@Article{ATA-38-178, author = {Zhang , Shutao and Han , Yazhou}, title = {Rearrangement Free Method for Hardy-Littlewood-Sobolev Inequalities on $\mathbb{S}^n$}, journal = {Analysis in Theory and Applications}, year = {2022}, volume = {38}, number = {2}, pages = {178--203}, abstract = {

For conformal Hardy-Littlewood-Sobolev(HLS) inequalities [22] and reversed conformal HLS inequalities [8] on $\mathbb{S}^n,$ a new proof is given for the attainability of their sharp constants. Classical methods used in [22] and [8] depends on rearrangement inequalities. Here, we use the subcritical approach to construct the extremal sequence and circumvent the blow-up phenomenon by renormalization method. The merit of the method is that it does not rely on rearrangement inequalities.

}, issn = {1573-8175}, doi = {https://doi.org/10.4208/ata.OA-2021-0025}, url = {http://global-sci.org/intro/article_detail/ata/20798.html} }