M. Harada

activity

20082023

most citedBinary linear complementary dual codes

56 citations · 269 across the 60 of their papers we have counts for

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Showing 2015 · math.COShow all

9 papers · 2 filters

math.CO2015★ 5 cited

On $s$ -extremal singly even self-dual $[24 k + 8, 12 k + 4, 4 k + 2]$ codes

Masaaki Harada, Akihiro Munemasa

A relationship between $s$ -extremal singly even self-dual $[24 k + 8, 12 k + 4, 4 k + 2]$ codes and extremal doubly even self-dual $[24 k + 8, 12 k + 4, 4 k + 4]$ codes with covering radius meeting the…

math.CO2015

On the classification of certain ternary codes of length 12

Makoto Araya, Masaaki Harada

Shimada and Zhang studied the existence of polarizations on some supersingular $K 3$ surfaces by reducing the existence of the polarizations to that of ternary $[12, 5]$ codes satisf…

math.CO2015★ 11 cited

New self-dual additive $F_{4}$ -codes constructed from circulant graphs

Markus Grassl, Masaaki Harada

In order to construct quantum $[[n, 0, d]]$ codes for $(n, d) = (56, 15)$ , $(57, 15)$ , $(58, 16)$ , $(63, 16)$ , $(67, 17)$ , $(70, 18)$ , $(71, 18)$ , $(79, 19)$ , $(83, 20)$ , $(87, 20)$ , $(89, 21)$ , $…

math.CO2015★ 3 cited

On the classification of self-dual [20,10,9] codes over GF(7)

Masaaki Harada, Akihiro Munemasa

It is shown that the extended quadratic residue code of length 20 over GF(7) is a unique self-dual [20,10,9] code C such that the lattice obtained from C by Construction A is isomo…

math.CO2015★ 1 cited

On the classification of self-dual $Z_{k}$ -codes II

Masaaki Harada, Akihiro Munemasa

In this short note, we report the classification of self-dual $Z_{k}$ -codes of length $n$ for $k \leq 24$ and $n \leq 9$ .

math.CO2015

On binary codes related to mutually quasi-unbiased weighing matrices

Masaaki Harada, Sho Suda

Some mutually quasi-unbiased weighing matrices are constructed from binary codes satisfying certain conditions. Motivated by this, in this note, we study binary codes satisfying th…

On s-extremal singly even self-dual [24k+8,12k+4,4k+2] codes

On the classification of certain ternary codes of length 12

New self-dual additive F4​-codes constructed from circulant graphs

On the classification of self-dual [20,10,9] codes over GF(7)

On the classification of self-dual Zk​-codes II

On binary codes related to mutually quasi-unbiased weighing matrices

On $s$ -extremal singly even self-dual $[24 k + 8, 12 k + 4, 4 k + 2]$ codes

New self-dual additive $F_{4}$ -codes constructed from circulant graphs

On the classification of self-dual $Z_{k}$ -codes II