1. Guest Editors’ Foreword

   • Nina Amenta
   • Otfried Cheong

   OriginalPaper 13 February 2009 Pages: 363 - 364

2. On the Maximum Number of Edges in Topological Graphs with no Four Pairwise Crossing Edges

   • Eyal Ackerman

   OriginalPaper 13 February 2009 Pages: 365 - 375

3. Degenerate Crossing Numbers

   • János Pach
   • Géza Tóth

   OriginalPaper 14 February 2009 Pages: 376 - 384

4. On Overlays and Minimization Diagrams

   • Vladlen Koltun
   • Micha Sharir

   OriginalPaper 21 February 2009 Pages: 385 - 397

5. The Effect of Corners on the Complexity of Approximate Range Searching

   • Sunil Arya
   • Theocharis Malamatos
   • David M. Mount

   OriginalPaper 20 February 2009 Pages: 398 - 443

6. Refolding Planar Polygons

   • Hayley N. Iben
   • James F. O’Brien
   • Erik D. Demaine

   OriginalPaper Open access 26 February 2009 Pages: 444 - 460

7. A Sampling Theory for Compact Sets in Euclidean Space

   • Frédéric Chazal
   • David Cohen-Steiner
   • André Lieutier

   OriginalPaper 19 February 2009 Pages: 461 - 479