1. Preface

   • Alexander Zimmermann

   Preface 23 August 2021 Pages: 151 - 151

2. Fitting Ideals in Number Theory and Arithmetic

   • Cornelius Greither

   Survey Article Open access 27 May 2021 Pages: 153 - 181

3. An Introduction to Finite Element Methods for Inverse Coefficient Problems in Elliptic PDEs

   • Bastian Harrach

   Survey Article Open access 06 May 2021 Pages: 183 - 210

   

4. Kazuhiro Fujiwara, Fumiharu Kato: “Foundations of Rigid Geometry I”

   • Torsten Wedhorn

   Book Review Open access 03 May 2021 Pages: 211 - 215

   

5. Correction to: Die Begriffe der Äquivalenz, der Gleichheit und der Identität

   • Ulrich Felgner

   Correction Open access 06 April 2021 Pages: 217 - 218