Volume 74, No. 4 (1999)
Commentarii Mathematici Helvetici

pp. 507–529 Gradient flows within plane fieldsJ. EtnyreRobert Ghrist
pp. 530–547 Boundary slopes of knotsM. CullerP. B. Shalen
pp. 548–574 Preprojective algebras, differential operators and a Conze embedding for deformations of Kleinian singularitiesWilliam Crawley-Boevey
pp. 575–590 Simple singularities and topology of symplectically filling 4-manifoldH. OhtaKaoru Ono
pp. 591–614 A Lagrangian camelN. T. Zung
pp. 615–641 Mutation and gauge theory I: Yang-Mills invariantsDaniel Ruberman
pp. 642–656 On holomorphic forms on compact complex threefoldsLuis Paris
pp. 657–670 The finiteness obstruction for loop spacesD. Notbohm