6,839 research outputs found
Elitism Versus Populism: The Continuing Debate
Elitism vs. populism identifies dichotomous stances that are increasingly causing acrimony among those concerned with defining cultural and educational relations. Not surprisingly, the controversy is one of the sundry things touched on by the Rockefeller Commission Report the Humanities in American Life
The Way of the Gift
(Excerpt)
In his classic work on stewardship Helge Brattgard said that it is only as the Spirit of God, working through Word and Sacrament, leads [people] to be grateful for spiritual and material gifts received, and to see their responsibility for the administration of these gifts, that congregational life can result. 1 Unfortunately, after making this wonderful assertion, he like most other writers on stewardship remained surprisingly silent about how liturgical action a~d the broader life of the Christian shape one another
Rashba and intrinsic spin-orbit interactions in biased bilayer graphene
We investigate the effect that the intrinsic spin-orbit and the inter- and
intra-layer Rashba interactions have on the energy spectrum of either an
unbiased or a biased graphene bilayer. We find that under certain conditions, a
Dirac cone is formed out of a parabolic band and that it is possible to create
a "Mexican hat"-like energy dispersion in an unbiased bilayer. In addition, in
the presence of only an intralayer Rashba interaction, the K (K') point splits
into four distinct ones, contrarily to the case in single-layer graphene, where
the splitting also takes place, but the low-energy dispersion at these points
remains identical.Comment: 10 pages, 10 figure
Sinc-Galerkin estimation of diffusivity in parabolic problems
A fully Sinc-Galerkin method for the numerical recovery of spatially varying diffusion coefficients in linear partial differential equations is presented. Because the parameter recovery problems are inherently ill-posed, an output error criterion in conjunction with Tikhonov regularization is used to formulate them as infinite-dimensional minimization problems. The forward problems are discretized with a sinc basis in both the spatial and temporal domains thus yielding an approximate solution which displays an exponential convergence rate and is valid on the infinite time interval. The minimization problems are then solved via a quasi-Newton/trust region algorithm. The L-curve technique for determining an approximate value of the regularization parameter is briefly discussed, and numerical examples are given which show the applicability of the method both for problems with noise-free data as well as for those whose data contains white noise
Alien Registration- Smith, Ralph (Limestone, Aroostook County)
https://digitalmaine.com/alien_docs/35159/thumbnail.jp
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