Oleg will talk about these two papers:
1. Ciolfi & Siegel (2014), "Short gamma-ray bursts in the “time-reversal” scenario", http://arxiv.org/abs/1411.2015;
2. Rezzolla & Kumar (2014), "A novel paradigm for short gamma-ray bursts ", http://arxiv.org/abs/1410.8560.
And Tanja will talk about this paper:
Multiple Images of a Highly Magnified Supernova Formed by an Early-Type Cluster Galaxy Lens, arXiv1411.6009