A a common chronic illness among children and youth, affects one school-aged child in 11, or two to three students in a class of 30. Asthma accounts for 14 million lost school days each year. Students with asthma miss instruction while in the health room and may not be fully alert due to lack of sleep from night­ time asthma symptoms. Schools often lose funding for student absences. Schools are...

Almost twenty years ago, I heard Stephen Wolfram speak at a Gordon Conference about cellular automata (CA) and how they can be used to model seashell patterns. He had recently made a splash with a number of important papers applying CA to a variety of physical and biological systems. His early work on CA focused on a classification of the behavior of simple one-dimensional systems and he publis...

The Infostations wireless data network architecture features discontinuous coverage and ultra-high radio rates for burst transfers of information between base and mobile. It has been shown previously that the infostations architecture can greatly increase the capacity of wireless data systems at the expense of increased delivery delay. In this work we explicitly consider the multiple access iss...

BACKGROUND Wolfram syndrome (WS), caused by mutations of the Wolfram syndrome 1 (WFS1) gene on chromosome 4p16.1, is an autosomal recessive disorder characterized by diabetes insipidus (DI), neuro-psychiatric disorders, hearing deficit, and urinary tract anomalies. CASE PRESENTATION Here we report a 11-year-old Chinese boy who presented with visual loss, was suspected with optic neuritis (ON)...

The chasing method proposed by Gelfand and Lokutzievskii and implemented inMathematica package ”Numerical Solution of Linear Boundary Value Problems” is described. This package served as a base for a linear boundary value problem solver built in Mathematica 5.0 function NDSolve. Examples of the package usage are presented.

The classification of naturally graded quasi-filiform Lie algebras is known; they have the characteristic sequence (n − 2, 1, 1) where n is the dimension of the algebra. In the present paper we deal with naturally graded quasi-filiform non-Lie–Leibniz algebras which are described by the characteristic sequence C(L) = (n − 2, 1, 1) or C(L) = (n − 2, 2). The first case has been studied in [Camach...

We present the Mathematica package HypExp which allows to expand hypergeometric functions J FJ−1 around integer parameters to arbitrary order. At this, we apply two methods, the first one being based on an integral representation, the second one on the nested sums approach. The expansion works for both symbolic argument z and unit argument. We also implemented new classes of integrals that appe...

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Paul W. Bauer is an economist at the Federal Reserve Bank of Cleveland, Allen N. Berger is a senior economist at the Board of Governors of the Federal Reserve System, and David B. Humphrey is a professor of finance at Florida State University. The authors would like to thank Knox Love11 and James Thomson for helpful comments, and Alex Wolman and Fadi Alameddine for outstanding research assistance.