Welcome to my homepage! I am an Associate Professor in the Department of Mathematics of the University of Nebraska–Lincoln. My research interests are in discrete mathematics, particularly graph theory, combinatorics, probability, and algorithms.

More Information:

• Contact information and my curriculum vitae.
• Mathematics that I am interested in, as well as preprints of publications and mathematical data.
• Information about classes I am teaching, including Spring 2013 Math 852 Discrete Math II.
• Special Session on Extremal and Probabilistic Combinatorics at the AMS Central Section Meeting at UNL, Fall 2011.
• The course Math in the City, an interdisciplinary hands-on learning experience.
• Calendar of math department seminars. Info on seminar rooms.
• Discrete Math Seminar (archive of fall 2008 to fall 2011).
• The UNL Math Club and Pi Mu Epsilon student organizations.
• The Lincoln Area Math Teacher's Circle.
• Research Experience for Undergraduates (REU) for summer 2009.
• Research Experience for Graduate Students (REGS) at the University of Illinois at Urbana-Champaign.
• Information about computer topics, including math software and LaTeX.

To contact me, send email to hartke @ No . Spam . mäth . únl . edu (appropriately changed).