a Max-Planck-Institut für Mathematik, 53111 Bonn, Germany b Razmadze Mathematical Institute, Tbilisi 0193, Georgia c Department of Mathematics, University of Leicester, University Road, Leicester LE1 7RH, United Kingdom
Abstract:
Square groups are quadratic analogues of abelian groups. Many properties of abelian groups are shown to hold for square groups. In particular, there is a symmetric monoidal tensor product of square groups generalizing the classical tensor product.