3 search results - page 1 / 1 » Pseudocomplements of closure operators on posets |
DM
2002
13 years 4 months ago
2002
Some recent results provide su cient conditions for complete lattices of closure operators on complete lattices, ordered pointwise, to be pseudocomplemented. This paper gives resu...
RSCTC
1998
Springer
13 years 9 months ago
1998
Springer
This paper reviews and discusses generalizations of Pawlak rough set approximation operators in mathematical systems, such as topological spaces, closure systems, lattices, and pos...
SOFSEM
1998
Springer
13 years 9 months ago
1998
Springer
Abstract. Formal methods based on the mathematical theory of partially ordered sets (i.e., posets) have been used in the database field for the modelling of spatial data since many...