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@phdthesis{Tielen2021PhD,

title = {P-multigrid methods for Isogeometric analysis},

keywords = {Isogeometric Analysis, p-multigrid, Multigrid Reduced in Time},

author = {R.P.W.M. Tielen},

year = {2021},

doi = {10.4233/uuid:8445e901-e31e-4602-8630-5b39a3de7ff6},

language = {English},

isbn = {978-94-6366-453-0},

school = {Delft University of Technology}

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author = {Tielen, Roel and Möller, Matthias and Vuik, Kees},

title = {A Direct Projection to Low-Order Level for p-Multigrid Methods in Isogeometric Analysis},

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booktitle = {Numerical Mathematics and Advanced Applications {ENUMATH} 2019},

year = {2021},

publisher = {Springer International Publishing},

address = {Cham},

pages = {1001--1009},

isbn = {978-3-030-55874-1}

}