1. Non-arithmetic hybrid lattices in \({\text {PU}}(2,1)\)

   • Joseph Wells

   Original Paper 23 December 2019 Pages: 1 - 11

   

2. Unimodal value distribution of Laplace eigenfunctions and a monotonicity formula

   • Bo’az Klartag

   Original Paper 23 December 2019 Pages: 13 - 29

3. Counting the number of trigonal curves of genus 5 over finite fields

   • Thomas Wennink

   Original Paper Open access 09 January 2020 Pages: 31 - 48

4. Algorithm for filling curves on surfaces

   • Monika Kudlinska

   Original Paper Open access 10 January 2020 Pages: 49 - 59

   

5. \({{\,\mathrm{{\mathfrak {L}}}\,}}\)-prolongations of graded Lie algebras

   • Stefano Marini
   • Costantino Medori
   • Mauro Nacinovich

   Original Paper 10 January 2020 Pages: 61 - 88

   

6. Several injectivity theorems on compact Kähler manifolds

   • Chunle Huang

   Original Paper 11 January 2020 Pages: 89 - 95

7. A note on nodal determinantal hypersurfaces

   • Sz-Sheng Wang

   Original Paper 07 February 2020 Pages: 97 - 111

   

8. On the horofunction boundary of discrete Heisenberg group

   • Uri Bader
   • Vladimir Finkelshtein

   Original Paper Open access 29 January 2020 Pages: 113 - 127

   

9. Harmonic maps between ideal 2-dimensional simplicial complexes

   • Brian Freidin
   • Victòria Gras Andreu

   Original Paper 12 February 2020 Pages: 129 - 155

   

10. Canonical projection tilings defined by patterns

    • Nicolas Bédaride
    • Thomas Fernique

    Original Paper 10 February 2020 Pages: 157 - 175

    

11. A trichotomy for rectangles inscribed in Jordan loops

    • Richard Evan Schwartz

    Original Paper 22 February 2020 Pages: 177 - 196

    

12. Geometry of the Wiman–Edge pencil and the Wiman curve

    • Benson Farb
    • Eduard Looijenga

    Original Paper 11 March 2020 Pages: 197 - 220