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We show that in simple environments, a bidding ring operating at a firstprice sealed-bid auction cannot achieve any gains relative to non-cooperative bidding if the ring is unable to control the bids that its members submit at the auction. This contrasts with results for the case in which the ring can control its members’ bids or prevent all but one of the ring members from participating in the...
The licence of the first human papillomavirus vaccine (HPV) has important implications for the most appropriate age for a mandatory immunization. In this paper data taken from a recent study show that more than 10% of the Italian women report having already had a sexual intercourse by the age of 15. There is thus sufficient evidence to recommend administration of the HPV vaccine to all girls by...
The ALPHA apparatus is designed to produce and trap antihydrogen atoms. The device comprises a multifunction Penning trap and a superconducting, neutral atom trap having a minimum-B configuration. The atom trap features an octupole magnet for transverse confinement and solenoidal mirror coils for longitudinal confinement. The magnetic trap employs a fast shutdown system to maximize the probabil...
I n this issue of Diabetes Care, Chen et al. (1) describe an approach to the initial treatment of newly diagnosed type 2 diabetic patients with severe hyperglyce-mia (fasting plasma glucose [FPG] concentrations Ͼ300 mg/dl or random plasma glucose concentrations Ͼ400 mg/ dl) entailing intensive insulin therapy during 10 to 14 days of hospitalization. Following this, half of the patients were ran...
According to literature, a lot of research work on adaptive e-learning was carried out and, insofar, many systems in this application domain were developed in the last decades. One solution approach within the scope of adaptive educational hypermedia is the project AdeLE (Adaptive e-Learning with Eye-Tracking), started at the end of the year 2003 and with the scientific focus on combining adapt...
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