Two applications of a bound on the Hadamard product with a Cauchy matrix. Horn, Roger A.; Kittaneh, Fuad — 1998 ELA. The Electronic Journal of Linear Algebra [electronic only]
Bounds on the spectral radius of a Hadamard product of nonnegative or positive semidefinite matrices. Horn, Roger A.; Zhang, Fuzhen — 2010 ELA. The Electronic Journal of Linear Algebra [electronic only]
Solution of linear matrix equations in a *congruence class. Horn, Roger A.; Sergeichuk, Vladimir V.; Shaked-Monderer, Naomi — 2005 ELA. The Electronic Journal of Linear Algebra [electronic only]
Explicit polar decomposition of complex matrices. Horn, Roger A.; Piazza, Giuseppe; Politi, Tiziano — 2009 ELA. The Electronic Journal of Linear Algebra [electronic only]