Motivated by a model in quantum computation, we study orthogonal sets of integral vectors of the same norm that can be extended with new vectors keeping the norm and the orthogonality. Our approach involves some arithmetic properties of the quaternions and other hypercomplex numbers.
机构:
Univ Paris Saclay, Univ Paris Sud, Lab Math Orsay, F-91405 Orsay, France
Hebrew Univ Jerusalem, Einstein Inst Math, IL-91904 Jerusalem, IsraelUniv Paris Saclay, Univ Paris Sud, Lab Math Orsay, F-91405 Orsay, France