pages: 175–186
Engineering students’ spatial abilities in Budapest and Debrecen
by Rita Nagy-Kondor, Csilla Sörös
Pages: 187–201
Spatial ability of students of mathematics education in Croatia evaluated by the Mental Cutting Test
by Željka Milin-Šipuš, Aleksandra Čižmešija
Pages: 203–216