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DCG
2008
132views more  DCG 2008»
15 years 6 months ago
Ehrhart Series and Lattice Triangulations
Abstract We express the generating function for lattice points in a rational polyhedral cone with a simplicial subdivision in terms of multivariate analogues of the h-polynomials o...
Sam Payne
APPML
2005
82views more  APPML 2005»
15 years 6 months ago
Existence of positive periodic solutions to nonlinear second order differential equations
In this paper, we discuss the existence of positive periodic solutions to the nonlinear differential equation u (t) + a(t)u(t) = f (t, u(t)), t R, where a : R [0, +) is an -peri...
Fuyi Li, Zhanping Liang
ADCM
2004
58views more  ADCM 2004»
15 years 6 months ago
Classification of Bivariate Configurations with Simple Lagrange Interpolation Formulae
In 1977 Chung and Yao introduced a geometric characterization in multivariate interpolation in order to identify distributions of points such that the Lagrange functions are produc...
Jesús M. Carnicer, Mariano Gasca
ICDE
2011
IEEE
240views Database» more  ICDE 2011»
14 years 10 months ago
Similarity measures for multidimensional data
— How similar are two data-cubes? In other words, the question under consideration is: given two sets of points in a multidimensional hierarchical space, what is the distance val...
Eftychia Baikousi, Georgios Rogkakos, Panos Vassil...
ICIP
1998
IEEE
16 years 8 months ago
Blind Estimation of PSF for Out of Focus Video Data
A method has beenproposed for blindly estimating the Point Spread Function (PSF) of video data. The PSF's of the images in a sequence are assumed to be of compact support and...
Hassan Shekarforoush, Rama Chellappa