# Bulletin of the ICA

## Volume 58, January, 2010

** News**
** Announcements**
** Linda Eroh, John Koker, Hossien Moghadam and Steven J. Winters**, "Edge-Deleted Eccentricinties of Graphs", pp. 6-16
** J. Gani and L. Stals**, "Models for the interaction of HIV infectives with AIDS patients", pp. 17-28
** Futaba Okamoto, Ebrahim Salehi and Ping Zhang**, "A Checkerboard Problem and Modular Colorings of Graphs", pp. 29-47
** Aparna Lakshmanan S. and A. Vijayakumar**, "On weakly clique irreducible graphs", pp. 48+58
** Catherine Castleberry, Katie Hunsberger and Keith E. Mellinger**, "LDPC codes aring from hyperovals", pp. 59-72
** C. Moolsombut and W. Hemakul**, "On Sarvate-Beam Group Divisible Designs", pp. 73-78
** Jeffrey Burkert**, "Simple Bounds on the Numbers of Binary Huffman Sequences", pp. 79-82
** P. Mark Kayll, Jennifer McNulty and James Mihalisin**, "Magic squares and antimagic graphs", pp. 83-93
** S.A. Wahid**, "Perfect matchings in the Square Lattice A_{5n}", pp. 94-98
** Douglas R. Woodall**, "More elementary lower bounds on the matching number of a bipartite graph", pp. 99-102
** William Kocay**, "A Note on the Georges Configuration and a Paper of Grunbaum", pp. 103-111
** Ebrahim Salehi**, "PC-Labeling of a Graph and its PC-Set", pp. 112-121
** Recent conferences**