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Completing the Existence Problem for Integer Relative Heffter Arrays $\mathrm{H}_k(n;k)$
Heffter arrays, introduced by Archdeacon in 2015, are combinatorial structures with applications to cyclic cycle systems and biembeddings of graphs on surfaces. Costa, Morini, Pasotti and Pellegrini proposed in 2020 the notion of relative Heffter arrays as a generalization of classical Heffter array
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