@article{caforio:hal-01914257, TITLE = {{High-order discrete fourier transform for the solution of the Poisson equation}}, AUTHOR = {Caforio, Federica and Imperiale, S{\'e}bastien}, URL = {https://inria.hal.science/hal-01914257}, JOURNAL = {{SIAM Journal on Scientific Computing}}, PUBLISHER = {{Society for Industrial and Applied Mathematics}}, VOLUME = {41}, NUMBER = {5}, PAGES = {A2747-A2771}, YEAR = {2019}, MONTH = Jun, DOI = {10.1137/18M1225410}, KEYWORDS = {Poisson's equation ; Fast Fourier transform ; high-order finite elements}, PDF = {https://inria.hal.science/hal-01914257v2/file/HOFFT_vHal.pdf}, HAL_ID = {hal-01914257}, HAL_VERSION = {v2}, }