Research

• Lattices of Relations Closed Under the Operations of Relation Algebras. (With Jeremy Alm). Algebra Universalis. 71:187-190 (2014).
• Reflexive relations on algebras with Boolean lattice reducts. Algebra Universalis. 61:195-199 (2009).
• Primitive Positive Clones of Groupoids. Algebra Universalis. 60:231-237 (2009).
• OPC Lattices and Congruence Heredity. Algebra Universalis. 58:59-71, 2008.
• Almost distributive sublattices and Congruence Heredity. Algebra Universalis. 57:3-14, 2007.
• A genetic algorithm for drawing ordered sets . (With B. Loft). Texas College Mathematics Journal. 3:10-26, 2006.
• Subdirect Products of Hereditary Congruence Lattices. Algebra Universalis. 54:65-71, 2005.
• Relations Compatible with Near Unanimity Operations. Algebra Universalis. 52:279-288, 2004.
• Congruence modular varieties: commutator theory and its uses. (With R. McKenzie). Structural Theory of Automata, Semigroups and Universal Algebra, proceedings of the NATO ASI, Montreal, 2003.
• Every Finite lattice in V(M₃) is representable. Algebra Universalis. 50:75-81, 2003.
• Generating Primitive Positive Clones. Algebra Universalis. 44:169-185, 2000.
• A Constructive Approach to the Finite Congruence Lattice Representation Problem. Algebra Universalis . 43:279-293, 2000.
• Maltsev Conditions and Relations on Algebras. Algebra Universalis. 42:299-309, 1999.
• Relations on Algebras and Varieties as Categories. Ph.D. Dissertation. Vanderbilt University. August 1998.
• Maltsev Conditions. Ph.D. Qualifying Thesis. Vanderbilt University. September 1996.

Note: Original copies of Algebra Universalis papers can be found at www.springerlink.com.