1. The natural partial order on a regular semigroup;Nambooripad;Proc Edinb Math Soc,1980
2. A system of matrix equations and a linear matrix equation over arbitrary regular rings with identity Linear;Wang;Algebra Appl,2004
3. Nonnegative idempotent matrices and the minus partial order Linear;Bapat;Algebra Appl,1997
4. How to partially order regular elements;Hartwig;Math Jpn,1980
5. Some properties of matrix partial orderings Linear;Baksalary;Algebra Appl,1989