3 papers
astro-ph2004
Does the Lunar Surface Still Offer Value As a Site for Astronomical Observatories?
Daniel F. Lester, Harold W. Yorke, John C. Mather
Current thinking about the Moon as a destination has revitalized interest in lunar astronomical observatories. Once seen by a large scientific community as a highly enabling site,…
astro-ph2002
Properties of the background of EPIC onboard XMM-Newton
H. Katayama, I. Takahashi, Y. Ikebe +3
Understanding a background is crucial in particular for a study of low surface brightness objects. In order to establish the background subtraction method, we have studied properti…
cond-mat1998
Crashes as Critical Points
Anders Johansen, Olivier Ledoit, Didier Sornette
We study a rational expectation model of bubbles and crashes. The model has two components : (1) our key assumption is that a crash may be caused by local self-reinforcing imitatio…