International Journal of Mathematics and Mathematical Sciences
Volume 2003 (2003), Issue 70, Pages 4389-4397
doi:10.1155/S016117120321070X
Quadratic pairs in characteristic 2 and the Witt cancellation theorem
Mohamed Abdou Elomary
Département de Mathématiques, Université Catholique de Louvain, Louvain-La-Neuve 1348, Belgium
Abstract
We define the orthogonal sum of quadratic pairs and we show that there is no Witt cancellation theorem for this operation in characteristic 2.