Introduction to Shannon sampling and interpolation theory
Introduction to Shannon sampling and interpolation theory
Lagrange interpolation on Chebyshev points of two variables
Journal of Approximation Theory
Multidimensional Digital Signal Processing
Multidimensional Digital Signal Processing
Discrete Fourier Analysis, Cubature, and Interpolation on a Hexagon and a Triangle
SIAM Journal on Numerical Analysis
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A discrete Fourier analysis associated with translation lattices is developed recently by the authors. It permits two lattices, one determining the integral domain and the other determining the family of exponential functions. Possible choices of lattices are discussed in the case of lattices that tile ${{\mathbb R}}^2$ and several new results on cubature and interpolation by trigonometric, as well as algebraic, polynomials are obtained.