English

Near-extremizers of Young's inequality for discrete groups

Classical Analysis and ODEs 2011-12-19 v1

Abstract

Those functions which nearly extremize Young's convolution inequality are characterized for discrete groups which have no nontrivial finite subgroups. Near-extremizers of the Hausdorff-Young inequality are characterized for Z^d.

Keywords

Cite

@article{arxiv.1112.3716,
  title  = {Near-extremizers of Young's inequality for discrete groups},
  author = {Marcos Charalambides and Michael Christ},
  journal= {arXiv preprint arXiv:1112.3716},
  year   = {2011}
}