Schedule for Saturday October 26th, 1996

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Schedule for Saturday October 26th

10am Hermann Servatius; Doubly Periodic Self-dual graphs and tilings; Abstract available

11:10am Joan Hutchinson (Macalister) Some 3- and 4-color theorems for the plane, the projective plane, and the torus; or Variations on some themes of Heawood and Hadwiger. Abstract available

12:30pm Lunch

2:00pm Lenore Cowen (Johns Hopkins)Favorite Coloring Relaxations Abstract available

3:10pm Bruce Kitchens (IBM) Two combinatorial problems from symbolic dynamics; Abstract available