Globally Simple Heffter Arrays $H(n;k)$ with $k\equiv 1(\mathrm{mod}4)$

Erik Pelttari, Selda Küçükçifçi, Selda Kücükçifçi +3

Heffter arrays are combinatorial structures used to construct orthogonal cyclic cycle decompositions and biembeddings of complete graphs onto surfaces. A Heffter array $H(m,n;h,k)$…