نتایج جستجو برای: cameron
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Al Cameron, who died recently (October 3, 2005) at 80, was one of the giants in astrophysics. His insights were profound and his interests were wide-ranging. Originally trained as a nuclear physicist, he made major contributions in a number of fields, including nuclear reactions in stars, nucleosynthesis, the abundances of the elements in the Solar System, and the origin of the Solar System and...
The Cameron-Martin theorem, which has figured prominently in the developments of the last several lectures, is the most important special case of the far more general Girsanov theorem, which is our next topic of discussion. Like the Cameron-Martin theorem, the Girsanov theorem relates the Wiener measure P to different probability measures Q on the space of continuous paths by giving an explicit...
BACKGROUND Cameron lesions are linear gastric erosions on the mucosal folds at the diaphragmatic impressions found in patients with large hiatal hernias. While usually asymptomatic, hiatal hernias can result in serious sequelae, as this case report will clearly illustrate. Cameron lesions are clinically significant because of their ability to cause significant acute, chronic, or obscure gastroi...
In this paper we prove that a Cameron-Liebler line class L in PG(3, q) with parameter x has the property that ( x 2 ) +n(n−x) ≡ 0 mod q+1 for the number n of lines of L in any plane of PG(3, q). It follows that the modular equation ( x 2 ) + n(n − x) ≡ 0 mod q + 1 has an integer solution in n. This result rules out roughly at least one half of all possible parameters x. As an application of our...
INTRODUCTION The US-Mexico border region has a growing population and limited health care infrastructure. Preventive health behaviors such as breastfeeding ease the burden on this region's health care system by reducing morbidity and health care costs. We examined correlates of attempted breastfeeding before hospital discharge on each side of the US-Mexico border and within the border region. ...
In this paper, we describe a new infinite family of q −1 2 -tight sets in the hyperbolic quadrics Q(5, q), for q ≡ 5 or 9 mod 12. Under the Klein correspondence, these correspond to Cameron–Liebler line classes of PG(3, q) having parameter q −1 2 . This is the second known infinite family of nontrivial Cameron–Liebler line classes, the first family having been described by Bruen and Drudge with...
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