ISSN 1787-5021 (Print)
ISSN 1787-6117 (Online)
 | Editorial BoardSándor Bácsó, Sonja Gorjanc, Tibor Gyimóthy, Miklós Hoffmann, József Holovács, László Kovács, László Kozma, Kálmán Liptai, Florian Luca, Giuseppe Mastroianni, Ferenc Mátyás, Ákos Pintér, Miklós Rontó, László Szalay, János Sztrik, Gary Walsh Technical EditorTibor Tómács |
Content
Research papers
The log-concavity and log-convexity properties associated to hyperpell and hyperpell-lucas sequences
by Moussa Ahmia, Hacène Belbachir, Amine Belkhir
Pages: 3–12
On geodesic mappings of Riemannian spaces with cyclic Ricci tensor
by Sándor Bácsó, Róbert Tornai, Zoltán Horváth
Pages: 13–17
A symmetric algorithm for hyper-Fibonacci and hyper-Lucas numbers
by Mustafa Bahşi, István Mező, Süleyman Solak
Pages: 19–27
An unusual cubic representation problem
by Andrew Bremner, Allan Macleod
Pages: 29–41
Counting permutations by cyclic peaks and valleys
by Chak-On Chow, Shi-Mei Ma, Toufik Mansour, Mark Shattuck
Pages: 43–54
On the existence of the generalized Gauss composition of means
by Peter Csiba, Ferdinánd Filip, Attila Komzsík, János T. Tóth
Pages: 55–65
Divisible and cancellable subsets of groupoids
by Tamás Glavosits, Árpád Száz
Pages: 67–91
Commutator identities on group algebras
by Tibor Juhász
Pages: 93–101
Generalized binary recurrent quasi-cyclic matrices
by Emrah Kılıç, Yücel Türker Ulutaş, Ilker Akkus, Neşe Ömür
Pages: 103–112
Coincidences in numbers of graph vertices corresponding to regular planar hyperbolic mosaics
by László Németh, László Szalay
Pages: 113–121
Probabilistic model checking on HPC systems for the performance analysis of mobile networks
by Wolfgang Schreiner, Tamás Bérczes, János Sztrik
Pages: 123–144
Constrained modification of the cubic trigonometric Bézier curve with two shape parameters
by Ede Troll
Pages: 145–156
Methodological papers
On intersections of the exponential and logarithmic curves
by Nikola Koceić Bilan, Ivan Jelić
Pages: 159–170
Importance of spatial visualization skills in Hungary and Turkey: Comparative Studies
by Rita Nagy-Kondor
Pages: 171–181
IT Competences: Modelling the Real World
by Péter Szlávi, László Zsakó
Pages: 183–199