Vanishing of cohomology for $L$-convex domains Karen Pinney Mortensen Indiana University Mathematics Journal 1999 text pdf 10.1512/iumj.1999.48.1779 10.1512/iumj.1999.48.1779 en Indiana Univ. Math. J. 48 (1999) 557 - 566 state-of-the-art mathematics http://iumj.org/access/