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A surface of genus 3 (topologically the same as a 3-holed doughnut), tiled in warped coloured triangles.

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    Greg Egan (gregegansf@mathstodon.xyz)'s status on Saturday, 16-Mar-2024 08:12:37 JST Greg Egan Greg Egan

    Of course you can estimate π by dropping needles on the floor, but it’s much more fun to do it by integrating the Gaussian curvature across the surface of any 3-holed doughnut, then dividing the result by –8.

    In conversation about 8 months ago from mathstodon.xyz permalink
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GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.

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