Operators and Matrices · Volume 17, Issue 4 Commuting maps on strictly upper triangular matrix rings 17-67 Pages 1023-1036 DOI 10.7153/oam-2023-17-67 Downloads Short PDF Full PDF PNG Authors Shu-Wen Ko Cheng-Kai Liu Keywords commuting map functional identity strictly upper triangular matrix ring semiprime ring Subject classes 15A78 15A27 16R60 16N60