Abstract
Let C be a code (or a design or a graph) with some parameters. Let A be a subset of C. If the set C′ = (C \ A) ∪ B is a code (a design or a graph) with the same parameters as C we say that C′ is obtained from C by a switching. Special switchings for perfect binary codes are considered. A survey of all nontrivial properties of perfect codes given by the switching approach is presented. Some open questions are discussed.
This research was supported by the Russian Foundation for Basic Research under grant 97-01-01104
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Dedicated to Rudolf Ahlswede on the occasion of his 60th birthday
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Solov’eva, F.I. (2000). Switchings and Perfect Codes. In: Althöfer, I., et al. Numbers, Information and Complexity. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-6048-4_25
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DOI: https://doi.org/10.1007/978-1-4757-6048-4_25
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