diff --git a/slides/jhjourdan-00.pdf b/slides/jhjourdan-00.pdf index 64b0ac01ec709bee4d03e74e28c981541e48c3cc..5b7f202e73349efd4c66d85812f965c7212ec228 100644 Binary files a/slides/jhjourdan-00.pdf and b/slides/jhjourdan-00.pdf differ diff --git a/slides/jhjourdan-01.pdf b/slides/jhjourdan-01.pdf deleted file mode 100644 index 51a8e645cd033773fd652359518b6da6547fc3db..0000000000000000000000000000000000000000 Binary files a/slides/jhjourdan-01.pdf and /dev/null differ diff --git a/slides/jhjourdan-02.pdf b/slides/jhjourdan-02.pdf deleted file mode 100644 index 4fd042274222e08d76dfb1e643c087c3e52afebe..0000000000000000000000000000000000000000 Binary files a/slides/jhjourdan-02.pdf and /dev/null differ diff --git a/slides/jhjourdan-03.pdf b/slides/jhjourdan-03.pdf deleted file mode 100644 index bd6770c467d7ceb9c451ac91680589a91b0ee0a4..0000000000000000000000000000000000000000 Binary files a/slides/jhjourdan-03.pdf and /dev/null differ diff --git a/slides/jhjourdan-04.pdf b/slides/jhjourdan-04.pdf deleted file mode 100644 index 408caa0c7d64f6202944d7899bcff32ac1690aab..0000000000000000000000000000000000000000 Binary files a/slides/jhjourdan-04.pdf and /dev/null differ