4:00 p.m. Theshold Digraphs. James Shook*, National Institute of Standards and Technology
Brian Cloteaux, National Institute of Standards and Technology
Elizabeth Moseman, National Institute of Standards and Technology
M Drew LaMar, The College of William and Mary
(1087-05-200)
4:30 p.m. Characterization of $K_{2,4}$-minor-free graphs. Mark Ellingham, Vanderbilt University
Emily Marshall*, Vanderbilt University
Kenta Ozeki, National Institute of Informatics, Japan
Shoichi Tsuchiya, Tokyo University of Science, Japan
(1087-05-98)
8:00 a.m. Short proofs of coloring theorems on planar graphs. Oleg V. Borodin, Sobolev Institute of Mathematics and Novosibirsk State University
Alexandr V. Kostochka, University of Illinois at Urbana-Champaign and Sobolev Institute of Mathematics
Bernard Bernard Lidický*, University of Illinois at Urbana-Champaign
Matthew Yancey, University of Illinois at Urbana-Champaign
(1087-05-201)
9:30 a.m. Forbidden subgraphs and 3-coloring. Genghua Fan, Center for Discrete Mathematics and Computer Science, Fuzhou University
Baogang Xu, Nanjing Normal University
Tianjun Ye, Georgia Institute of Technology
Xingxing Yu*, Georgia Institute of Technology
(1087-05-211)
5:30 p.m. Well-covered planar quadrangulations. Michael D. Plummer*, Vanderbilt University
Arthur S. Finbow, St. Mary's University
Bert L. Hartnell, St. Mary's University
(1087-05-136)