The article discribe methods of verifing the conditions of access in computer systems based on Take-Grant protection model.

Weighted committee games generalize n-player simple voting games to m ≥ 3 alternatives. The committee’s aggregation rule treats votes anonymously but parties, shareholders, members of supranational organizations, etc. differ in their numbers of votes. Infinitely many vote distributions induce only finitely many distinct mappings from preference profiles to winners, i.e., non-equivalent committe...

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statement of problem: surface disinfection is an important aspect of infection control in dentistry. a new generation of quaternary ammonium components (qacs) is gaining popularity as high-level disinfectants. two types of qac sprays, uniseptaquick and solarsept, are being widely used by iranian dentists. purpose: the aim of this study was to evaluate the clinical efficiency of unisepta quick a...

We analyze data from the legislative bargaining experiments reported in Frechette, Kagel, and Lehrer (2003), Frechette, Kagel, and Morelli (2005a,b), and Drouvelis, Montero, and Sefton (2010) in order to investigate the extent to which the observed deviations from the theoretical predictions can be explained by imperfect best response, in combination with different assumptions about correct (QR...

In this interesting paper Professor Nikiforov reviewed the current state of quickest change detection/isolation problem. In our discussion of his paper we focus on the concerns and the opportunities of the subfield of quickest change detection, or more generally, sequential methodologies, in the modern

The Logit version of Quantal Response Equilibrium (QRE) predicts that equilibrium behavior in games will vary systematically with payoff magnitudes, if all other factors are held constant (including the Nash equilibria of the game). We explore this in the context of a set of asymmetric 2×2 games with unique totally mixed strategy equilibria. The data provide little support for the payoff magnit...

We consider a number of notice and take-down regimes for Internet content. These differ in the incentives for removal, the legal framework for compelling action, and the speed at which material is removed. By measuring how quickly various types of content are removed, we determine that the requester’s incentives outweigh all other factors, from the penalties available, to the methods used to ob...