2008•Unpublished venueRequires access

Attribute characters of formal contexts under homomorphisms

Hongzhi Yang, Ming-Wen Shao

Abstract

In the paper, we introduce the notion of an formal contexts homomorphisms, which is a powerful tool to study the relation between two formal contexts. Based on the notion of homomorphisms of formal contexts, we discuss the invariant characters of formal contexts under homomorphisms, and reveal the relation of attributes characters and formal concepts between two formal contexts under homomorphisms and isomorphisms.

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Available abstract

Key concepts: Homomorphism, Formal description, Relation (database), Computer science, Invariant (physics), Formal system, Formal methods, Formal language