On comparison of dispersion matrices of estimators under a constrained linear model

A generalized inverse for matrices

Roger Penrose · Mathematical Proceedings of the Cambridge Philosophical Society · 1955 · 4.5K citations · Full text

Natural Sciences, Computer Science, Algebra +12

Equalities and Inequalities for Ranks of Matrices^†

George Matsaglia, George P. H. Styan · Linear and Multilinear Algebra · 1974 · 751 citations

Natural Sciences, Higher Education, Representation Theory +6

Representations of best linear unbiased estimators in the Gauss-Markoff model with a singular dispersion matrix

C. Radhakrishna Rao · Journal of Multivariate Analysis · 1973 · 214 citations

Engineering, Biostatistics, Probability Theory +6

The Equality of the Ordinary Least Squares Estimator and the Best Linear Unbiased Estimator

Simo Puntanen, George P. H. Styan · The American Statistician · 1989 · 212 citations

Natural Sciences, Mathematics, Statistics +7

Equalities and inequalities for inertias of hermitian matrices with applications

Yongge Tian · Linear Algebra and its Applications · 2010 · 97 citations

Natural Sciences, Physics, Quantum Mechanics +6