On the weighted dirichlet eigenvalues of hardy operators involving critical gradient terms
COMMUNICATIONS ON PURE AND APPLIED ANALYSIS(2023)
摘要
The purpose of this paper is to show the existence of Dirichlet eigenvalues {lambda mu 1,mu 2,i}i and their lower bounds for the Dirichlet Hardy-Leray operator with a critical gradient term, i.e. -Delta u + mu 1|x|-2x center dot backward difference u + mu 2|x|-2u = lambda V u in S2, u = 0 on partial differential S2, under the one of the assumptions: (i) mu 2 - N-2 2 mu 1 > - (N-2)2 4 , S2 is a connected C2 domain containing the origin (may be unbounded) and V is a positive potential in C alpha loc(S2 over bar \{0})boolean AND Lqloc(S2) boolean AND LN2 (S2) with alpha is an element of (0,1) and q > N2 ; (ii) mu 2- N-2 2 mu 1 =- (N-2)2 4 , S2 is a connected C2 bounded domain containing the origin and V is a positive potential in C alpha loc( over bar S2 \ {0}) boolean AND Lqloc(S2) with alpha is an element of (0,1) and q > N2 . Our lower bounds of {lambda mu 1,mu 2,i}i is motivated by the Li-Yau's method for mu 1 = mu 2 = 0. When mu 2 - N-2 2 mu 1 > - (N-2)2 4 and by the Karachalios' method for mu 2 - N-2 2 mu 1 >= - (N-2)2 4 in a general domain which could be bounded or unbounded.
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关键词
Dirichlet eigenvalues,Hardy operator,Critical gradient term
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