324 citations · 636 across the 33 of their papers we have counts for
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math.NA2018
Accelerating the iterative solution of convection-diffusion problems using singular value decomposition
Giuseppe Pitton, Luca Heltai
The discretization of convection-diffusion equations by implicit or semi-implicit methods leads to a sequence of linear systems usually solved by iterative linear solvers such as G…
math.NA2018★ 4 cited
NURBS-SEM: a hybrid spectral element method on NURBS maps for the solution of elliptic PDEs on surfaces
Giuseppe Pitton, Luca Heltai
Non Uniform Rational B-spline (NURBS) patches are a standard way to describe complex geometries in Computer Aided Design tools, and have gained a lot of popularity in recent years…
astro-ph.CO2018★ 9 cited
Iterative map-making with two-level preconditioning for polarized Cosmic Microwave Background data sets
Giuseppe Puglisi, Davide Poletti, Giulio Fabbian +3
An estimation of the sky signal from streams of Time Ordered Data (TOD) acquired by Cosmic Microwave Background (\cmb) experiments is one of the most important steps in the context…