Keita Ishizuka

According to our database, Keita Ishizuka authored at least 7 papers between 2019 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

Hadamard matrices of order 36 formed by codewords in some ternary self-dual codes.

Masaaki Harada, Keita Ishizuka

Discret. Math., January, 2024

2023

Construction of quaternary Hermitian LCD codes.

Keita Ishizuka

Cryptogr. Commun., March, 2023

Ternary extremal four-negacirculant self-dual codes.

Masaaki Harada, Keita Ishizuka, Hadi Kharaghani

CoRR, 2023

Construction for both self-dual codes and LCD codes.

Keita Ishizuka, Ken Saito

Adv. Math. Commun., 2023

2022

On the existence of quaternary Hermitian LCD codes with Hermitian dual distance 1.

Keita Ishizuka, Ken Saito

Discret. Math., 2022

2020

Classification of optimal quaternary Hermitian LCD codes of dimension 2.

Keita Ishizuka

CoRR, 2020

2019

Developing a Multi-Platform Speech Recording System Toward Open Service of Building Large-Scale Speech Corpora.

Keita Ishizuka, Takashi Nose

CoRR, 2019