Preface ? Highlights of Dijen Ray-Chaudhuri's research
K. T. Arasu, Henk D. L. Hollmann, Kevin Player, and Qing Xiang: On the p-ranks of GMW difference sets ? Sejeong Bang and Sung-Yell Song: Characterization of maximal rational circulant association schemes ? Michel Deza: Face-regular polyhedra and tilings with two combinatorial types of faces ? John F. Dillon: Geometry, codes and difference sets: exceptional connections ? Jeffrey H. Dinitz and Douglas R. Stinson: A singular direct product for bicolorable Steiner triple systems ? Dominic Elvira and Yutaka Hiramine: On semi-regular relative difference sets in non-abelian p-groups ? Nick Fiala: Every l-design on 6p + 1 points is type-1 ? Christian Fremuth-Paeger and Dieter Jungnickel: An introduction to balanced network flows ? Derek W. Hein and Yury J. Ionin: On the l-design conjecture for n = 5p+1 points ? Hadi Kharaghani and Vladimir D. Tonchev: On a class of twin balanced incomplete block designs ?Jon-Lark Kim and Vera Pless: Decoding some doubly-even self-dual [32,16,8] codes by hand ? Donald L. Kreher and Rolf S. Rees: On the maximum size of a hole in an incomplete t-wise balanced design with specified minimum block size ? Warwick de Launey: On a family of cocyclic Hadamard matrices ? Akihiro Munemasa: A mass formula for Type II codes over finite fields of characteristic two ? Erin J. Schram: A posteriori probability decoding through the discrete Fourier transform and the dual code ? Mohan Shrikhande: Subdesigns of symmetric designs ? Irfan Siap: Linear codes over F2+uF2 and their complete weight enumerators ? N. J. A. Sloane: On single-deletion-correcting codes ? Zhe-Xian Wan: Critical problems in finite vector spaces ? Richard M. Wilson: Existence of Steiner systems that admit automorphisms with large cycles ? Andrew J. Woldar: Rainbow graphs
