Abstract
In this chapter we collect some preliminary results that we will use throughout the rest of the book, such as Fréechet derivatives, superposition operators and eak and classical solutions of linear elliptic equations and their eigenvalues. Sobolev function spaces are also outlined, although a more complete treatment is postponed until Appendix A.
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© 2011 Springer Science+Business Media, LLC
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Ambrosetti, A., Arcoya, D. (2011). Preliminaries. In: An Introduction to Nonlinear Functional Analysis and Elliptic Problems. Progress in Nonlinear Differential Equations and Their Applications, vol 82. Birkhäuser Boston. https://doi.org/10.1007/978-0-8176-8114-2_1
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DOI: https://doi.org/10.1007/978-0-8176-8114-2_1
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Publisher Name: Birkhäuser Boston
Print ISBN: 978-0-8176-8113-5
Online ISBN: 978-0-8176-8114-2
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