Decomposition of Nonnegative Integral Matrices. - Richard N. Ball (J. Comb. Theory A, 1977)

Configurations in Coproducts of Priestley Spaces. - Richard N. Ball; Ales Pultr; Jirí Sichler (Appl. Categorical Struct., 2005)

Well-Embedding and Gdelta-Density in a Pointfree Setting. - Richard N. Ball; Joanne Walters-Wayland (Appl. Categorical Struct., 2006)

Epi-topology and Epi-convergence for Archimedean Lattice-ordered Groups with Unit. - Richard N. Ball; Anthony W. Hager (Appl. Categorical Struct., 2007)

An Intrinsic Characterization of Monomorphisms in Regular Lindelöf Locales. - Richard N. Ball; Anthony W. Hager; Joanne Walters-Wayland (Appl. Categorical Struct., 2007)

More on Configurations in Priestley Spaces, and Some New Problems. - Richard N. Ball; Ales Pultr; Jirí Sichler (Appl. Categorical Struct., 2007)

Colored graphs without colorful cycles. - Richard N. Ball; Ales Pultr; Petr Vojtechovský (Comb., 2007)

A Priestley Sum of Finite Trees is Acyclic. - Richard N. Ball; Ales Pultr; Jirí Sichler (Appl. Categorical Struct., 2008)

Dualities in full homomorphisms. - Richard N. Ball; Jaroslav Nesetril; Ales Pultr (Eur. J. Comb., 2010)

Notes on Exact Meets and Joins. - Richard N. Ball; Jorge Picado; Ales Pultr (Appl. Categorical Struct., 2014)

Exact Filters and Joins of Closed Sublocales. - Richard N. Ball; M. Andrew Moshier; Ales Pultr (Appl. Categorical Struct., 2020)

Pointless Parts of Completely Regular Frames. - Richard N. Ball (Appl. Categorical Struct., 2024)