Articles by Stéphane Laurent


June 16, 2022 | Stéphane Laurent

Here is a way to get a high-quality PNG image with R: save it as SVG first, then convert the SVG file to a PNG file, with the rsvg package. Let’s see. I construct a hyperbolic Delaunay trian... [Read more...]

The E8 root polytope

March 13, 2022 | Stéphane Laurent

The E8 root polytope, its vertices and its edges The E8 root polytope, also known as the \(4_{21}\) polytope is a 8-dimensional polytope. The Cartesian coordinates of its vertices ar... [Read more...]
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