This corrigenda corrects Theorem 2.9 and strengthens findings on extremals to Hardy-Sobolev inequalities.
The claim and the proof of Theorem 2.9 in Vassilev [Trans. Amer. Math. Soc. 363 (2011), no. 1, 37–62] are not correct as stated. We give a correction in Section 1.6. In addition, we correct several typos in the text and strengthen slightly some results of Vassilev [Trans. Amer. Math. Soc. 363 (2011), no. 1, 37–62].
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Dimiter Vassilev (2026) studied this question.
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