2 papers
cs.IT2021
DNA codes over two noncommutative rings of order four
Jon-Lark Kim, Dong Eun Ohk
In this paper, we describe a new type of DNA codes over two noncommutative rings and of order four with characteristic 2. Our DNA codes are based on quasi self-dual codes o…
math.CO2018
Recent results on Choi's orthogonal Latin squares
Jon-Lark Kim, Dong Eun Ohk, Doo Young Park +1
Choi Seok-Jeong studied Latin squares at least 60 years earlier than Euler although this was less known. He introduced a pair of orthogonal Latin squares of order 9 in his book. In…