题目:Z_2Z_4-additive quasi-cyclic codes
主讲人:施敏加 教授
时间:2022年4月11日(周一)上午11:00
地点:腾讯会议(会议号833407454)
主办单位:必赢242net
主讲人简介:施敏加,安徽大学数学科学学院副院长,教授、博士生导师,先后入选第二届“安徽省青年数学奖”,安徽省杰出青年基金支持计划,安徽省学术与技术带头人和安徽大学英才计划,荣获安徽省自然科学一等奖和安徽省自然科学二等奖各一项,并获教育部宝钢优秀教师奖。主持国家自然科学基金4项,安徽省自然科学基金杰出青年基金等省部级重点项目多项。在Elsevier 出版社和World Scientific出版社出版英文学术专著2部,在IEEE TIT, DCC, FFTA等国内外权威学术期刊上发表期刊论文100余篇,研究成果入选《世界简明编码理论百科全书》和ESI高被引论文,曾应邀访问新加坡、法国、俄罗斯等国家。
摘要:We study the codes of the title by the CRT method, that decomposes such codes into constituent codes, which are shorter codes over larger alphabets. Criteria on these constituent codes for self-duality and linear complementary duality of the decomposed codes are derived. The special class of the one-generator codes is given a polynomial representation and exactly enumerated. In particular, we present some illustrative examples of binary linear codes derived from the $\Z_2\Z_4$-additive quasi-cyclic codes that meet the Griesmer bound with equality.