摘要

In this paper, we consider second order semilinear elliptic systems of the form -Delta u = a(x)v(p) and -Delta v = b(x)u(q) in R-N for N >= 3, where p, q > 0 and a, b is an element of C(R-N). We prove a new Liouville-type theorem for the system under appropriate conditions on the nonlinearity.

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