Abstract
AbstractWe will gather some information on operators in Banach and Hilbert spaces. Throughout this chapter let X0, X1, and X2 be Banach spaces and H0, H1, and H2 be Hilbert spaces over the field
$$\mathbb {K}\in \{\mathbb {R},\mathbb {C}\}$$
𝕂
∈
{
ℝ
,
ℂ
}
.
Publisher
Springer International Publishing
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