Ngày tải lên :
22/06/2014, 19:20
... functions, and scalar multiplication given by (α f )(x) = α f (x) for α ∈ C, f ∈ ᐅ, and x ∈ X (2) Whenever f ,g ∈ ᐅ and f (x) = g(x) for all x ∈ X, we have that f = g (3) Whenever f ,g ∈ ᐅ,x, y ∈ X, and ... by d(z,A), and we say that z→A if and only if d(z,A)→0 Let D be a bounded domain in Cn , and suppose that ψ : D→C We say that ψ is bounded away from zero toward the boundary of D if and only if ... Caughran and H J Schwartz, “Spectra of compact composition operators, ” Proceedings of the American Mathematical Society, vol 51, no 1, pp 127–130, 1975 [2] C C Cowen and B D MacCluer, Composition Operators...