Georgiou, Nikos and Guilfoyle, Brendan (2022) A new geometric structure on tangent bundles. Journal of Geometry and Physics, 172. ISSN 0393-0440
Georgiou, Nikos and Guilfoyle, Brendan (2021) The causal topology of neutral 4-manifolds with null boundary. New York Journal of Mathematics, 27. pp. 477-507. ISSN 1076-9803
Georgiou, Nikos and Guilfoyle, Brendan (2017) Hopf hypersurfaces in spaces of oriented geodesics. Journal of Geometry, 108 (3). pp. 1129-1135. ISSN 0047-2468