Mixed-type reverse-order laws of \((AB)^{(1,2,3)}\) and \((AB)^{(1,2,4)}\)
Some new necessary and sufficient conditions are given in order to characterize the mixed-type reverse-order law of \((AB)^{(1,2,3)}\) and also of \((AB)^{(1,2,4)}\). The conditions are found in terms of the rank of certain matrices.
scientific article; zbMATH DE number 5931390