64 citations · 127 across the 14 of their papers we have counts for
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math.CO2016
Improved upper bound on A(18,8)
Sven Polak
For nonnegative integers and , let be the maximum cardinality of a binary code of length and minimum distance at least . We consider a slight sharpening of t…
math.CO2016★ 1 cited
New nonbinary code bounds based on divisibility arguments
Sven Polak
For , let be the maximum size of a code with minimum distance at least . We give a divisibility argument resulting in the ne…
math.CO2016★ 26 cited
Semidefinite bounds for nonbinary codes based on quadruples
Bart Litjens, Sven Polak, Alexander Schrijver
For nonnegative integers , let denote the maximum cardinality of a code of length over an alphabet with letters and with minimum distance at least $…