On the construction of weighing matrices using negacyclic matrices.

发布时间：2021-04-07 作者：浏览次数：

Speaker:	Tianbing Xia 教授	DateTime:	2021年4月9日(周五)上午11:00-12:00
Brief Introduction to Speaker: Tianbing Xia 教授，School of Computing and Information Technology,University of Wollongong,Australia.		Place:	腾讯会议（会议号请联系左国新老师索取）
Abstract:We construct weighing matrices by 2-suitable negacyclic matrices, and study the conjecture by J.S. Wallis in 1972 that “For every n ≡ 2 ( mod 4), there exist weighing matrices W(2n, w) constructed from two circulant / negacyclic (0,±1) matrices of order n for every 0