1. In memoriam Thomas Friedrich (1949–2018)

   • Ilka Agricola
   • Verena Bögelein
   • Frank Duzaar

   Obituary 05 November 2019 Pages: 613 - 630

   

2. Global regularity and solvability of left-invariant differential systems on compact Lie groups

   • Gabriel Araújo

   OriginalPaper 21 August 2019 Pages: 631 - 665

3. On branched minimal immersions of surfaces by first eigenfunctions

   • Donato Cianci
   • Mikhail Karpukhin
   • Vladimir Medvedev

   OriginalPaper 21 August 2019 Pages: 667 - 690