# Bulletin of the ICA

## Volume 49, January, 2007

** News**
** Announcements**
** David Kravitz**, "Two Comments on Minimum Spanning Trees", pp. 7-10
** Dean Hoffman, Peter Johnson, Kevin Lin, John McSorley, Caleb Petrie and Luc Teirlinck**, "There Are No Non-Trivially Uniformly (t,r)-Regular Graphs for t > 2", pp. 11-14
** Spencer P. Hurd and Dinesh G. Sarvate**, "An Edge-Coloring Problem For Designs", pp. 15-20
** J.W. Moon and Laura L.M. Yang**, "Postnikov Identities and Seo's Formulas", pp. 21-31
** Atif Abueida and Theresa O'Neil**, "Multidecomposition of λK_{m} into Small Cycles and Claws", pp. 32-40
** Mary Radcliffe and Ping Zhang**, "Irregular Colorings of Graphs", pp. 41-59
** Bulletin Policy**
** Abdollah Khodkar, DoostAli Mojdeh and Adel P. Kazemi**, "Domination in Harary Graphs", pp. 61-78
** Adrian Riskin**, "The Biplanar Crossing Number of C^{4}_{n}", pp. 79-85
** Heather Jordon and John Gimbel**
** S. Ramachandran and S. Monikandan**, "A Weaker Form Of Ulam's Conjecture", pp. 87-92
** Ian Anderson and D.A. Preece**, "Two Special Terraces for Z_{121}", pp. 93-98
** A. Krzysztof Kwasniewski**, "New type Stirling like numbers - an email style letter", pp. 99-102
** Recent Conferences**