Hacioglu, IlhanMichael, T. S.Ozdemir, Serhat2025-01-272025-01-2720151537-95821081-3810https://hdl.handle.net/20.500.12428/29441Fletcher asked whether there is a (0, 1)-matrix of order greater than 3 whose square is a regular tournament matrix. We give a negative answer for a special class of regular tournament matrices: T (0, 1)-matrix of order greater than 3 whose square is a doubly regular tournament matrix.eninfo:eu-repo/semantics/closedAccessTournament matrixMatrix square rootDoubly regular tournamentArticle287982Q3WOS:000364818100007