A cohomological description of connections and curvature over posets. Roberts, John E.; Ruzzi, Giuseppe — 2006 Theory and Applications of Categories [electronic only]
Local Cohomology and Its Structural Implications for Field Theory John E. Roberts — 1977 Recherche Coopérative sur Programme n°25
A new duality theory for compact groups. Sergio Doplicher; John E. Roberts — 1989 Inventiones mathematicae