2 papers
math.CO2010
Set-homogeneous directed graphs
Robert Gray, Dugald Macpherson, Cheryl E. Praeger +1
A directed graph is set-homogeneous if, whenever U and V are isomorphic finite subdigraphs, there is an automorphism g of the digraph with U^g=V. Here, extending work of Lachlan on…
math.LO2005
Stable domination and independence in algebraically closed valued fields
Deirdre Haskell, Ehud Hrushovski, Dugald Macpherson
We seek to create tools for a model-theoretic analysis of types in algebraically closed valued fields (ACVF). We give evidence to show that a notion of 'domination by stable part'…