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On the elliptic equation \(D_ i[a_{ij}(x)D_ jU]-k(x)U+K(x)U^ p=0\). (English) Zbl 0584.35031
The author studies entire, positive solutions of the equation \[ (1)\quad D_ i[a_{ij}(x)D_ jU]-k(x)U+K(x)U^ p=0\quad in\quad {\mathbb{R}}^ n, \] where \(n\geq 3\), \(p>1\) and the functions \(a_{ij}=a_{ji}\) for \(i,j=1,2,...,n\) are measurable and satisfy the uniform ellipticity condition. Under some conditions, the author obtains existence and nonexistence results of (1). Moreover, the author also treats a limiting case when K(x) is negative and has quadratic decay at infinity.
Reviewer: Chuanfang Wang

MSC:
35J15 Second-order elliptic equations
35B05 Oscillation, zeros of solutions, mean value theorems, etc. in context of PDEs
35J60 Nonlinear elliptic equations
35B40 Asymptotic behavior of solutions to PDEs
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