1. The Dehn invariants of the Bricard octahedra

   • Victor Alexandrov

   OriginalPaper 15 June 2011 Pages: 1 - 13

2. Translations in affine Klingenberg spaces

   • T. Bisztriczky
   • J. W. Lorimer

   OriginalPaper 23 June 2011 Pages: 15 - 42

3. On a problem of Croft on optimally nested regular polygons

   • S. J. Dilworth
   • S. R. Mane

   OriginalPaper 10 June 2011 Pages: 43 - 66

4. The defect in an invariant reflection structure

   • Helmut Karzel
   • Mario Marchi
   • Silvia Pianta

   OriginalPaper 17 November 2010 Pages: 67 - 87

5. Tangent segments and orthogonality types in normed planes

   • Horst Martini
   • Senlin Wu

   OriginalPaper 15 June 2011 Pages: 89 - 100

6. Fano subplanes in finite Figueroa planes

   • Bryan Petrak

   OriginalPaper 08 June 2011 Pages: 101 - 106

7. On operators associated with tensor fields

   • Arif Salimov

   OriginalPaper 14 December 2010 Pages: 107 - 145

8. Eine geometrische Kennzeichnung der reellen absoluten Ebenen

   • Eberhard M. Schröder

   OriginalPaper 15 June 2011 Pages: 147 - 165

9. Trivectors and cubics: PG(5, 2) aspects

   • Ron Shaw

   OriginalPaper 15 June 2011 Pages: 167 - 178

10. Erratum to: On operators associated with tensor fields

    • Arif Salimov

    Erratum 12 July 2011 Pages: 179 - 181