The steady-state of the (Normalized) LMS is schur convex. - Khaled A. Al-Hujaili; Tareq Y. Al-Naffouri; Muhammad Moinuddin (ICASSP, 2016)

Improved Steady State Analysis of the Recursive Least Squares Algorithm. - Muhammad Moinuddin; Tareq Y. Al-Naffouri; Khaled A. Al-Hujaili (ICASSP, 2018)