My papers and talks

My math interests:

• Enumeration.
• Tilings.
• Sink-Free Orientations.
• Directed Graphs.
• Integer Sequences.
• Fibonacci, Catalan, and Schroeder Numbers.
• Error-Correcting Codes.
• Bijective Combinatorics.
• Gain Graphs.
• Theory of Determinants.
• Discrete Mathematical Models.
• Voting Theory.
• Combinatorial Designs.
• Operations Research.
• Computer Algorithms.
• Optimization.
• Number Theory.
• Talking about math.

My CV: (pdf) (html)

and from Job Search '04:
My Teaching Statement: (pdf)
My Research Statement: (pdf)