Session 17

8:30-8:50 Coloring with Defect

Lenore J. Cowen, Johns Hopkins University; Wayne Goddard, University of Natal, South Africa; and C. Esther Jesurum, Massachusetts Institute of Technology

8:55-9:15 Approximation Algorithms for the Achromatic Number

Amitabh Chaudhary and Sundar Vishwanathan, Indian Institute of Technology, India

9:20-9:40 The Growth Rate of Vertex-Transitive Planar Graphs

Lászlo Babai, University of Chicago

9:45-10:05 Practical Toroidality Testing

Eugene Neufeld and Wendy Myrvold, University of Victoria, Canada

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