On the nonnegativity of operator products

Acta Mathematica Hungarica

Volumn 109, Issue 1-2, 2005, Pages 1-14

  Hassi, S ^a,b   Sebestyen Z ^a,c   De Snoo, H S V ^a,d  

^a University of Vaasa ^*

^b UNIVERSITY OF VAASA   (Finland)

^c EÖTVÖS LORÁND UNIVERSITY   (Hungary)

^d UNIVERSITY OF GRONINGEN   (Netherlands)

Author keywords

Friedrichs extension; Kre n von Neumann extension; Nonnegative operator; Product of operators; Selfadjoint operator; Symmetric operator

Indexed keywords

EID: 27844444306     PISSN: 02365294     EISSN: 15882632     Source Type: Journal    
DOI: 10.1007/s10474-005-0231-x     Document Type: Review

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