1. The Hadwiger Number of Jordan Regions Is Unbounded

   • Otfried Cheong
   • Mira Lee

   OriginalPaper 26 April 2007 Pages: 497 - 501

2. f-Vectors of Minkowski Additions of Convex Polytopes

   • Komei Fukuda
   • Christophe Weibel

   OriginalPaper 26 April 2007 Pages: 503 - 516

3. Realizations of the Associahedron and Cyclohedron

   • Christophe Hohlweg
   • Carsten E.M.C. Lange

   OriginalPaper Pages: 517 - 543

4. Finding a Guard that Sees Most and a Shop that Sells Most

   • Otfried Cheong
   • Alon Efrat
   • Sariel Har-Peled

   OriginalPaper Pages: 545 - 563

5. Open Caps and Cups in Planar Point Sets

   • Pavel Valtr

   OriginalPaper 26 April 2007 Pages: 565 - 576

6. Covering Polygonal Annuli by Strips

   • Stuart White
   • Laura Wisewell

   OriginalPaper Pages: 577 - 585

7. Staircase Connected Sets

   • Evelyn Magazanik
   • Micha A. Perles

   OriginalPaper 26 April 2007 Pages: 587 - 599

8. Stability and Computation of Topological Invariants of Solids in \({\Bbb R}^n\)

   • Frederic Chazal
   • Andre Lieutier

   OriginalPaper Pages: 601 - 617

9. Which n-Venn Diagrams Can Be Drawn with Convex k-Gons?

   • Jeremy Carroll
   • Frank Ruskey
   • Mark Weston

   OriginalPaper Pages: 619 - 628

10. The Genus of a Digital Image Boundary Is Determined by Its Foreground, Background, and Reeb Graphs

    • Lowell Abrams
    • Donniell E. Fishkind

    OriginalPaper Pages: 629 - 640

11. Graph Treewidth and Geometric Thickness Parameters

    • Vida Dujmovic
    • David R. Wood

    OriginalPaper Pages: 641 - 670

12. Acute Triangulations of Flat Mobius Strips

    • Liping Yuan
    • Tudor Zamfirescu

    OriginalPaper Pages: 671 - 676