#### [ArXiv] 3rd week, Oct. 2007

Quite interesting papers were up at arXiv, including a theoretical statistics paper that no astronomer manages to miss. To find the paper and others, please click

- [astro-ph:0710.2371]

**Probing Non-Gaussianity In The Cosmic Microwave Background Anisotropies: One Point Distribution Function**by E. Jeong, and G. F. Smoot - [astro-ph:0710.2397]

**Initial-Final Mass Relationship for Stars of Different Metallicities**by X. Meng and Z. Chen - [astro-ph:0710.2436]

**Optical afterglows of gamma-ray bursts: a bimodal distribution?”**N. Marco, G. Gabriele, and G. Giancarlo. - [astro-ph:0710.2455]

**Superfluid turbulence and pulsar glitch statistics**by A. Melatos and C. Peralta - [astro-ph:0710.2664]

**Reconstructing Images from Projections Using the Maximum-Entropy Method. Numerical Simulations of Low-Aspect Astrotomography**by A. T. Bajkova - [astro-ph:0710.2783]

**Void Statistics and Void Galaxies in the 2dFGRS**by A. M. von Benda-Beckmann and V. Mueller - [astro-ph:0710.2872]
*summer school material*

**Geometrical constraints on dark energy models**by R. Lazkoz - [astro-ph:0710.2882]

**The IMF of the massive star-forming region NGC 3603 from NIR AO observations**by Y. Harayama, F. Eisenhauer, and F. Martins - [hep-ph:0710.1952]

**Global neutrino parameter estimation using Markov Chain Monte Carlo**by S. Hannestad - [astro-ph:0710.3099]*

**Short Gamma Ray Bursts: a bimodal origin?**by R. Salvaterra, A. Cerutti, G. Chincarini, M. Colpi, C. Guidorzi, P.Romano - [astro-ph:0710.2397]

**Clues to Globular Cluster Evolution from Multiwavelength Observations of Extragalactic Systems**by A. Kundu, T. J. Maccarone, and S. E. Zepf

(I’ve been keen on globular clusters, best archeological objects in the universe to understand galaxy formation and the history of the universe. They are like genomes of a galaxy.) - [stat.TH:0710.3478]

**Nonparametric estimation of a point-spread function in multivariate problems**by P. Hall and P. Qiu

[1]: Personally, point spread function (PSF) plays a major role in extracting astrophysical information from raw observations.

[2]: In addition to this week’s GRB paper, [astro-ph:0710.3099]*, there were some statistical studies about multi-modality in GRBs [see Three classes of GRBs].

I think that (astro)physics provides templates such as likelihoods for a statistical analysis. The statistical disputes between the bimodality and the trimodality of GRB distribution can be settled from 1. more studies like [astro-ph:0710.3099]* or 2. better statistical inference tools or model selections. Unfortunately, 2 requires templates, which are acquired from in-depth cross matching survey studies.

## Leave a comment