Volume 59 (2026)

Front pages

Pages: 1

To the memory of Professor Nader Labib Bassily

Imre Kátai

Pages: 3–7

DOI: 10.71352/ac.59.100126

The regularity index of seven almost equimultiple points in projective space \(\mathbb{P}^4\)

Tran Nam Sinh and Phan Quy

Pages: 9–23

DOI: 10.71352/ac.59.060226

Broadening the convergence domain of the modified Weerakoon—Fernando scheme for equations in Banach spaces

Ioannis K. Argyros, Debasis Sharma and Christopher Argyros

Pages: 25–45

DOI: 10.71352/ac.59.280226

Infinitely many concrete multiple-composite quantitative approximations by different Kantorovich—Shilkret neural network operators

George A. Anastassiou

Pages: 47–66

DOI: 10.71352/ac.59.280426

Searching for consecutive integers divisible by a power of their largest prime factor

Jean-Marie De Koninck and Matthieu Moineau

Pages: 67–94

DOI: 10.71352/ac.59.060526

Multiplicative functions additive on some automatic sequences

Elchin Hasanalizade

Pages: 95–104

DOI: 10.71352/ac.59.050726

Linear canonical Sturm—Liouville Hausdorff and convolution type operators

Fethi Soltani

Pages: 105–127

DOI: 10.71352/ac.59.060726

Correction of our paper "On the iterates of some multiplicative functions''

Imre Kátai and Bui Minh Phong

Pages: 129–132

DOI: 10.71352/ac.59.280726

Exponential sums and arithmetic functions running on subintervals

Jean-Marie De Koninck and Imre Kátai

Pages: 133–140

DOI: 10.71352/ac.59.020826

Remarks on a result of Hardy

Karl-Heinz Indlekofer

Pages: 141–147

DOI: 10.71352/ac.59.050826

Factor-reduced matrix factorization with a new initialization method

Gábor Farkas, Patrik Karakai and Péter Magyar

Pages: 149–165

DOI: 10.71352/ac.59.010926

Directed graphs defined by prime divisors of polynomial values

Imre Kátai and Bui Minh Phong

Pages: 167–179

DOI: 10.71352/ac.59.040926

Suzuki-type fixed point theorem in \(S_N\)-metric spaces: A strong \(b\)-metric approach

Hoang Thanh Nguyen, Sy Thang Nguyen and Hoang Anh Kiet Ong

Pages: 181–196

DOI: 10.71352/ac.59.190926

Index of Volume 59

Pages: 197–197

Back pages

Pages: 199–200

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