1. Double gauge invariance and covariantly-constant vector fields in Weyl geometry

   • Vladimir V. Kassandrov
   • Joseph A. Rizcallah

   Research Article 30 July 2014 Article: 1772

2. Erratum to: Quantum modified Regge–Teitelboim cosmology

   • Rubén Cordero
   • Miguel Cruz
   • Efraín Rojas

   Erratum 19 July 2014 Article: 1770

3. Dark matter interacts with variable vacuum energy

   • Iván E. Sánchez G.

   Research Article 25 July 2014 Article: 1769

   

4. The \({\varvec{SL}}(2,\mathbb {R})\) totally constrained model: three quantization approaches

   • Rodolfo Gambini
   • Javier Olmedo

   Research Article 17 July 2014 Article: 1768

5. Summary of session C1: pulsar timing arrays

   • R. M. Shannon
   • S. Chamberlin
   • A. Vecchio

   Review Article 09 July 2014 Article: 1765

   

6. Education and public outreach on gravitational-wave astronomy

   • M. Hendry
   • C. Bradaschia
   • B. Whiting

   Research Article 19 July 2014 Article: 1764

   

7. Progress and challenges in advanced ground-based gravitational-wave detectors

   • M. Adier
   • F. Aguilar
   • J.-P. Zendri

   Research Article 23 July 2014 Article: 1749

   

8. A regularisation approach to causality theory for \(C^{1,1}\)-Lorentzian metrics

   • Michael Kunzinger
   • Roland Steinbauer
   • James A. Vickers

   Research Article 18 July 2014 Article: 1738