The singleton bound is a concept in extremal combinatorics that sets an upper limit on the size of a code in coding theory, based on the number of errors it can correct. This bound indicates the maximum number of codewords that can exist under certain constraints, highlighting how effectively information can be transmitted while minimizing errors. Understanding the singleton bound helps analyze the trade-offs between the size of the code and its error-correcting capabilities, which is critical for designing efficient coding systems and solving extremal problems.
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