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Showing 1 to 2 of 2 for “"discrete operators"”.
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Application of pressure-projection algorithms to a sharp projection immersed boundary method for the incompressible Navier-Stokes equations
… pressure-updating methods to staggered grids. Discrete operators in staggered grids simply do not commute in the same way that colocated grids do (as in the case of approximate projection methods). We then continue to develop suitably accurate projection approaches for the immersed boundary …
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Multilinear operators in harmonic analysis: Methods and applications
… Hilbert transform along two polynomials, discrete (integer) bilinear Hilbert transform along polynomials, finite field version of bilinear Radon transform, a hybrid of bilinear Hilbert transform and the paraproduct, etc. Our aim is to find operator norms of these operators: showing that …