Almost periodic factorization and corona theorem Leiba RodmanIlya Spitkovsky 47A5642A75almost periodic functionsfactorizationcorona theorem Indiana University Mathematics Journal 1998 text pdf 10.1512/iumj.1998.47.1500 10.1512/iumj.1998.47.1500 en Indiana Univ. Math. J. 47 (1998) 1243 - 1256 state-of-the-art mathematics http://iumj.org/access/