Borghesan, Andrea; Favaretto, Daniela; Mason, Francesco - Dipartimento di Management, Università Ca' Foscari Venezia - 2012
We consider some particular cases of the general problem which consists of stating if a shift vector of m elements corresponds to a permutation of the same number of objects. Shifts are defined as the steps each element in a given permutation must perform in order to reach its natural position,...