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Keywords:
epimorphisms of incidence structures; unions of substructures; incidence structure (context) and its special cases: complete, open, trivial, regular, simple, modular; onto homomorphisms of incidence structures; union of substructures: disjoint, complete
epimorphisms of incidence structures; unions of substructures; incidence structure (context) and its special cases: complete, open, trivial, regular, simple, modular; onto homomorphisms of incidence structures; union of substructures: disjoint, complete
Summary:
Some decompositions of general incidence structures with regard to distinguished components (modular or simple) are considered and several structure theorems for them are deduced.
References:
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[2] Machala F.: Modulare Inzidenzstгukturen. Acta Univ. Palack. Olomuc. Fac. Reгum Natur. Math. 34 (1995), 137-145. MR 1447261
[3] Wille R.: Restructuring lattice theory: an approach based on hieгarchies of concepts. Ordered sets (I. Rival, ed.). Reidel, Dordrecht-Boston, 1982, pp. 445-470. MR 0661303
[4] Ganter B., Wille R.: Formale Begriffsanalyse. Mathematische Grundlangen. Springer, 1996, p. 296. MR 1715047 | Zbl 0861.06001
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