Abstract
Banach spaces form a special class of normed vector spaces. Compared with other normed spaces, Banach spaces have the advantage that it is easier to check that a sequence of vectors in the space is convergent. We give the formal definition of a Banach space in Section 3.1. As example of a Banach space we consider the set of continuous functions on a closed and bounded interval. Other important Banach spaces, the sequence spaces \(\ell^p(\mathbb{N})\), are introduced in Section 3.2. In Section 3.3 we continue the analysis of bounded linear operators initiated in Section 2.4.
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Christensen, O. (2010). Banach Spaces. In: Functions, Spaces, and Expansions. Applied and Numerical Harmonic Analysis. Birkhäuser Boston. https://doi.org/10.1007/978-0-8176-4980-7_3
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DOI: https://doi.org/10.1007/978-0-8176-4980-7_3
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Publisher Name: Birkhäuser Boston
Print ISBN: 978-0-8176-4979-1
Online ISBN: 978-0-8176-4980-7
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