%0 Journal Article %A Theo Johnson-Freyd %T The Quaternions and Bott Periodicity Are Quantum Hamiltonian Reductions %J Symmetry, integrability and geometry: methods and applications %D 2016 %V 12 %U http://geodesic.mathdoc.fr/item/SIGMA_2016_12_a115/ %G en %F SIGMA_2016_12_a115