نتایج جستجو برای: bounded point evaluation
تعداد نتایج: 1372062 فیلتر نتایج به سال:
In this paper, the physical optics method is used to study the problem of electromagnetic scattering from Haack series nose cone. First, a meshing scheme is introduced which approximates the curvature of the surface by piecewise linear functions in both axial and rotational directions. This results in planar quadrilateral patches and enables efficient determination of the illuminated region and...
We consider the point process of signal strengths from transmitters in a wireless network observed from a fixed position under models with general signal path loss and random propagation effects. We show via coupling arguments that under general conditions this point process of signal strengths can be well-approximated by an inhomogeneous Poisson or a Cox point processes on the positive real li...
In 1994 Grünbaum showed that, given a point set S in R, it is always possible to construct a polyhedron whose vertices are exactly S. Such a polyhedron is called a polyhedronization of S. Agarwal et al. extended this work in 2008 by showing that there always exists a polyhedronization that can be decomposed into a union of tetrahedra (tetrahedralizable). In the same work they introduced the not...
We give the first fully compressed representation of a set of m points on an n×n grid, taking H+o(H) bits of space, where H = lg ( n m ) is the entropy of the set. This representation supports range counting, range reporting, and point selection queries, with a performance that is comparable to that of uncompressed structures and that improves upon the only previous compressed structure. Operat...
I review recent results by Fadin, Lipatov and collaborators and by our group, leading to the almost complete calculation of the next-to-leading BFKL kernel, of its eigenvalues, and of the resummed gluon anomalous dimension. Qualitative implications for small-x structure functions include consistent running coupling effects and a sizeable decrease of the Pomeron intercept, so as to slow down the...
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