By Simone Costa and others

Relative Heffter arrays, denoted by *\mathrm{H}_t(m,n; s,k)*, have been introduced as a generalization of the classical concept of Heffter array. A *\mathrm{H}_t(m,n; s,k)* is an *m\times n* partially filled array with elements in *\mathbb{Z}_v*, where *v=2nk+t*, whose rows contain *s* filled cells and whose columns contain *k* filled cells, such... Show more

March 3, 2020

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Relative Heffter arrays and biembeddings

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