Publications [#235800] of Robert Calderbank

Journal articles or Book chapters PUBLISHED

1. Calderbank, AR, Covering radius and the chromatic number of Kneser graphs, Journal of Combinatorial Theory Series A, vol. 54 no. 1 (January, 1990), pp. 129-131, Elsevier BV, ISSN 0097-3165 [doi]
   (last updated on 2026/01/20)

   Abstract:
   Let C be a binary linear code with covering radius R and let C0 be a subcode of C with codimension i. We prove that the covering radius R0 of C satisfies R0 ≤ 2R + 2ⁱ - 1, by setting up a graph coloring problem involving Kneser graphs. © 1990.