1. Republication of: Contributions to Einstein’s theory of gravitation

   • Ludwig Flamm

   Golden Oldie 30 May 2015 Article: 72

   

2. Editorial note to: Ludwig Flamm, Contributions to Einstein’s theory of gravitation

   • Gary W. Gibbons

   Golden Oldie Editorial 30 May 2015 Article: 71

3. A note on spherically symmetric, static spacetimes in Kanno–Soda on-brane gravity

   • Sayan Kar
   • Sayantani Lahiri
   • Soumitra SenGupta

   Research Article 29 May 2015 Article: 70

   

4. A study of Universal thermodynamics in Lanczos–Lovelock gravity

   • Saugata Mitra
   • Subhajit Saha
   • Subenoy Chakraborty

   Research Article 26 May 2015 Article: 69

   

5. Bel–Robinson as stress-tensor gradients and their extensions to massive matter

   • S. Deser
   • J. Franklin

   Editor's Choice (Research Article) 21 May 2015 Article: 68

6. Generalized entropies and the expansion law of the universe

   • Fatemeh Lalehgani Dezaki
   • Behrouz Mirza

   Research Article 20 May 2015 Article: 67

   

7. Birkhoff theorem and conformal Killing–Yano tensors

   • Joan Josep Ferrando
   • Juan Antonio Sáez

   Research Article 19 May 2015 Article: 66

8. Interaction of a circularly polarised gravitational wave with a charged particle in a static magnetic background

   • Sunandan Gangopadhyay
   • Anirban Saha
   • Swarup Saha

   Research Article 14 May 2015 Article: 65

9. Effective Einstein cosmological spaces for non-minimal modified gravity

   • Emilio Elizalde
   • Sergiu I. Vacaru

   Research Article 13 May 2015 Article: 64