Proofs Using the Commutant Lifting Theorem
This chapter contains the proofs of the operator-valued interpolation theorems introduced in the previous chapter. The proofs are based on the commutant lifting theorem which is stated for convenience in the first section. In Chapter IV the commutant lifting theorem will be revisited in more detail, and a constructive proof of this theorem will be given there.
KeywordsInvariant Subspace Bounded Linear Operator Operator Matrix Interpolation Problem Hankel Operator
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