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This paper is concerned with multiplicity of positive nonradial solutions of a nonlinear eigenvalue problem on an expanding annulus domain with a fixed width in R-N with N greater than or equal to 4. For 0 < lambda < pi(2), we show that the number of nonrotationally equivalent nonradial solutions tends to infinity as the inner radius of the domain tends to infinity

Existence of many positive solutions of semilinear elliptic equations on an annulus