Idempotent and compact matrices on linear lattices: a survey of some lattice results and related solutions of finite relational equations
Fortunata Liguori, Giulia Martini, Salvatore Sessa · International Journal of Mathematics and Mathematical Sciences · 1993
After a survey of some known lattice results, we determine the greatest idempotent (resp. compact) solution, when it exists, of a finite square rational equation assigned over a linear lattice. Similar considerations are presented for composite relational equations.