nydipa -- 1/1/2007

G315.1+2.7: a new Galactic SNR from the AAO/UKST HAlpha survey

• Authors: M.Stupar, Q. A. Parker, M. D. Filipovic

Additional bounds on the pre Big--Bang--Nucleosynthesis Expansion by means of $\gamma$-rays from the Galactic Center

• Authors: F. Donato, N. Fornengo, M. Schelke

On sigma model RG flow, "central charge" action and Perelman's entropy

• Authors: A.A. Tseytlin