1. Observational constraints on FRW cosmologies with dark energy-dark matter interaction

   • H. Farajollahi
   • A. Salehi

   Research Article 09 April 2013 Pages: 1271 - 1283

   

2. On geometrically unified fields and universal constants

   • Luca Fabbri

   Research Article 05 April 2013 Pages: 1285 - 1296

3. Thermodynamics of a class of non-asymptotically flat black holes in Einstein–Maxwell–Dilaton theory

   • Manuel E. Rodrigues
   • Glauber Tadaiesky Marques

   Research Article 05 April 2013 Pages: 1297 - 1311

4. Classical and quantum Hořava–Lifshitz cosmology in a minisuperspace perspective

   • B. Vakili
   • V. Kord

   Research Article 01 April 2013 Pages: 1313 - 1331

   

5. The canonical Lagrangian approach to three-space general relativity

   • Vasudev Shyam
   • Madhavan Venkatesh

   Research Article 09 April 2013 Pages: 1333 - 1345

   

6. Modeling the quantum evolution of the universe through classical matter

   • João Paulo M. Pitelli
   • Patricio S. Letelier

   Research Article 19 April 2013 Pages: 1347 - 1364

   

7. The second order spin-2 system in flat space near space-like and null-infinity

   • Georgios Doulis
   • Jörg Frauendiener

   Research Article 16 April 2013 Pages: 1365 - 1385

   

8. Effects of modified Chaplygin gas on structure formation in the universe

   • Ya-Bo Wu
   • Yang-Yang Su
   • Liang-Liang Lin

   Research Article 21 April 2013 Pages: 1387 - 1402

   

9. An interior solution for Curzon spacetime

   • W. B. Bonnor

   Research Article 28 April 2013 Pages: 1403 - 1410

10. A Generalization of the Goldberg–Sachs theorem and its consequences

    • Carlos Batista

    Research Article 25 April 2013 Pages: 1411 - 1431

11. An approximate global solution of Einstein’s equation for a rotating compact source with linear equation of state

    • J. E. Cuchí
    • A. Gil-Rivero
    • E. Ruiz

    Research Article 04 April 2013 Pages: 1433 - 1456

12. Erratum to: An approximate global solution of Einstein’s equation for a rotating compact source with linear equation of state

    • J. E. Cuchí
    • A. Gil-Rivero
    • E. Ruiz

    Erratum 25 April 2013 Pages: 1457 - 1457

13. Laurent Nottale: Scale relativity and fractal space-time

    • Patrick Peter

    Book Review 23 April 2013 Pages: 1459 - 1461

14. M. Blagojević and F. W. Hehl (Eds.): Gauge theories of gravitation: a reader with commentaries

    • Lewis Ryder

    Book Review 24 April 2013 Pages: 1463 - 1465