From 8a0d16ff0d50aa7227cac6ad762b2c525646f497 Mon Sep 17 00:00:00 2001
From: Martin Kronbichler <kronbichler@lnm.mw.tum.de>
Date: Mon, 13 May 2019 15:25:21 +0200
Subject: [PATCH] Add three more references to multigrid and matrixfree

---
 9.1/paper.bib | 27 +++++++++++++++++++++++----
 9.1/paper.tex |  4 ++--
 2 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/9.1/paper.bib b/9.1/paper.bib
index 7802215..578f362 100644
--- a/9.1/paper.bib
+++ b/9.1/paper.bib
@@ -250,11 +250,23 @@ doi = "10.1515/jnma-2018-0054"
   volume =       63,
   pages =        {135--147}}
 
-@techreport{KronbichlerKormann2017,
+
+@Article{KronbichlerKormann2019,
   author =       {M. Kronbichler and K. Kormann},
   title =        {Fast matrix-free evaluation of discontinuous {G}alerkin finite element operators},
-  institution =  {arXiv:1711.03590},
-  year =         2017}
+  journal =      {ACM Trans. Math. Soft.},
+  volume =       {in press},
+  pages =        {1--37},
+  year =         2019}
+
+@Article{KronbichlerLjungkvist2019,
+  author =       {Kronbichler, M. and Ljungkvist, K.},
+  title =        {Multigrid for Matrix-Free High-Order Finite Element Computations on Graphics Processors},
+  journal =      {ACM Trans. Parallel Comput.},
+  volume =       {6},
+  number =       {1},
+  pages =        {2/1--32},
+  year =         2019}
 
 
 @techreport{DeSimoneHeltaiManigrasso2009,
@@ -577,7 +589,7 @@ year = {2009}
 	Month = {Dec},
 	Number = {1},
 	Pages = {7},
-	Title = {Convergence study of the h-adaptive PUM and the hp-adaptive FEM applied to eigenvalue problems in quantum mechanics},
+	Title = {Convergence study of the h-adaptive {PUM} and the hp-adaptive {FEM} applied to eigenvalue problems in quantum mechanics},
 	Volume = {4},
 	Year = {2017},
 }
@@ -728,6 +740,13 @@ year = {2009}
   publisher={Wiley Online Library}
 }
 
+@TechReport{ClevengerHeisterKanschatKronbichler2019,
+  author =       {Clevenger, T. C. and Heister, T. and Kanschat, G. and Kronbichler, M.},
+  title =        {A flexible, parallel, adaptive geometric multigrid method for {FEM}},
+  institution =  {arXiv:1904.03317},
+  year =         2019}
+
+
 @BOOK{lapack,
     AUTHOR = {Anderson, E. and Bai, Z. and Bischof, C. and
               Blackford, S. and Demmel, J. and Dongarra, J. and
diff --git a/9.1/paper.tex b/9.1/paper.tex
index 11b25c5..5644633 100644
--- a/9.1/paper.tex
+++ b/9.1/paper.tex
@@ -365,13 +365,13 @@ architecture is \cite{BangerthHartmannKanschat2007}. If you rely on
 specific features of the library, please consider citing any of the
 following:
 \begin{itemize}
- \item For geometric multigrid: \cite{Kanschat2004,JanssenKanschat2011};
+ \item For geometric multigrid: \cite{Kanschat2004,JanssenKanschat2011,ClevengerHeisterKanschatKronbichler2019,KronbichlerLjungkvist2019};
  \item For distributed parallel computing: \cite{BangerthBursteddeHeisterKronbichler11};
  \item For $hp$ adaptivity: \cite{BangerthKayserHerold2007};
   \item For partition-of-unity (PUM) and enrichment methods of the
     finite element space: \cite{Davydov2016};
  \item For matrix-free and fast assembly techniques:
-   \cite{KronbichlerKormann2012};
+   \cite{KronbichlerKormann2012,KronbichlerKormann2019};
  \item For computations on lower-dimensional manifolds:
    \cite{DeSimoneHeltaiManigrasso2009};
  \item For integration with CAD files and tools:
-- 
2.39.5