2015
DOI: 10.3934/dcds.2015.35.6031
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Basic estimates for solutions of a class of nonlocal elliptic and parabolic equations

Abstract: In this work we consider the problemswhere L is a nonlocal differential operator and Ω is a bounded domain in R N , with Lipschitz boundary. The main goal of this work is to study existence, uniqueness and summability of the solution u with respect to the summability of the datum f . In the process we establish an L p -theory, for p 1, associated to these problems and we prove some useful inequalities for the applications.2010 Mathematics Subject Classification. 45K05, 47G20, 35R09, 35D30, 35D35.

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Cited by 153 publications
(162 citation statements)
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“…We recall that according to [20,Theorem 26], for any u ∈ L 2 ((0, T ); H −s (−1, 1)) and z 0 ∈ L 2 (−1, 1), the system (2.1) admits a unique weak solution 1)). Moreover, if u ∈ L 2 (ω × (0, T )) and z 0 ≡ 0, then it has been shown in [5, Theorem 1.5] that z ∈ L 2 ((0, T ); H 2s loc (−1, 1)) ∩ L ∞ ((0, T ); H s 0 (−1, 1)) and z t ∈ L 2 ((−1, 1) × (0, T )).…”
Section: Preliminary Resultsmentioning
confidence: 99%
“…We recall that according to [20,Theorem 26], for any u ∈ L 2 ((0, T ); H −s (−1, 1)) and z 0 ∈ L 2 (−1, 1), the system (2.1) admits a unique weak solution 1)). Moreover, if u ∈ L 2 (ω × (0, T )) and z 0 ≡ 0, then it has been shown in [5, Theorem 1.5] that z ∈ L 2 ((0, T ); H 2s loc (−1, 1)) ∩ L ∞ ((0, T ); H s 0 (−1, 1)) and z t ∈ L 2 ((−1, 1) × (0, T )).…”
Section: Preliminary Resultsmentioning
confidence: 99%
“…Due to the nonlocality of the fractional Laplacian, several notions of regularity can be studied. The following results, which generalize the fractional regularity proved in [34,Theorem 24] with a different approach, can be seen as the counterpart of Proposition 3.1 to deal with (Q λ ) and ( Q λ ).…”
Section: Regularity Results For the Fractional Poisson Equationmentioning
confidence: 77%
“…See for instance [37, Chapter 5]. b) In the particular case of the fractional Laplacian of order s ∈ (1/2, 1) and for h ∈ L 1 (Ω), we improve the regularity results of [1,31,34]. Note however that in the three quoted papers the authors deal with more general operators and cover the full range s ∈ (0, 1).…”
Section: Regularity Results For the Fractional Poisson Equationmentioning
confidence: 80%
“…Moreover, for every φ ∈ T , there exists a constant β ∈ (0, 1) such that φ ∈ C 0,β (Ω). See [36,35,37]. It is easy to check that for u ∈ X s 0 (Ω) and φ ∈ T :…”
Section: Functional Framework and Main Resultsmentioning
confidence: 99%