1 Introduction Let L be a lattice and CS(L) be the family of all convex sublattices of L, includingthe empty set.Then CS(L), partially ordered by inclusion, forms an atomic algebraic lat-tice. K. M. Koh investigated s...1 Introduction Let L be a lattice and CS(L) be the family of all convex sublattices of L, includingthe empty set.Then CS(L), partially ordered by inclusion, forms an atomic algebraic lat-tice. K. M. Koh investigated some basic concepts and results of CS(L), and raised the following Problem.展开更多
文摘1 Introduction Let L be a lattice and CS(L) be the family of all convex sublattices of L, includingthe empty set.Then CS(L), partially ordered by inclusion, forms an atomic algebraic lat-tice. K. M. Koh investigated some basic concepts and results of CS(L), and raised the following Problem.