Liouville-type theorems for polyharmonic systems in RN
Liouville-type theorems for polyharmonic systems in RN
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DOI:
10.1016/j.jde.2005.10.016
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发表时间:
2006-06
影响因子:
2.4
通讯作者:
Jiaqun Liu;Yuxia Guo;Yajing Zhang
中科院分区:
文献类型:
--
作者:
Jiaqun Liu;Yuxia Guo;Yajing Zhang
In this note, we consider the polyharmonic system (−Δ)mu=vα, (−Δ)mv=uβin RNwith N>2m and α⩾1, β⩾1, where (−Δ)mis the polyharmonic operator. For 1/(α+1)+1/(β+1)>(N−2m)/N, we prove the non-existence of non-negative, radial, smooth solutions. For 1<α,β<(N+2m)/(N−2m), we show the non-existence of non-negative smooth solutions. In addition, for either (N−2m)β<Nα+2m or (N−2m)α<Nβ+2m with α,β>1, we show the non-existence of non-negative smooth solutions for polyharmonic system of inequalities (−Δ)mu⩾vα, (−Δ)mv⩾uβ. More general, we can prove that all the above results hold for the system (−Δ)mu=vα,(−Δ)nv=uβin RNwith N>max{2m,2n} and α⩾1, β⩾1.