We show in two dimensions that if , , p = 4/(2+η), a ≥ b ≥ 1̅ = (1,1), , then if η + α₁ + α₂ < 2, , j = 1,2. Our methods apply in all dimensions and also for more general kernels.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-sm172-2-1, author = {G. Sampson}, title = {$L^{p}$ type mapping estimates for oscillatory integrals in higher dimensions}, journal = {Studia Mathematica}, volume = {173}, year = {2006}, pages = {101-123}, zbl = {1098.42010}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm172-2-1} }
G. Sampson. $L^{p}$ type mapping estimates for oscillatory integrals in higher dimensions. Studia Mathematica, Tome 173 (2006) pp. 101-123. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm172-2-1/