Nonexistence for higher order evolution inequalities with Hardy potential in RN
Journal of Mathematical Analysis and Applications(2024)
摘要
We study the nonexistence of nontrivial weak solutions to evolution inequalities of the form{∂tku−Δu+λ|x|2u≥|u|pin (0,∞)×RN,∂tiu(0,x)=ui(x),i=0,1,⋯,k−1,in RN, where u=u(t,x), k≥2 is a natural number, ∂ti=∂i∂ti, N≥3, 2k(N−2+2k)≤λ<2N and p>1. Namely, we show that, if uk−1≥0, then for all p>1, there is no nontrivial weak solution. Our result improves a previous result obtained in El Hamidi and Laptev (2005) [5], where the nonexistence of nontrivial weak solution has been established only for a certain range of p.
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关键词
Higher order evolution inequalities,Hardy potential,Nontrivial weak solution,Nonexistence
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