Injective Oriented Colourings. - Gary MacGillivray; André Raspaud; Jacobus Swarts (WG, 2009)

The complexity of colouring by locally semicomplete digraphs. - Jørgen Bang-Jensen; Gary MacGillivray; Jacobus Swarts (Discret. Math., 2010)

The complexity of locally injective homomorphisms. - Gary MacGillivray; Jacobus Swarts (Discret. Math., 2010)

A graph theoretic proof of the complexity of colouring by a local tournament with at least two directed cycles. - Gary MacGillivray; Jacobus Swarts; Jørgen Bang-Jensen (Contributions Discret. Math., 2011)

The Ck-extended graft construction. - Gary MacGillivray; Jacobus Swarts (Discret. Appl. Math., 2011)

Obstructions to Injective Oriented Colourings. - Gary MacGillivray; André Raspaud; Jacobus Swarts (Electron. Notes Discret. Math., 2011)

Weak near-unanimity functions and digraph homomorphism problems. - Gary MacGillivray; Jacobus Swarts (Theor. Comput. Sci., 2013)

Obstructions to locally injective oriented improper colourings. - Gary MacGillivray; André Raspaud; Jacobus Swarts (Eur. J. Comb., 2014)