On Rearrangement and Weight Inequalities for the Fourier Transform W. JurkatG. Sampson Indiana University Mathematics Journal 1984 text pdf 10.1512/iumj.1984.33.33013 10.1512/iumj.1984.33.33013 en Indiana Univ. Math. J. 33 (1984) 257 - 270 state-of-the-art mathematics http://iumj.org/access/