diff --git a/thesis/slides/slides.odp b/thesis/slides/slides.odp
new file mode 100644
index 0000000..b0d83c9
Binary files /dev/null and b/thesis/slides/slides.odp differ
diff --git a/thesis/slides/slides.pdf b/thesis/slides/slides.pdf
index 592a1b6..8387577 100644
Binary files a/thesis/slides/slides.pdf and b/thesis/slides/slides.pdf differ
diff --git a/thesis/slides/slides.pptx b/thesis/slides/slides.pptx
deleted file mode 100644
index 11933b2..0000000
Binary files a/thesis/slides/slides.pptx and /dev/null differ