ISSN 1787-5021 (Print)
ISSN 1787-6117 (Online)
 | Editorial BoardSándor Bácsó, Sonja Gorjanc, Tibor Gyimóthy, Miklós Hoffmann, József Holovács, Tibor Juhász, László Kovács, László Kozma, Gábor Kusper, Kálmán Liptai, Florian Luca, Giuseppe Mastroianni, Ferenc Mátyás, Ákos Pintér, Miklós Rontó, László Szalay, János Sztrik, Gary Walsh Technical EditorTibor Tómács |
Content
Research papers
Steganalysis of digital contents, based on the analysis of unique color triplets
by Anna Akhmametieva
Pages: 3–18
First derivatives of fuzzy surfaces
by Jan Caha, Jiří Dvorský
Pages: 19–40
Twelve subsets of permutations enumerated as maximally clustered permutations
by David Callan, Toufik Mansour, Mark Shattuck
Pages: 41–74
Determining special roots of quaternion polynomials
by Petroula Dospra, Dimitrios Poulakis
Pages: 75–83
Generic lightlike submanifolds of an indefinite trans-Sasakian manifold with a non-metric ϕ-symmetric connection
by Dae Ho Jin, Jae Won Lee
Pages: 85–107
Gardener's spline curve
by Imre Juhász
Pages: 109–118
The h(x)-Lucas quaternion polynomials
by Nayil Kilic
Pages: 119–128
Hyperbolic distance between hyperbolic lines
by Riku Klén
Pages: 129–139
A combinatorial generalization of the gcd-sum function using a generalized Möbius function
by Vichian Laohakosol, Pinthira Tangsupphathawat
Pages: 141–148
Decision structure based object-oriented design principles
by Szabolcs Márien
Pages: 149–176
Period of balancing sequence modulo powers of balancing and Pell numbers
by Bijan Kumar Patel, Utkal Keshari Dutta, Prasanta Kumar Ray
Pages: 177–183
Comparison and affine combination of generalized barycentric coordinates for convex polygons
by Ákos Tóth
Pages: 185–200
Caustics of spline curves
by Ede Troll, Miklós Hoffmann
Pages: 201–209
Infinitary superperfect numbers
by Tomohiro Yamada
Pages: 211–218
On bounded and unbounded curves determined by their curvature and torsion
by Oleg Zubelevich
Pages: 219–225
Methodological papers
Teaching digital image processing – eyes and eyesight
by István Gerják
Pages: 229–242
The development of mathematical competences in Hungarian teacher training education
by Szilvia Petz, Miklós Hoffmann
Pages: 243–251