Homomorphism-Homogeneous Relational Structures

We study relational structures (especially graphs and posets) which satisfy the analogue of homogeneity but for homomorphisms rather than isomorphisms. The picture is rather different. Our main results are partial characterisations of countable graphs and posets with this property; an analogue of Fra

• Type: Journal
• Year: 2006
• Where: CPC
• Authors: Peter J. Cameron, Jaroslav Nesetril
• Keywords: Countable Graphs, CPC 2006, Partial Characterisations, Relational Structures