Lemaitre-Tolman-Bondi cosmological models, smoothness, and positivity of the central deceleration parameter

R. Ali Vanderveld, Eanna E. Flanagan, Ira Wasserman

We argued in a previous paper [R. A. Vanderveld et al. 2006, arXiv:astro-ph/0602476] that negative deceleration parameters at the center of symmetry in Lemaitre-Tolman-Bondi cosmol…