Invariance and parallel sums
© 2020 © The Author(s). In this paper, the notions of invariance and parallel sums as defined by Anderson and Duffin for matrices [Series and parallel addition of matrices, J. Math. Anal. Appl. 26 (1969) 576-594] are generalized to von Neumann regular rings.
Alahmadi, Adel; Jain, S. K.; and Leroy, André, "Invariance and parallel sums" (2020). Mathematics Open Access Publications. 7.