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Positivity

, Volume 7, Issue 4, pp 297–302 | Cite as

Nonexistence in General of a Definitizing Ideal of the Desired Codimension

  • Torben Maack Bisgaard
  • Horia Cornean
Article

Keywords

Fourier Analysis Operator Theory Potential Theory Definitizing Ideal 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 1.
    C. Berg, J. P. R. Christensen and P. Ressel, Harmonic Analysis on Semi-groups, Springer-Verlag, Berlin, 1984.Google Scholar
  2. 2.
    T. M. Bisgaared, On the number of negative squares of certain matrices, functions, and linear forms, submitted to Colloquium Math. (2000).Google Scholar
  3. 3.
    Z. Sasvári,Positive Definite and Definitizable Functions, Akademie-Verlag, Berlin, 1994.Google Scholar
  4. 4.
    M. Thill, Exponentially bounded indefinite functions, Math. Ann. 285 (1989), 297–307.Google Scholar

Copyright information

© Kluwer Academic Publishers 2003

Authors and Affiliations

  • Torben Maack Bisgaard
    • 1
  • Horia Cornean
    • 2
  1. 1.Frederiksberg CDenmark
  2. 2.Department of Mathematical SciencesAalborg ØDenmark

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