Proceedings of the American Mathematical Society, Vol. 146, No. 10 (October 2018), pp. 4421-4427 (7 pages) Julio Becerra Guerrero, Ginés López-Pérez, and Abraham Rueda Zoca, Big slices versus big ...
Symmetries play a fundamental role in our understanding of physics. It is widely believed that the most general symmetry transformations in quantum theory correspond to unitary or anti-unitary ...