2 papers
math.GM2023
A solution to the 7-prince's tour problem
Lorenzo Mella
In [1] the authors studied the closed tour problem on the chessboard of a chess piece, called -prince, leaving open the existence of such a tour when . In this…
math.CO2023
Weak Heffter Arrays and biembedding graphs on non-orientable surfaces
Simone Costa, Lorenzo Mella, Anita Pasotti
In 2015, Archdeacon proposed the notion of Heffter arrays in view of its connection to several other combinatorial objects. In the same paper he also presented the following varian…