# Bulletin of the ICA

## Volume 47, May, 2006

** News**
** Announcements**
** Euler, Hall, and Kirkman Medals**
** Lorenzo Traldi**, "Dice games and Arrow's theorems", pp. 19-22
** Marco Buratti and Anita Pasotti**, "Graph decompositions with the use of difference matrices", pp. 23-32
** William Staton and Benton Tyler**, "On the Extremal Question for Odd Girth", pp. 33-36
** Arthur T. Benjamin and Carl R. Yerger**, "Combinatorial Interpretations of Spanning Tree Identities", pp. 37-42
** C.C. Lindner and A. Rosa**, "Reaction Graphs of the K_{4}-e Design of Order 6", pp. 43-47
** Terry A. McKee**, "Chords and Connectivity", pp. 48-52
** Stanislaw P. Radziszowski and Kung-Kuen Tse**, "Note: Computation of the Ramsey Number R(W_{5},K_{5})", pp. 53-57
** Ronald J. Gould and Emily A. Hynds**, "A Note on 2-Factors in Line Graphs", pp. 58-62
** D. Mojdeh, H. Abdollahzadeh Ahangar, A. Ahmadi Haji and Abdollah Khodkar**, "The Graph K_{2,2,r} has the property M(3) for 4 ≤ r ≤ 8", pp. 63-70
** Glenn H. Hurlbert and Benjamin Munyan**, "Cover Pebbling Hypercubes", pp. 71-76
** Elizabeth J. Billington and C.C. Lindner**, "Perfect triple configurations from subgraphs of K_{4}: the remaining cases", pp. 77-90
** Recent Conferences**