Relative velocities for radial motion in expanding Robertson-Walker spacetimes Vicente J. BolósDavid Klein Research Article 25 February 2012 Pages: 1361 - 1391
Neutrino trapping in extremely compact objects described by the internal Schwarzschild-(anti-)de Sitter spacetimes Zdeněk StuchlíkJan HladíkGabriel Török Research Article 06 March 2012 Pages: 1393 - 1417
Regular models with quadratic equation of state S. D. MaharajP. Mafa Takisa Research Article 07 March 2012 Pages: 1419 - 1432
Classification of the FRW universe with a cosmological constant and a perfect fluid of the equation of state p = w ρ Te HaYongqing HuangAnzhong Wang Research Article 16 March 2012 Pages: 1433 - 1458
Bianchi V I I A solutions of effective quadratic gravity Juliano A. de DeusDaniel Müller Research Article 26 April 2012 Pages: 1459 - 1478
Cosmological expansion and local systems: a Lemaître–Tolman–Bondi model Ivana BochicchioValerio Faraoni Research Article 18 March 2012 Pages: 1479 - 1487
Geometrothermodynamics of five dimensional black holes in Einstein–Gauss–Bonnet theory Safia TajHernando QuevedoAlberto Sánchez Research Article 23 March 2012 Pages: 1489 - 1523
“Charged” particle’s tunneling from rotating black holes Tao Zhu Research Article 25 March 2012 Pages: 1525 - 1538
Coupling shape dynamics to matter gives spacetime Henrique GomesTim Koslowski Research Article 06 April 2012 Pages: 1539 - 1553
Could a real (not virtual) static observer exist outside a Schwarzschild black hole? Victor Berezin Research Article 07 April 2012 Pages: 1555 - 1561
The effect of a gravitational induction force on the stellar orbits in galaxies L. A. Cummings Research Article 19 April 2012 Pages: 1563 - 1580
Editorial note to: J. Ehlers, F. A. E. Pirani and A. Schild, The geometry of free fall and light propagation Andrzej Trautman Golden Oldie Editorial Open access 31 March 2012 Pages: 1581 - 1586
Republication of: The geometry of free fall and light propagation Jürgen EhlersFelix A. E. PiraniAlfred Schild Golden Oldie 14 April 2012 Pages: 1587 - 1609
Steven M. Christensen (ed.): Bryce DeWitt’s Lectures on Gravitation Norbert Dragon Book Review 07 April 2012 Pages: 1611 - 1613