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1. INTRODUCTION Let H be a complex separable Hilbert space and B(H) the algebra of all bounded operators on H. We say that A [member of] B(H) is a positive operator if (Ax, x) [greater than or equal to] 0 for all x [member of] H, denoted by A [greater than or equal to] 0. The absolute value of A [member of] B(H) is denoted by [absolute value of A] = [([A.sup.*] A).sup.1/2].

GENRE
Science & Nature
RELEASED
2010
January 1
LANGUAGE
EN
English
LENGTH
11
Pages
PUBLISHER
Tusi Mathematical Research Group
SELLER
The Gale Group, Inc., a Delaware corporation and an affiliate of Cengage Learning, Inc.
SIZE
66.1
KB