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Positive Linear Maps on C*-Algebras

Open access
Choi, Man-Duen·1972·Canadian Journal of Mathematics

Abstract

The objective of this paper is to give some concrete distinctions between positive linear maps and completely positive linear maps on C*-algebras of operators. Herein, C*-algebras possess an identity and are written in German type . Capital letters A, B, C stand for operators, script letters for vector spaces, small letters x, y, z for vectors. Capital Greek letters Φ, Ψ stand for linear maps on C*-algebras, small Greek letters α, β, γ for complex numbers. We denote by the collection of all n × n complex matrices. () = ⊗ is the C*-algebra of n × n matrices over .

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Research works printed but not linked: 5

  1. Berberian, 1962, Proc. Amer. Math. Soc., Approximate proper vectors, 13, 111
  2. Arveson, 1969, Acta Math., Subalgebras of C*-algebras, 123, 141
  3. Stinespring, 1955, Proc. Amer. Math. Soc., Positive functions on C*-algebras, 6, 211
  4. Halmos, 1967, A Hilbert space problem book
  5. Stormer, 1963, Acta Math., Positive linear maps of operator algebras, 110, 233

Cited by

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Metadata

Authors
Choi, M.-D.
Venue
Canadian Journal of Mathematics
Published
1972-06
Volume
24
Issue
3
Pages
520-529
ISSN
  • 0008-414X (ISSN-L)
  • 1496-4279
OpenAlex
W2588911661
Cited by
240
References
0
FWCI
0.94
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Positive Linear Maps on C*-Algebras. https://app.cochat.ai/papers/10.4153/cjm-1972-044-5
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Choi, M.-D. (1972). Positive Linear Maps on C*-Algebras. Canadian Journal of Mathematics. https://doi.org/10.4153/cjm-1972-044-5

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.