From 79778d98cc7c3613d118f75928f82a5025203c86 Mon Sep 17 00:00:00 2001 From: Wolfgang Bangerth Date: Wed, 24 May 2023 21:26:04 -0600 Subject: [PATCH] Fix grammar. --- 9.5/paper.tex | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/9.5/paper.tex b/9.5/paper.tex index 3c2ac76..7b83122 100644 --- a/9.5/paper.tex +++ b/9.5/paper.tex @@ -421,7 +421,7 @@ or disable cells, we have introduced the new class active cells and optionally interprets faces between active and deactivated cells as boundary faces. A use case is shown in~\cite{proell2023highly} in the context of powder-bed-fusion additive manufacturing. -\item The matrix-free infrastructure allows to interleave cell loops with vector updates +\item The matrix-free infrastructure allows interleaving cell loops with vector updates by providing \texttt{pre}/\texttt{post} functions that are run on index ranges. This feature is used, e.g., in \dealii to improve the performance of (preconditioned) conjugate gradient solvers~\cite{kronbichler2022cg} as well as of relaxation and Chebyshev iterations (see Subsection~\ref{sec:lac}). @@ -505,7 +505,7 @@ Traditionally, these were based on local-smoothing methods (described many years later in \cite{JanssenKanschat2011}, see also ~\cite{ClevengerHeisterKanschatKronbichler2019}), and more recently also global-coarsening algorithms~\cite{munch2022gc}. The global-coarsening -infrastructure, furthermore, allows to globally coarsen the polynomial degree ($p$-multigrid), +infrastructure, furthermore, allows globally coarsening the polynomial degree ($p$-multigrid), with specific applicability to $hp$-adaptive methods. In the current release, we have added support for the case that multigrid levels are given by non-nested meshes~\cite{adams2002evaluation, bittencourt2001nonnested, bramble1991analysis}. An example for such meshes is -- 2.39.5