1. New horoball packing density lower bound in hyperbolic 5-space

   • Robert Thijs Kozma
   • Jenő Szirmai

   Original Paper 20 July 2019 Pages: 1 - 25

   

2. Cusp shapes of Hilbert–Blumenthal surfaces

   • Joseph Quinn
   • Alberto Verjovsky

   Original Paper 29 July 2019 Pages: 27 - 42

   

3. A surface with discontinuous isoperimetric profile and expander manifolds

   • Panos Papasoglu
   • Eric Swenson

   Original Paper Open access 03 August 2019 Pages: 43 - 54

   

4. Construction of Milnorian representations

   • Ilia Smilga

   Original Paper 30 August 2019 Pages: 55 - 73

5. A note on invariant constant curvature immersions in Minkowski space

   • François Fillastre
   • Graham Smith

   Original Paper 28 August 2019 Pages: 75 - 82

6. Finite rigid sets in curve complexes of nonorientable surfaces

   • Sabahattin Ilbira
   • Mustafa Korkmaz

   Original Paper 29 August 2019 Pages: 83 - 103

   

7. Cohomogeneity one actions on the three-dimensional Einstein universe

   • M. Hassani
   • P. Ahmadi

   Original Paper 01 September 2019 Pages: 105 - 150

   

8. Ideal polyhedral surfaces in Fuchsian manifolds

   • Roman Prosanov

   Original Paper Open access 07 September 2019 Pages: 151 - 179

   

9. Collapsibility of CAT(0) spaces

   • Karim Adiprasito
   • Bruno Benedetti

   Original Paper 10 September 2019 Pages: 181 - 199

   

10. Finding simple curves in surface covers is undecidable

    • Ingrid Irmer

    Original Paper 17 September 2019 Pages: 201 - 210