Proves optimal hp-convergence rates for HHO on Poisson and first rigorous p-multigrid analysis for HHO discretizations.
Optimal convergence estimates for the trace of the polynomial𝐿 2-projection oper- ator on a simplex
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Optimal $hp$-error estimates and $p$-multigrid convergence for Hybrid High-Order discretizations of the Poisson equation
Proves optimal hp-convergence rates for HHO on Poisson and first rigorous p-multigrid analysis for HHO discretizations.