Positive decompositions of selfadjoint operators

Given a linear bounded selfadjoint operator a on a complex separable Hilbert space H, we study the decompositions of a as a difference of two positive operators whose ranges satisfy an angle condition. These decompositions are related to the canonical decompositions of the indefinite metric space (H...

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Detalles Bibliográficos
Autores principales: Fongi, G., Maestripieri, A.
Formato: JOUR
Materias:
Congruence of operators
Indefinite metric spaces
Selfadjoint operators
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_0378620X_v67_n1_p109_Fongi
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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