Polyhedral cones and positive operators

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

Cross-Positive Matrices

M. Vidyasagar · SIAM Journal on Numerical Analysis · 1970 · 196 citations

Natural Sciences, Mathematics, Algebra +3

Spectral Properties of Matrices which have Invariant Cones

James S. Vandergraft · SIAM Journal on Applied Mathematics · 1968 · 185 citations · Full text

Natural Sciences, Mathematics, Dynamical Systems +13

Linear equations and inequalities on finite dimensional, real or complex, vector spaces: A unified theory

Adi Ben-Israel · Journal of Mathematical Analysis and Applications · 1969 · 140 citations

Natural Sciences, Mathematics, Applied Mathematics +13

Pairs of matrices with a non-zero commutator

Linda Goddard · Mathematical Proceedings of the Cambridge Philosophical Society · 1955 · 14 citations

Natural Sciences, Mathematics, Algebra +5