Positive operator valued measures covariant with respect to an irreducible representation

被引：27

作者：

Cassinelli, G

De Vito, E

Toigo, A

机构：

[1] Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy

[2] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy

[3] Univ Modena & Reggio Emilia, Dipartimento Matemat, I-41100 Modena, Italy

来源：

JOURNAL OF MATHEMATICAL PHYSICS | 2003年 / 44卷 / 10期

关键词：

D O I：

10.1063/1.1598277

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Given an irreducible representation of a group G, we show that all the covariant positive operator valued measures based on G/Z, where Z is a central subgroup, are described by trace class, trace one positive operators. (C) 2003 American Institute of Physics.

引用

页码：4768 / 4775

页数：8

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