Liouville Type Theorems for PDE and IE Systems Involving Fractional Laplacian on a Half Space

  • Wei Dai
  • , Zhao Liu
  • , Guozhen Lu*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, let α be any real number between 0 and 2, we study the Dirichlet problem for semi-linear elliptic system involving the fractional Laplacian:(Formula presented.) We will first establish the equivalence between PDE problem (1) and the corresponding integral equation (IE) system (Lemma 2). Then we use the moving planes method in integral forms to establish our main theorem, a Liouville type theorem for the integral system (Theorem 3). Then we conclude the Liouville type theorem for the above differential system involving the fractional Laplacian (Corollary 4).

Original languageEnglish
Pages (from-to)569-588
Number of pages20
JournalPotential Analysis
Volume46
Issue number3
DOIs
StatePublished - 1 Mar 2017

Keywords

  • Dirichlet problem
  • Half space
  • Liouville type theorem
  • Method of moving planes in integral forms
  • Nonexistence
  • Rotational symmetry
  • The fractional Laplacian

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