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Discrete Sobolev and Trudinger inequalities on polyhedral meshes
Abstract
We revisit the derivation of discrete Sobolev and related inequalities on bounded domains for piecewise constant functions on polyhedral meshes. Our results improve the dependence of the Sobolev constant on the Lebesgue exponents and allow us to recover the asymptotics of the continuous case. As a consequence we derive a discrete version of the Trudinger inequality and variants. We extend our results to broken Sobolev spaces and discuss implications of these new or refined discrete functional inequalities in the numerical analysis of non-conforming numerical methods.
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BibTeX
@misc{herda2026discrete,
title = {{Discrete Sobolev and Trudinger inequalities on polyhedral meshes}},
author = {Maxime Herda and Ariane Trescases and Antoine Zurek},
howpublished = {arXiv},
year = {2026},
month = sep,
doi = {10.48550/arxiv.2609.28152},
eprint = {2609.28152},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2609.28152},
}
RIS
TY - UNPB
TI - Discrete Sobolev and Trudinger inequalities on polyhedral meshes
AU - Maxime Herda
AU - Ariane Trescases
AU - Antoine Zurek
PY - 2026
DA - 2026/09/23
PB - arXiv
DO - 10.48550/arxiv.2609.28152
UR - https://arxiv.org/abs/2609.28152
AB - We revisit the derivation of discrete Sobolev and related inequalities on bounded domains for piecewise constant functions on polyhedral meshes. Our results improve the dependence of the Sobolev constant on the Lebesgue exponents and allow us to recover the asymptotics of the continuous case. As a consequence we derive a discrete version of the Trudinger inequality and variants. We extend our results to broken Sobolev spaces and discuss implications of these new or refined discrete functional inequalities in the numerical analysis of non-conforming numerical methods.
ER -