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pro vyhledávání: '"Leistra, Andrea"'
Some online advertising offers pay only when an ad elicits a response. Randomness and uncertainty about response rates make showing those ads a risky investment for online publishers. Like financial investors, publishers can use portfolio allocation
Externí odkaz:
http://arxiv.org/abs/1506.02013
Autor:
Leistra, Andrea
I present a near-infrared search for new embedded stellar clusters in the Galaxy, and the results of near-infrared followup observations of a subset of newly discovered stellar clusters. I discuss the initial mass function of these embedded clusters
Externí odkaz:
http://hdl.handle.net/10150/193801
Autor:
Mario Livio, Eva Villaver
This collection of papers from the Space Telescope Science Institute Symposium on massive stars addresses the many aspects of astrophysics in which these stars play an important role. Review papers are presented from both observational and theoretica