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Given 1<p<N and two measurable functions V(r)≥0 and K(r)>0, r>0, we define the weighted spacesW={u∈D1,p(RN):∫RNV(|x|)|u|pdx<∞},LKq=Lq(RN,K(|x|)dx) and study the compact embeddings of the radial subspace of W into LKq1+LKq2, and thus into LKq(=LKq+LKq) as a particular case. We consider exponents q1, q2, q that can be greater or smaller than p. Our results do not require any compatibility...
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