
EPSRC grant EP/D048249/1 was held at the University of Leeds from Feb 1st 2006Jan 31st
2009. I give some details of this below.
Investigators
Principal investigator, Professor J K Truss
Coinvestigator, Professor H D Macpherson
Research assistants
Dr Robert Gray, Feb 1st 2006Jan 31st 2008,
Dr Daniela Amato, Feb 1st 2008Jan 31st 2009.
Visitors on the grant
Professor Manfred Droste, University of Leipzig,
Professor Cheryl Praeger, University of Western Australia
2day meeting held on Aug 2nd, 3rd 2007
Publications
 Susana Torrezao de Sousa and J. K. Truss, Countable homogeneous coloured
partial orders,
Dissertationes Mathematicae 455 (2008) (48 pages).
 Robert Gray and John K Truss,
Construction of some countable onearc transitive bipartite graphs.
Discrete Mathematics, 308 (2008), 63926405.
 M. Droste, Robert Gray and J. K. Truss,
Construction of some uncountable 2arc transitive bipartite graphs.
Order 25 (2008), 349357.
 R. Gray, kCStransitive infinite graphs,
Journal of Combinatorial Theory Series B, 99 (2009),
378398.
 G. CamperoArena and J. K. Truss,
1transitive cyclic orderings, Journal of Combinatorial Theory,
Series A 116 (2009), 581594.
 R. Gray and J. K. Truss, Cyclefree partial orders and ends of graphs,
Mathematical Proceeedings of the Cambridge Philosophical
Society, 146 (2009), 535550.
 Manfred Droste and J. K. Truss, The uncountable cofinality of
automorphism groups of linear and partial orders, Algebra
Universalis 62 (2009), 7590.
 R. Gray and H D Macpherson, Countable connectedhomogeneous graphs,
Journal of Combinatorial Theory B, 100 (2010), 97118.
 J. K. Truss, On the automorphism group of the countable dense circular
order, Fundamenta Mathematicae 204 (2009), 97111.
 Daniela Amato and John Truss, Some constructions of highly arctransitive
digraphs, Combinatorica 31 (2011), 257283.
 Daniela Amato and John K Truss, Crownfree highly arctransitive
digraphs, Forum Mathematicum 24 (2012), 161175.
 R. Gray and R. Moller, Locallyfinite connectedhomogeneous digraphs,
Discrete Mathematics 311 (2011), 14971517.
 Daniela Amato, Descendants in infinite primitive highly arctransitive
digraphs, Discrete Mathematics 310 (2010), 20212036.
 Daniela Amato and Dugald Macpherson, Metrically homogeneous graphs,
in preparation.
 R. Gray and J. K. Truss, Countable locally 2arctransitive bipartite
graphs, submitted.
 R. Gray, H. D. Macpherson, Cheryl Praeger and G. Royle,
Classification of the
finite settransitive directed graphs, to appear in the Journal of
Combinatorial Theory B.
 Daniela Amato and John K Truss, Descendanthomogeneous digraphs,
Journal of Combinatorial Theory A 118 (2011), 403424.
 Daniela Amato, David M Evans, and John K Truss,Classification of some
countable descendanthomogeneous digraphs, Discrete Mathematics 312 (2012),
911919.
