P. Jipsen and M. A. Moshier, Topological Duality and Lattice Expansions Part I: A Topological Construction of Canonical Extensions, accepted in Algebra Universalis.
P. Jipsen and M. A. Moshier, Topological Duality and Lattice Expansions Part II: Lattice Expansions with Quasioperators, submitted.
P. Jipsen, The lattice of varieties generated by residuated lattices of size up to 5
P. Jipsen, Some quasivarieties of complex algebras that are varieties
P. Jipsen, Complex algebras of rectangular bands