Mathematical Association of America. (Present).
Former President and Current Secretary, Texas Association of Academic Administrators in the Mathematical Sciences. (Present).
Texas Section Governor, Mathematical Association of America. (2010 – 2013).
Distinguished Teaching Professor, UNT. (2013 – 2013).
Piper Award Nominee, UNT. (2013 – 2013).
President's Council Teaching Award, UNT. (2012 – 2012).
Other,"Steinhaus Tables,". (2009 – 2010).
Other,"Regular Stienhaus Graphs,". (2009 – 2010).
Other. (2000 – 2000).
Other,"Cycles in Steinhaus graphs,". (1994 – 1994).
Other,"Applications of rapid mixing Markov chains to problems in graph theory,". (1993 – 1993).
Other,"Universal Branched Coverings,". (1992 – 1992).
Other,"Stiefel-Whitney classes and Whitney’s embedding theorem,". (1990 – 1990).
Other,"The Adam Conjecture for Graphs,". (1990 – 1990).
Other,"Polynomial Isomorphisms of Cayley Objects over a Finite Field,". (1989 – 1989).
Other,"Applications of Graph Theory and Topology to Combinatorial Designs,". (1988 – 1988).
Other,"Conway’s Link Polynomial : A Generalization of the Classic Alexander’s Knot Polynomial,". (1986 – 1986).
Spindle Design. (2014 – 2014).
Subgraph Decompositions and Partitions of Arithmetic Sequences. (2000 – 2000).
Fibers in infinite planar graphs. (1999 – 1999).
Planar universal graphs. (1999 – 1999).
Growth of infinite planar graphs. (1998 – 1998).
A Note on the growth rate of planar graphs. (1997 – 1997).
Growth rate of planar graphs. (1997 – 1997).
Necklace connections in the shuffle-exchange graph. (1996 – 1996).
The growth rate of planar graphs. (1996 – 1996).
Random Graphs. (1995 – 1995).
Pseudo–Random Graphs. (1994 – 1994).
Algorithms and Complexity. (1993 – 1993).
Properties of generalized Steinhaus graphs. (1993 – 1993).
Steinhaus graphs are first order random. (1993 – 1993).
Subgraphs of Random Graphs. (1993 – 1993).
Subgraphs of Random Graphs. (1993 – 1993).
Probability of diameter two for Steinhaus graphs. (1992 – 1992).
Isomorphisms of objects admitting elementary abelian p-group actions m. (1991 – 1991).
The number of Nonzero Entries in Recursively Defined Tables. (1990 – 1990).
Design Isomorphisms. (1989 – 1989).
Isomorphisms of objects admitting elementary Abelian p-group actions. (1988 – 1988).
On 3 − (pr, 4, λ) designs admitting the affine group as automorphisms. (1987 – 1987).
Quadratic Isomorphisms of Zp ⊕ Zp — objects. (1987 – 1987).
Isomorphisms of combinatorial objects. (1986 – 1986).
Polynomial Isomorphisms of Combinatorial Objects. (1986 – 1986).
The Isomorphism Problem for Cyclic Combinatorial Objects. (1986 – 1986).
Some Combinatorial Isomorphism Theorems. (1985 – 1985).
Isomorphic Cyclic Designs which are not Equivalent. (1984 – 1984).
Linearity of Design Isomorphisms. (1983 – 1983).
Periodicity Phenomena of Concordance Classes of Branched Coverings. (1982 – 1982).
Some Topology Associated to 2-Designs. (1982 – 1982).
Topological Invariants of 2-Designs. (1982 – 1982).
Topological Invariants of 2-Designs. (1982 – 1982).
Other, Executive Committee. (2008 – 2010).
Committee Member, UNT Teacher Education Council. (2008 – 2010).
Other, Graduate Council. (2007 – 2010).
Other, CAS Mathematics Focus Group. (2008 – 2009).
Other, Emerald Eagle Scholar Professor. (2007 – 2009).
Committee Member, Undergraduate Affairs Committee. (2007 – 2009).
Other, NCATE Report Preparation Team. (2007 – 2008).
Other, Departmental Strategic Planning Committee. (2004 – 2007).
Other, Executive Committee. (1997 – 2007).
Other, Tenure and Promotion Committee. (1997 – 2007).
Other, Departmental PR Committee. (2003 – 2006).
Other, Faculty Development Leave Committee. (1998 – 2000).
Other, Solutions 99 Committee. (1998 – 2000).
Other, Faculty Council. (1997 – 1999).
Other, EXPO committee. (1996 – 1999).
Other, Millican Colloquium Committee. (1994 – 1999).
Other, Graduate Affairs Committee. (1991 – 1999).
Other, Information Resource Council (IRC). (1996 – 1998).
Other, IRC Strategic Planning Committee 1996-97. (1996 – 1998).
Other, TAMS Math Club. (1996 – 1998).
Other, Computer Equipment Committee. (1994 – 1998).
Other, Instructional Program Group. (1994 – 1998).
Other, Corporate Academic Partners Committee. (1996 – 1997).
Other, Evaluation Committee for Technology in Teaching Grants. (1996 – 1997).
Other, University chapter of Habitat for Humanity. (1995 – 1997).
Other, Charter review committee. (1995 – 1996).
Other, Executive Committee. (1994 – 1996).
Other, Tenure and Promotion Committee. (1994 – 1996).
Other, Graduate Curriculum Committee. (1992 – 1995).
Other, Review Team for Computer Science Program. (1994 – 1994).
Other, Executive Committee. (1991 – 1993).
Other, Tenure and Promotion Committee. (1991 – 1993).
Other, Undergraduate Affairs Committee. (1983 – 1993).
Other, University TASP Advisory Council. (1989 – 1991).
Other, University Tenure Committee. (1989 – 1991).
Other, Undergraduate Curriculum Committee. (1988 – 1991).
Other, Executive Committee. (1988 – 1990).
Other, Math Dept. TAMS Committee. (1987 – 1990).
Other, Putnam Exams at UNT. (1983 – 1990).
Other, Executive Committee. (1984 – 1986).
Other, Celebration of Sciences Committee. (1984 – 1985).
Other, Science and Technology Council. (1984 – 1985).
Other, TAAAMS. (2006 – 2011).
Other, Texas Section of the MAA Executive Committee. (2001 – 2009).
Officer, President/Elect/Past, TAAAMS. (2003 – 2004).
Other, AMS-MAA Committee on Teaching Assistants and Part-Time Instructors. (2000 – 2003).
Other, Special session at regional meeting of AMS, Chicago, Illinois. (1989 – 1989).
Other, Special session at regional meeting of AMS, Denton, Texas. (1986 – 1986).
Committee Chair, Texas Section of the Mathematical Association of America. (2007 – 2008).
Other, Habitat for Humanity of Denton (Founding). (2005).
Other, Habitat for Humanity Council of North Central Texas. (1998 – 2003).
Member, Teaching Enhancement Team under the Dallas Urban Systemic Initiative. (1994 – 1995).