Chair of Organizing Committee for CombinaTexas 2012 held at Southwestern University
Conference Presentations:
International Workshop on Graph Labeling, Contribued Talk, “Magic type labelings of directed graphs”, July 2012
Mid-West Conference on Combinatorics, Cryptography and Computing, Invited address “The Best Magic (Directed Graph) Show in Vegas”, October 2011
International Workshop on Graph Labeling, Contributed Talk, “Some new results on labelings of directed graphs”, October 2010
R.L. Moore Conference, Panel participant, “New Users Panel”, June 2010
CombinaTexas, Contributed Talk “A new type of magic labeling for digraphs”, April 2010
Mid-West Conference on Combinatorics, Cryptography and Computing, Contributed talk “Some Families of Fixed Points for the Eccentric Digraph Operator”, October 2009
Mid-West Conference on Combinatorics, Cryptography and Computing, Contributed talk “Magic vertex labelings of directed graphs”, October 2008
MAA Texas Section Spring Meeting, Contributed Talk “Labelings of Directed Graphs”, April 2008
Joint Meetings of the AMS and MAA, AWM Workshop presenter “Graceful Labelings Meet Directed Graphs”, January 2008
Joint Meetings of the AMS and MAA, Contributed Talk “Magic Labeling of Directed Graphs”, January 2007
Mid-West Conference on Combinatorics, Cryptography and Computing, Contributed talk “Graceful labelings of directed graphs”, October 2006
AMS Spring South Sectional Meeting, Special Session on Graph Theory “Properties of closed neighborhood anti-Sperner graphs”, April 2005
AMS Spring Central Sectional Meeting, “Closed neighborhood anti-Sperner graphs”, March 2005
Kentucky Section MAA Spring Conference, Contributed Talk “An Algebra of Kinship Study of the Cherokee Tribe”, April 2002
Kentucky Section MAA Spring Conference, Contributed Talk “Games and Graphs”, April 2001
Southern Regional Honors Conference, Contributed Talk “Squaring the Circle…Literally”, March 2002
Southern Regional Honors Conference, Contributed Talk with Audra Jennings and Tom Cecil, March 2001
Southern Regional Honors Conference, Contributed Talk with Audra Jennings and Tom Cecil, March 1999
Other Presentations:
North Lousiana Teachers’ Circle, “Graph Theory and Magic Squares”, April 2012
Math Teachers’ Circle of Austin, “Magical Problems on Magic Squares and Magic Graphs”, February 2011
El Dorado High School, Mathematics and Game Shows in-class presentations, March 2010
University of Dallas Mathematics Colloquium, “A Magical Mystery Tour of Labelings”, October 2009
EDGE Summer Program, Joint Invited Speaker for Banquet, June 2009
Southwestern University Math Club, Participated in talks given by department members on their research, November 2008
Texas A&M University Algebra and Combinatroics Seminar, “A Magical Tour of Various Magic-Type Labelings”, October 2008
Southwestern University Math and Computer Science Seminar, “Something full of grace, followed by some real magic”, October 2007
SIU Combinatorics Seminar, “Labelings of directed graphs”, August 2006
SIU Combinatorics Seminar, “Graceful directed graphs”, March 2006
SIU Combinatorics Seminar, “Closed neighborhood anit-Sperner graphs”, April 2005
SIU Combinatorics Seminar, “On constant weight TSP labelings in Kn”, February 2006
Guest lecture in abstract algebra class at Murray State University, “Good times with groups and graphs”, March 2005