Hyperbolic trapped rays and global existence of quasilinear wave equations Jason MetcalfeChristopher D. Sogge OriginalPaper 21 July 2004 Pages: 75 - 117
A strongly aperiodic set of tiles in the hyperbolic plane Chaim Goodman-Strauss OriginalPaper 14 July 2004 Pages: 119 - 132
Bilinear eigenfunction estimates and the nonlinear Schrödinger equation on surfaces N. BurqP. GérardN. Tzvetkov OriginalPaper 21 July 2004 Pages: 187 - 223