Abstract
We consider the space L2=L2(Ω,ℝn of all square-integrable functions x(t):Ω→ℝn. Recall that the norm and the inner product on ℝn are denoted by ❘·❘ and (·,·), respectively. In thir turn, the norm and the inner product on L2 is defined by the usual equality
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© 1995 Birkhäuser Verlag
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Krasnosel’skii, A.M. (1995). Two-sided estimates for nonlinearities. In: Asymptotics of Nonlinearities and Operator Equations. Operator Theory, vol 76. Birkhäuser Basel. https://doi.org/10.1007/978-3-0348-9082-3_2
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DOI: https://doi.org/10.1007/978-3-0348-9082-3_2
Publisher Name: Birkhäuser Basel
Print ISBN: 978-3-0348-9899-7
Online ISBN: 978-3-0348-9082-3
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