منابع مشابه
Fair Games against an All-Powerful Adversary
Suppose that a weak (polynomial time) device needs to interact over a clear channel with a strong (in nitely-powerful) and untrustworthy adversarial device. Assuming the existence of one-way functions, during this interaction (game) the in nitelypowerful device can encrypt and (computationally) hide information from the weak device. However, to keep the game fair, the weak player must hide info...
متن کاملAre doctors risk takers?
OBJECTIVE Risk taking affects human behavior in general and decisions in medicine in particular. We used game theory to assess physicians' risk-taking tendencies. METHODS Physicians were recruited to the study by advertisement. It was explained that they would receive a sum of money for correct prediction of the flipping of a coin. They could try to sell their opportunity to flip the coin for...
متن کاملAre doctors created equal ?
There is broad consensus among policy makers and consumer groups that greater transparency in healthcare will improve the quality and costs of care delivered. In recent years several government-led transparency initiatives have focused on healthcare institutes like hospitals (Jha et al. 2005, Harris and Buntin 2008). Up to now patients still have very little means of discerning the quality of p...
متن کاملFinite groups all of whose proper centralizers are cyclic
A finite group $G$ is called a $CC$-group ($Gin CC$) if the centralizer of each noncentral element of $G$ is cyclic. In this article we determine all finite $CC$-groups.
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ژورنال
عنوان ژورنال: Canadian Medical Association Journal
سال: 2012
ISSN: 0820-3946,1488-2329
DOI: 10.1503/cmaj.118-2079