D. Froncek

collaborators

2 papers

math.CO2026

Note on zero-sum magic squares on Abelian groups

Sylwia Cichacz, Dalibor Froncek

Let $(I^, +)$ be an Abelian group of order $n^{2}$ . A $I^$ -magic square of order $n$ is an $n \times n$ array whose entries are pairwise distinct elements of $I^$ such that all row sum…

math.CO2026

Semi-magic dihedral squares

Sylwia Cichacz, Dalibor Froncek

Let $I^$ be a group of order $n^{2}$ and $S M S_{I^} (n) = (a_{i, j})_{n \times n}$ be an $n \times n$ array whose entries are all distinct elements of $I^$ . If there exists an element $Î¼\inÎ…