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Article
The Operator (sgnx)d2dx2 is Similar to a Self-Adjoint Operator in L2(R)
Proceedings of the American Mathematical Society (1995)
  • Branko Ćurgus, Western Washington University
  • Branko Najman
Abstract

Krein space operator-theoretic methods are used to prove that the operator (sgn χ) d2/dχ2 is similar to a selfadjoint operator in the Hilbert space L2(R).

Keywords
  • Krein space,
  • Hilbert space
Disciplines
Publication Date
1995
Publisher Statement
Article copyright: © Copyright 1995 American Mathematical Society DOI: http://dx.doi.org/10.1090/S0002-9939-1995-1223513-X
Citation Information
Branko Ćurgus and Branko Najman. "The Operator (sgnx)d2dx2 is Similar to a Self-Adjoint Operator in L2(R)" Proceedings of the American Mathematical Society Vol. 123 Iss. 4 (1995)
Available at: http://works.bepress.com/branko_curgus/47/