**49**(2018)

ISSN 1787-5021 (Print)

ISSN 1787-6117 (Online)

## Content

### Research papers:

Data analysis applied to diabetic retinopathy screening: performance evaluation

by Bálint Antal, Mayo Kayann Guerra Silva Tavares, László Kovács, Balázs Harangi, István Lázár, Brigitta Nagy, György Kovács, József Szakács, János Tóth, Tünde Pető, Adrienne Csutak, András Hajdu

Pages: 3-9

DOI: 10.33039/ami.2018.10.002

The efficiency of classification in imperfect databases: comparing kNN and correlation clustering

by Mária Bakó

Pages: 11-20

DOI: 10.33039/ami.2018.08.002

Role of Descriptive geometry course in development of students’ spatial visualization skills

by Lucia Baranová, Ivana Katreničová

Pages: 21-32

DOI: 10.33039/ami.2018.04.001

On Fibonacci-type polynomial recurrences of order two and the accumulation points of their set of zeros

by Prashant Batra

Pages: 33-41

DOI: 10.33039/ami.2018.05.004

Restricted lonesum matrices

by Beáta Bényi

Pages: 43-54

DOI: 10.33039/ami.2018.10.001

Best bounds for dispersion of ratio block sequences for certain subsets of integers

by József Bukor, Peter Csiba

Pages: 55-60

DOI: 10.33039/ami.2018.05.006

On hyperbolic k-Pell quaternions sequences

by Paula Maria Machado Cruz Catarino

Pages: 61-73

DOI: 10.33039/ami.2018.05.005

On identities with multinomial coefficients for Fibonacci-Narayana sequence

by Taras Goy

Pages: 75-84

DOI: 10.33039/ami.2018.09.001

Diophantine triples in a Lucas-Lehmer sequence

by Krisztian Gueth

Pages: 85-100

DOI: 10.33039/ami.2018.08.001

On sunlet graphs connected to a specific map on {1, 2, . . . , p − 1}

by Omar Khadir, László Németh, László Szalay

Pages: 101-107

DOI: 10.33039/ami.2018.05.002

Performance evaluation of finite-source cognitive radio networks with non-reliable services using simulation

by Hamza Nemouchi, János Sztrik

Pages: 109-122

DOI: 10.33039/ami.2018.12.001

Some formulas for the restricted r-Lah numbers

by Mark Shattuck

Pages: 123-140

DOI: 10.33039/ami.2018.11.001

Benchmarking morphological analyzers for the Hungarian language

by Gábor Szabó, László Kovács

Pages: 141-166

DOI: 10.33039/ami.2018.05.001

An automated method for generating customizable cages using barycentric coordinates

by Ákos Tóth, Roland Kunkli

Pages: 167-180

DOI: 10.33039/ami.2018.11.002

On the generalization of Erdos-Vincze’s theorem about the approximation of regular triangles by polyellipses in the plane

by Csaba Vincze, Zoltán Kovács, Zsuzsanna Csorvássy

Pages: 181-197

DOI: 10.33039/ami.2018.05.003

Addendum and corrigenda to the paper “Infinitary superperfect numbers”

by Tomohiro Yamada

Pages: 199-201

DOI: 10.33039/ami.2018.06.001