2002/09/30 by A. I. Nesterov, F. Aceves de la Cruz
Physics and Astronomy · #hep-th
published as Rev.Mex.Fis. 49S2 (2003) 134-136 · To appear in Proceedings of "IV Taller de la Division de Gravitacion y Fisica Matematica". Misprints corrected, references and acknowledgments added
arxiv created 2002/10/09 · arxiv updated 2009/11/30
There are several mathematical and physical reasons why Dirac's quantization must hold. How far one can go without it remains an open problem. The present work outlines a few steps in this direction.