1. On long sequences of numbers, all satisfying Collatz;VI INTERNATIONAL SCIENTIFIC CONVENTION OF UNIVERSIDAD TéCNICA DE MANABí: Advances in Basic Sciences, Informatics and Applied Engineering;2024
2. Three- and Four-Dimensional Generalized Pythagorean Numbers;Advances in Pure Mathematics;2024
3. Number-theoretic functions for Gaussian integers;Bulletin of Taras Shevchenko National University of Kyiv. Series: Physics and Mathematics;2023
4. The Group of Primitive Pythagorean Triples Over Gaussian Integers;SSRN Electronic Journal;2021
5. Paley and the Paley Graphs;Springer Proceedings in Mathematics & Statistics;2020