Tiling systems and homology of lattices in tree products. Robertson, Guyan — 2005 The New York Journal of Mathematics [electronic only]
Addendum to: Crofton formulae and geodesic distance in hyperbolic spaces. Robertson, Guyan — 1998 Journal of Lie Theory
Crofton formulae and geodesic distance in hyperbolic spaces. Robertson, Guyan — 1998 Journal of Lie Theory
Groups acting on products of trees, tiling systems and analytic K -theory. Kimberley, Jason S.; Robertson, Guyan — 2002 The New York Journal of Mathematics [electronic only]
A Korovkin Theorem for Schwarz Maps on C*-Algebras. A. Guyan Robertson — 1977 Mathematische Zeitschrift