Abstract
In this chapter we introduce and analyze an important class of Banach spaces consisting of functions, the so-called L p-spaces, where p is a parameter that specifies a particular space. First, in Section 5.1 we discuss some vector spaces and concepts that play a role in the analysis of the L p-spaces. In Section 5.2 we introduce the space L 1(\(\mathbb R\)), and show how to make it a normed space. Integration techniques in L 1(\(\mathbb R\)) are discussed in Section 5.3; in particular, we consider techniques for interchanging an integral and an infinite sum. For p∈]1,∞], the spaces L p(\(\mathbb R\)) are introduced in Section 5.4; their counterparts L p(a, b) concerning functions defined on a subinterval ]a, b[⊂ \(\mathbb R\) are discussed in Section 5.5.
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Christensen, O. (2010). The L p-spaces. In: Functions, Spaces, and Expansions. Applied and Numerical Harmonic Analysis. Birkhäuser Boston. https://doi.org/10.1007/978-0-8176-4980-7_5
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DOI: https://doi.org/10.1007/978-0-8176-4980-7_5
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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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