1. Republication of: On the transition from wave optics to geometric optics in general relativity

   • Jürgen Ehlers

   Golden Oldie 20 April 2022 Article: 40

   

2. Editorial note to: On the transition from wave optics to geometric optics in general relativity by Jürgen Ehlers

   • Volker Perlick

   Golden Oldie Editorial Open access 20 April 2022 Article: 39

3. Thermodynamics of multi-horizon spacetimes

   • Chiranjeeb Singha

   Research Article 19 April 2022 Article: 38

4. A comprehensive study of modulation effects on CMB polarization

   • Rahul Kothari

   Research Article 17 April 2022 Article: 37

   

5. Editorial note to: Existence theorem for the Einsteinian gravitational field equations in the non-analytic case, by Yvonne Fourès-Bruhat

   • Demetrios Christodoulou
   • Richard Kerner

   Golden Oldie Editorial 12 April 2022 Article: 36

6. Republication of: Existence theorem for the Einsteinian gravitational field equations in the non-analytic case

   • Yvonne Fourès-Bruhat

   Golden Oldie 12 April 2022 Article: 35

7. Solutions for the null-surface formulation in \(2+1\) dimensions leading to spacetimes of Petrov types I, II, and D

   • Tina A. Harriott
   • J. G. Williams

   Research Article 10 April 2022 Article: 34

8. A family of horizon-penetrating coordinate systems for the Schwarzschild black hole geometry with Cauchy temporal functions

   • Christian Röken

   Research Article Open access 10 April 2022 Article: 33

   

9. Influence of the Schwinger effect on radiatively corrected Higgs inflationary magnetogenesis

   • Mehran Kamarpour

   Research Article 08 April 2022 Article: 32

   

10. Quasi-local instantaneous charges asymptotics at spatial infinity

    • Jacek Jezierski
    • Tomasz Smołka

    Research Article 30 March 2022 Article: 31

11. Power spectrum for perturbations in an inflationary model for a closed universe

    • Claus Kiefer
    • Tatevik Vardanyan

    Research Article Open access 28 March 2022 Article: 30