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math.CO2012★ 1 cited
On the Existence of Extremal Type II Z2k-Codes
Masaaki Harada, Tsuyoshi Miezaki
For lengths 8,16 and 24, it is known that there is an extremal Type II Z2k-code for every positive integer k. In this paper, we show that there is an extremal Type II Z2k-code of l…
math.CO2012
There is no [21, 5, 14] code over F5
Makoto Araya, Masaaki Harada
In this note, we demonstrate that there is no [21, 5, 14] code over F5.