Balanced ring

on the left (right)

A ring over which all left (right) modules are balanced. A ring is balanced on the left if and only if all its quotient rings are QF-$1$-rings, that is, if all the exact left modules over it are balanced. In particular, a ring is balanced if all its quotient rings are quasi-Frobenius. Every balanced ring can be split into a direct sum of a uniserial ring and rings of matrices over local rings of a special type. Every balanced ring is semi-perfect. A Noetherian balanced ring is an Artinian ring.

References

[1]	Itogi Nauk. i Tekhn. Algebra Topol. Geom. , 19 (1981) pp. 31–134
[2]	C. Faith, "Algebra" , 1–2 , Springer (1973–1976)