ML Arias, G Corach, MC Gonzalez - 2009 - notablesdelaciencia.conicet.gov.ar
Given a bounded positive linear operator A on a Hilbert space H we consider the semi-
Hilbertian space (H,<,> _A), where< ℇ, n> _A=< Aℇ, n>. On the other hand, we consider the …