J.-C. Bourin and M. Uchiyam, A matrix subadditivity inequality for f(A+B) and f(A)+f(B), Linear Algebra Appl. 423 (2007) 512–518. I. H. Gumus, O. Hirzallah and F. Kittaneh, Norm inequalities involving ...
Algebraic structures and linear maps form a cornerstone in modern mathematics, underpinning areas as diverse as abstract algebra and functional analysis. Algebraic structures such as groups, rings, ...