1. Isomorphisms preserving invariants

   • Gerald W. Schwarz

   Original Paper 02 April 2009 Pages: 1 - 6

2. Knots and k-width

   • Joel Hass
   • J. Hyam Rubinstein
   • Abigail Thompson

   Original Paper Open access 23 April 2009 Pages: 7 - 18

3. Resolution of null fiber and conormal bundles on the Lagrangian Grassmannian

   • Kyo Nishiyama

   Original Paper 22 April 2009 Pages: 19 - 35

4. Isoperimetric regions in spherical cones and Yamabe constants of M × S ¹

   • Jimmy Petean

   Original Paper 16 April 2009 Pages: 37 - 48

5. Some finiteness results for groups with bounded algebraic entropy

   • Fabio Zuddas

   Original Paper 14 April 2009 Pages: 49 - 62

6. Asymptotic distribution of critical values

   • Tomohiro Fukaya
   • Masaki Tsukamoto

   Original Paper 14 April 2009 Pages: 63 - 67

7. On the structure of convex sets with symmetries

   • Gabor Toth

   Original Paper 18 April 2009 Pages: 69 - 80

8. Triangulation de Delaunay et Triangulation des Tores

   • Alain Grigis

   Original Paper 23 April 2009 Pages: 81 - 88

9. Extrinsic estimates for the eigenvalues of Schrödinger operator

   • Guangyue Huang
   • Xingxiao Li
   • Ruiwei Xu

   Original Paper 30 April 2009 Pages: 89 - 107

10. On the homotopy class of maps with finite p-energy into non-positively curved manifolds

    • Stefano Pigola
    • Giona Veronelli

    Original Paper 30 April 2009 Pages: 109 - 116

11. Commensurability of geometric subgroups of mapping class groups

    • Michal Stukow

    Original Paper 23 December 2009 Pages: 117 - 142

12. Infinite genus surfaces and irrational polygonal billiards

    • Ferrán Valdez

    Original Paper Open access 13 May 2009 Pages: 143 - 154

13. Compactifications of universal abelian threefolds with CM

    • Andrea Miller

    Original Paper 09 June 2009 Pages: 155 - 179

14. The minimal degree of plane models of algebraic curves and double coverings

    • Takeshi Harui
    • Takao Kato
    • Akira Ohbuchi

    Original Paper 03 June 2009 Pages: 181 - 192

15. A gap property for the growth of closed 3-manifold groups

    • Luca Fabrizio Di Cerbo

    BriefCommunication 04 July 2009 Pages: 193 - 199

16. Erratum to: On the Schlafli differential formula based on edge lengths of tetrahedron in H ³ and S ³

    • Atakan T. Yakut
    • Murat Savas
    • Serkan Kader

    Erratum 12 December 2009 Pages: 201 - 201