Approximation by positive operators
Author:
Publisher
Springer Science and Business Media LLC
Subject
General Mathematics
Link
http://link.springer.com/content/pdf/10.1007/BF01174903.pdf
Reference4 articles.
1. Berberian, S.K.: Approximate proper vectors. Proc. Amer. math. Soc.13, 111?114 (1962).
2. Bouldin, R.: Positive approximants. Trans. Amer. math. Soc. (to appear).
3. Douglas, R.G.: On majorization, factorization and range inclusion of operators in Hilbert space. Proc. Amer. math. Soc.17, 412?416 (1966).
4. Halmos, P.R.: Positive approximants of operators. Indiana Univ. math. J.21, 951?961 (1972).
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