Math @ Duke

Publications [#235800] of Robert Calderbank
Papers Published
 Calderbank, AR, Covering radius and the chromatic number of Kneser graphs,
Journal of Combinatorial Theory, Series A, vol. 54 no. 1
(1990),
pp. 129131, ISSN 00973165 [doi]
(last updated on 2017/12/18)
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.


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