Browsing by Author "Paul O Oleche, Naftali O Ongati, John O Agure"
Now showing items 1-1 of 1
-
The algebra of smooth functions of rapid descent
Paul O Oleche, Naftali O Ongati, John O Agure (JOOUST, 2009)A bounded operator with the spectrum lying in a compact set V ⊂ R, has C∞(V ) functional calculus. On the other hand, an operator H acting on a Hilbert space H, admits a C(R) functional calculus if H is self-adjoint. So ...