CGTC IV Talks, Day 3

The last round of talks just happened!  They were great again!  Here are my summaries. Dana Ernst: "Impartial Geodetic Convexity Achievement and Avoidance Games on Graphs" Joint work with: B. Benesh, M. Meyer, S. Salmon, and N. Sieben.  Dana, who also spent time teaching at Plymouth State University, talked about impartial games on graph subsets that contain all shortest paths between vertices in the subset.  The games deal with alternating adding vertices to a set and either avoiding a set that