Extremal decision rules in quantum hypothesis testing

被引:38
作者
Parthasarathy, KR [1 ]
机构
[1] Indian Inst Technol, New Delhi 110016, India
关键词
D O I
10.1142/S0219025799000321
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We present a complete description of the extreme points of the convex set of all decision rules in testing multiple hypotheses concerning a quantum system whose states are described by density matrices in a finite-dimensional Hilbert space. Holevo's equations for an optimal decision are derived by methods of elementary calculus and a simple example is given in order to illustrate the nonuniqueness of optimal decision rules.
引用
收藏
页码:557 / 568
页数:12
相关论文
共 8 条
[1]  
Helstrom C.W, 1976, MATH SCI ENG SERIES
[2]  
Holevo A. S., 1974, Probl. Inf. Transm., V10, P51
[3]  
HOLEVO AS, 1982, PROBABILISTIC STAT A
[4]  
LUENBERGER D. G., 1969, Optimization by Vector Space Methods
[5]   Extreme points of the convex set of stochastic maps on a C*-algebra [J].
Parthasarathy, KR .
INFINITE DIMENSIONAL ANALYSIS QUANTUM PROBABILITY AND RELATED TOPICS, 1998, 1 (04) :599-609
[6]  
PARTHASARATHY KR, 1998, WORKSH QUANT PROB I
[7]  
Rockafellar R., 1972, CONVEX ANAL
[8]   OPTIMUM TESTING OF MULTIPLE HYPOTHESES IN QUANTUM DETECTION THEORY [J].
YUEN, HP ;
KENNEDY, RS ;
LAX, M .
IEEE TRANSACTIONS ON INFORMATION THEORY, 1975, 21 (02) :125-134