Some primitive classes of lattices closed under the formation of projective images
Václav Slavík · Czech digital mathematics library · 1974
In this paper it is shown that there exist infinitely many primitive classes X of lattices such that UK, $**>> C L ) St SMJT ( L') imply L # « X , where SUutWL) denotes the lattice of all aublattices of L • Key words: Lattice, primitive class, projective image.