Volume 58 (2025)

Dedicated to the memory of Professor Ferenc Schipp


Front pages

Pages: 1–5


To the memory of Professor Ferenc Schipp

Sándor Fridli

Pages: 7–13

DOI: 10.71352/ac.58.310725


Neural networks in infinite domain as positive linear operators

George A. Anastassiou

Pages: 15–29

DOI: 10.71352/ac.58.120625


Extended Newton's method for solving generalized equations under Kantorovich's-type weak conditions

Ioannis K. Argyros and Santhosh George

Pages: 31–45

DOI: 10.71352/ac.58.301224


A convexity-type functional inequality with infinite convex combinations

Mátyás Barczy and Zsolt Páles

Pages: 47–55

DOI: 10.71352/ac.58.040825


On the role of novel extended relations in document centric information system design

András Benczúr, Bálint Molnár and Gyula I. Szabó

Pages: 57–97

DOI: 10.71352/ac.58.010325


New families of normal numbers constructed from existing ones

Jean-Marie De Koninck and Imre Kátai

Pages: 99–109

DOI: 10.71352/ac.58.170125


Monte Carlo method for estimating eigenvalues of symmetric matrices

Gábor Fábián

Pages: 111–123

DOI: 10.71352/ac.58.050825


Multistep algorithm to solve general Riccati differential equations by Walsh polynomials approach

György Gát, János Márki-Zay and Rodolfo Toledo

Pages: 125–140

DOI: 10.71352/ac.58.050725


Stability preserving in reaction-diffusion systems

Szilvia György and Sándor Kovács

Pages: 141–156

DOI: 10.71352/ac.58.100125


A note on division rings with involution

Dau Thi Hue

Pages: 157–165

DOI: 10.71352/ac.58.101124


Estimates for multiplicative functions, II.

Karl-Heinz Indlekofer and Erdener Kaya

Pages: 167–176

DOI: 10.71352/ac.58.100625


On the equation \(F(n^2+1)=bF(n^2-1)+c\)

Imre Kátai, Bui Minh Mai Khanh and Bui Minh Phong

Pages: 177–189

DOI: 10.71352/ac.58.180625


A reproducing kernel framework for interpretable parameter estimation and learning in dynamical systems

Sándor Kovács and Gergő Tóth

Pages: 191–208

DOI: 10.71352/ac.58.030825


Hybrid OSEM-PDHG reconstruction for SPECT with non-smooth total variation regularization

Dávid Légrády, Ákos Rábely and Ádám Zlehovszky

Pages: 209–230

DOI: 10.71352/ac.58.250725


Energy-efficient lazy group membership protocol implementation in Haskell

Jianhao Li and Viktória Zsók

Pages: 231–250

DOI: 10.71352/ac.58.020825


Fractals on the hyperbolic plane using Chebyshev style scaling functions

Levente Lócsi

Pages: 251–267

DOI: 10.71352/ac.58.090725


Haar spectra of Generalized Boolean bent functions

Radomir S. Stanković, Milena Stanković, Claudio Moraga and Jaakko Astola

Pages: 269–284

DOI: 10.71352/ac.58.030725


Walsh–Fejér means and weighted Hardy spaces

Ferenc Weisz

Pages: 285–297

DOI: 10.71352/ac.58.250525


A weighted prime number race through some perspective of probability theory

Kouji Yamamuro

Pages: 299–313

DOI: 10.71352/ac.58.101224


Index of Volume 58

Pages: 315–316


Back pages

Pages: 317–318


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