Algorithms for Optimizing over Analytic Functions J. William HeltonOrlando MerinoT. Walker Indiana University Mathematics Journal 1993 text pdf 10.1512/iumj.1993.42.42038 10.1512/iumj.1993.42.42038 en Indiana Univ. Math. J. 42 (1993) 839 - 874 state-of-the-art mathematics http://iumj.org/access/