MTFA (2 papers)
G. Watson, “Algorithms for Minimum Trace Factor Analysis”, SIAM Journal on Matrix Analysis and Applications, Volume 13, Issue 4, 1992.
C. Li, A. Shkolnik, “On Minimum Trace Factor Analysis--An Old Song Sung to a New Tune”, Preprint, February 2024.
WMTFA (1 paper)
M. Jamshidian, P. Bentler, "A quasi-newton method for minimum trace factor analysis", Journal of Statistical Computation and Simulation, Volume 62, No1-2, pages 73–89,1998.