[[!redirects Leinster on complex numbers]] ## References * [[Marcelo Fiore]], [[Tom Leinster]], An objective representation of the Gaussian inte- gers. E-print math.[arXiv:math/0211454v2](http://arxiv.org/abs/math/0211454v2) * [[Marcelo Fiore]], [[Tom Leinster]], objects of categories as complex numbers, [arXiv:math/0212377v1](http://arxiv.org/abs/math/0212377v1)