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Positive selfadjoint extensions of positive symmetric subspaces

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References

  1. Ando, T., Nishio, K.: Positive selfadjoint extensions of positive symmetric operators. Tôhoku Math. J., II. Ser.22, 65–75 (1970)

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  2. Coddington, E.A.: Extension theory of formally normal and symmetric subspaces. Mem. Amer. Math. Soc.134 (1973)

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  4. Kato, T.: Perturbation Theory for Linear Operators. Berlin-Heidelberg-New York: Springer 1966

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  5. Krein, M.: Theory of selfadjoint extensions of semibounded Hermitian operators and its applications. I. Mat. Sbornik, n. Ser.20 (62), 431–495 (1947)

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Authors and Affiliations

  1. Mathematics Department, University of California, 90024, Los Angeles, CA, USA

    Earl A. Coddington

  2. Mathematisch Instituut, Rijksuniversiteit Groningen, Netherlands

    Hendrik S. V. de Snoo

Authors
  1. Earl A. Coddington
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  2. Hendrik S. V. de Snoo
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Additional information

The work of E.A. Coddington was supported in part by a grant of the National Science Foundation.

The work of H.S.V. de Snoo was supported by the Netherlands Organization for the Advancement of Pure Research (Z.W.O.)

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Coddington, E.A., de Snoo, H.S.V. Positive selfadjoint extensions of positive symmetric subspaces. Math Z 159, 203–214 (1978). https://doi.org/10.1007/BF01214571

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  • DOI: https://doi.org/10.1007/BF01214571

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