References
M. Ward, The closure operators of a lattice. Ann. Math.43, 191–196 (1942).
Ph. Dwinger, On the closure operators of a complete lattice. K. Proc. Kon. Ned. Akad. Wetensch. A57, 560–563 (1954).
Ph. Dwinger, On the closure operators of the ordinal product of closed lattices. K. Proc. Kon. Ned. Akad. Wetensch. A58, 36–40 (1955).
Ph. Dwinger, The closure operators of the cardinal and ordinal sums and products of partially ordered sets and closed lattices. K. Proc. Kon. Ned. Akad. Wetensch. A58, 341–351 (1955).
G.Birkhoff, Lattice Theory. Amer. Math. Soc. Colloq. Publications, Vol. 25, 1948.
R. M. Baer, Certain homomorphisms onto chains. Arch. Math.8, 93–95 (1957).
J. Riguet, Relations binaires, fermetures, correspondences de Galois. Bull. Soc. Math. France76, 114–155 (1948).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Baer, R.M. On closure operators. Arch. Math 10, 261–266 (1959). https://doi.org/10.1007/BF01240795
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01240795