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Article | REF: AF1223 V1

Functional bases of numerical analysis

Author: Claude BREZINSKI

Publication date: April 10, 2013

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4. Hahn-Banach theorem

Let X and Y be two vector spaces and T a linear operator from X into Y, with domain of definition . When inclusion is strict, the problem arises of extending T to a larger domain.

Definition 1

Let T 1 and T 2 be two linear operators of domains D 1 and D 2 ...

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