Further constructions of square integer relative Heffter arrays A square integer relative Heffter array is an $n \times n$ array whose rows and columns sum to zero, each row and each column has exactly $k$ entries and either $x$ or $-x$ appears in the array for ev...

📢 New publication 'Further constructions of square #integer relative #Heffter arrays' by Diane Donovan, Sarah Lawson and James Lefevre in arXiv 🧮🧪

doi.org/10.48550/arX...