Positive operator valued measures covariant with respect to an Abelian group
Quantum Physics
2007-05-23 v1
Abstract
Given a unitary representation of an Abelian group and a subgroup , we characterise the positive operator valued quotient group and covariant with respect to .
Keywords
Cite
@article{arxiv.quant-ph/0212147,
title = {Positive operator valued measures covariant with respect to an Abelian group},
author = {G. Cassinelli and E. De Vito and A. Toigo},
journal= {arXiv preprint arXiv:quant-ph/0212147},
year = {2007}
}
Comments
17 pages (latex2e with amsart.cls and amsmath package)