2015
DOI: 10.1090/tran/6351
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Liouville properties for 𝑝-harmonic maps with finite 𝑞-energy

Abstract: Abstract. We introduce and study an approximate solution of the p-Laplace equation, and a linearlization L ǫ of a perturbed p-Laplace operator. By deriving an L ǫ -type Bochner's formula and Kato type inequalities, we prove a Liouville type theorem for weakly p-harmonic functions with finite p-energy on a complete noncompact manifold M which supports a weighted Poincaré inequality and satisfies a curvature assumption. This nonexistence result, when combined with an existence theorem, yields in turn some inform… Show more

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Cited by 24 publications
(15 citation statements)
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“…maps to R) that can give is some orientation. It has been proven recently by Chang, Chen, and Wei [CCW,Lemma 5.4] and reads |∇Du| 2 ≥ (1 +κ)|D|Du|| 2 , where herẽ κ := min{ (p−1) 2 m−1 , 1}, and m is the domain dimension. We do not see how the proof could carry over to the S 3 -valued case, but we do get some improvement of Kato's inequality, which is probably not optimal, but for p ց 2 reproduces Okayasu's result.…”
Section: Dimension Reduction For the Singular Setmentioning
confidence: 99%
“…maps to R) that can give is some orientation. It has been proven recently by Chang, Chen, and Wei [CCW,Lemma 5.4] and reads |∇Du| 2 ≥ (1 +κ)|D|Du|| 2 , where herẽ κ := min{ (p−1) 2 m−1 , 1}, and m is the domain dimension. We do not see how the proof could carry over to the S 3 -valued case, but we do get some improvement of Kato's inequality, which is probably not optimal, but for p ց 2 reproduces Okayasu's result.…”
Section: Dimension Reduction For the Singular Setmentioning
confidence: 99%
“…, p > 1, they become p-harmonic maps, or harmonic maps if p = 2) (see Theorem 10.1). In contrast to the work of Chang et al [8] on Liouville properties for a p-harmonic morphism or a p-harmonic function on a manifold that supports a weighted Poincaré inequality, we have Liouville theorems for p-harmonic maps (see Theorem 10.2).…”
Section: )mentioning
confidence: 61%
“…For the case p = 2 our characterization of the equality cases seems to be new. However, refined Kato's inequalities for p-harmonic functions are provided also in [11].…”
Section: Proof Of Theorem 34mentioning
confidence: 99%